Search Results

1.  Alberi, K.; Crooker, S. A.; Fluegel, B.; Beaton, D. A.; Ptak, A. J.; Mascarenhas, A. (2013). Magnetic-Field-Induced Delocalized to Localized Transformation in GaAs:N. Article No. 156405. Physical Review Letters. Vol. 110(15), 12 April 2013; 5 pp.; NREL Report No. JA-5900-58291. http://dx.doi.org/10.1103/PhysRevLett.110.156405

2.  Mialitsin, A.; Fluegel, B.; Ptak, A.; Mascarenhas, A. (2012). Mechanism of Asymmetric Lineshape Broadening in GaAs1-xNx Raman Spectra. Article No. 045209. Physical Review. B, Condensed Matter and Materials Physics. Vol. 86(4), 15 July 2012; 7 pp.; NREL Report No. JA-5900-56360. http://dx.doi.org/10.1103/PhysRevB.86.045209

3.  Ptak, A. J.; France, R.; Beaton, D. A.; Alberi, K.; Simon, J.; Mascarenhas, A.; Jiang, C. S. (2012). Kinetically Limited Growth of GaAsBi by Molecular-Beam Epitaxy. Journal of Crystal Growth. Vol. 338(1), 1 January 2012; pp. 107-110; NREL Report No. JA-5200-53461. http://dx.doi.org/10.1016/j.jcrysgro.2011.10.040

4.  Ptak, A. J.; Beaton, D. A.; Mascarenhas, A. (2012). Growth of BGaAs by Molecular-Beam Epitaxy and the Effects of a Bismuth Surfactant. Journal of Crystal Growth. Vol. 351(1), 15 July 2012; pp. 122-125; NREL Report No. JA-5900-55112. http://dx.doi.org/10.1016/j.jcrysgro.2012.04.026

5.  Fluegel, B.; Alberi, K.; Beaton, D. A.; Crooker, S. A.; Ptak, A. J.; Mascarenhas, A. (2012). Evolution of Superclusters and Delocalized States in GaAs1-xNx. Article No. 205203. Physical Review. B, Condensed Matter and Materials Physics. Vol. 86(20), 15 November 2012; 6 pp.; NREL Report No. JA-5900-56970. http://dx.doi.org/10.1103/PhysRevB.86.205203

6.  Mialitsin, A.; Schmult, S.; Solov'yov, I. A.; Fluegel, B.; Mascarenhas, A. (2012). Eigenstate Localization in an Asymmetric Coupled Quantum Well Pair. Superlattices and Microstructures. Vol. 51(6), June 2012; pp. 834-841; NREL Report No. JA-5900-53308. http://dx.doi.org/10.1016/j.spmi.2012.03.019

7.  Alberi, K.; Fluegel, B.; Beaton, D. A.; Ptak, A. J.; Mascarenhas, A. (2012). Localization-Delocalization Transition of Electrons at the Percolation Threshold of Semiconductor GaAs1-xNx Alloys: The Appearance of a Mobility Edge. Article No. 041201(R). Physical Review. B, Condensed Matter and Materials Physics. Vol. 86(4), 15 July 2012; 4 pp.; NREL Report No. JA-5900-55732. http://dx.doi.org/10.1103/PhysRevB.86.041201

8.  Deaton, D. A.; Ptak, A. J.; Alberi, K.; Mascarenhas, A. (2012). Quaternary Bismide Alloy ByGa1-yAs1-xBix Lattice Matched to GaAs. Journal of Crystal Growth. Vol. 351(1), 15 July 2012; pp. 37-40; NREL Report No. JA-5900-54048. http://dx.doi.org/10.1016/j.jcrysgro.2012.04.028

9.  Wanlass, M. W.; Mascarenhas, A. (2012). Monolithic, Multi-Bandgap, Tandem, Ultra-Thin, Strain-Counterbalanced, Photovoltaic Energy Converters with Optimal Subcell Bandgaps. U.S. Patent No. 8,173,891. 21 pp.; NREL Report No. PT-5200-55322.

10.  Rosenberg, R. A.; Zohar, S.; Keavney, D.; Divan, R.; Rosenmann, D.; Mascarenhas, A.; Steiner, M. A. (2012). Elemental and Magnetic Sensitive Imaging Using X-Ray Excited Luminescence Microscopy. Article No. 073701. Review of Scientific Instruments. Vol. 83(7), July 2012; 6 pp.; NREL Report No. JA-5900-55399. http://dx.doi.org/10.1063/1.4730335

11.  Fluegel, B.; Alberi, K.; Bhusal, L.; Mascarenhas, A.; Snoke, D. W.; Karunasiri, G.; Pfeiffer, L. N.; West, K. (2011). Exciton Pattern Generation in GaAs/Al/x/Ga/1-x/As Multiple Quantum Wells. Article No. 195320. Physical Review. B, Condensed Matter and Materials Physics. Vol. 83(19), 15 May 2011; 6 pp.; NREL Report No. JA-5900-50361. http://dx.doi.org/10.1103/PhysRevB.83.195320

12.  Fluegel, B.; Kini, R. N.; Ptak, A. J.; Beaton, D.; Alberi, K.; Mascarenhas, A. (2011). Shubnikov-de Haas Measurement of Electron Effective Mass in GaAs1-xBix. Article No. 162108. Applied Physics Letters. Vol. 99(16), 17 October 2011; 4 pp.; NREL Report No. JA-5900-52605. http://dx.doi.org/10.1063/1.3655198

13.  Kini, R. N.; Ptak, A. J.; Fluegel, B.; France, R.; Reedy, R. C.; Mascarenhas, A. (2011). Effect of Bi Alloying on the Hole Transport in the Dilute Bismide Alloy GaAs1-xBix. Article No. 075307. Physical Review. B, Condensed Matter and Materials Physics. 6 pp.; NREL Report No. JA-5900-50490. http://dx.doi.org/10.1103/PhysRevB.83.075307

14.  Bhusal, L.; Mascarenhas, A. (2011). Chapter 9: Solid-State Lighting. Bergman, L. and McHale, J. L., eds. Handbook of Luminescent Semiconductor Materials. Boca Raton, FL: CRC Press pp. 255-277; NREL Report No. CH-5900-53549.

15.  Alberi, K.; Fluegel, B.; Steiner, M. A.; France, R.; Olavarria, W.; Mascarenhas, A. (2011). Direct-Indirect Crossover in GaxIn1-xP Alloys. Article No. 113701. Journal of Applied Physics. Vol. 110(11), 1 December 2011; 5 pp.; NREL Report No. JA-5900-52313. http://dx.doi.org/10.1063/1.3663439

16.  Dhere, R. G.; Duenow, J. N.; DeHart, C. M.; Li, J. V.; Kuciauskas, D.; Young, M. R.; Alberi, K.; Mascarenhas, A.; Gessert, T. A. (2011). Analysis of the Junction Properties of CdS/CdTe Devices in Substrate and Superstrate Configurations. 26th European Photovoltaic Solar Energy Conference: Proceedings of the International Conference, 5-9 September 2011, Hamburg, Germany. Munich, Germany: WIP-Renewable Energies pp. 2456-2459; NREL Report No. CP-5200-52706. http://dx.doi.org/10.4229/26thEUPVSEC2011-3DO.9.2

17.  Wang, K.; Chen, J. J.; Zeng, M.; Tarr, J.; Zhou, W. L.; Zhang, Y.; Yan, Y. F.; Jiang, C. S.; Yan, F.; Pern, J.; Mascarenhas, A. (2010). Synthesis and Photovoltaic Effect of Vertically Aligned ZnO/ZnS Core/Shell Nanowire Arrays. Article No. 123105. Applied Physics Letters. Vol. 96(12), 2010; 3 pp.; NREL Report No. JA-520-48233. http://dx.doi.org/10.1063/1.3367706

18.  Bhusal, L.; Ptak, A. J.; France, R.; Mascarenhas, A. (2009). Contactless Electroreflectance Studies of Ultra-Dilute GaAs1-xBix Alloys. Article No. 035018. Semiconductor Science and Technology. Vol. 24(3), 2009; 4 pp.; NREL Report No. JA-590-44600. http://dx.doi.org/10.1088/0268-1242/24/3/035018

19.  Bhusal, L.; Fluegel, B.; Steiner, M. A.; Mascarenhas, A. J. (2009). Ordering Induced Direct-Indirect Transformation in Unstrained GaxIn1−xP for 0.76<=x<=0.78. Journal of Applied Physics. Vol. 106(11), December 1, 2009; 3 pp.; NREL Report No. JA-590-46658. http://dx.doi.org/10.1063/1.3266175

20.  Steiner, M. A.; Bhusal, L.; Geisz, J. F.; Norman, A. G.; Romero, M. J.; Olavarria, W. J.; Zhang, Y.; Mascarenhas, A. (2009). CuPt Ordering in High Bandgap GaxIn1-xP Alloys on Relaxed GaAsP Step Grades. Article No. 063525. Journal of Applied Physics. Vol. 106(6), 2009; 5 pp.; NREL Report No. JA-520-46783. http://dx.doi.org/10.1063/1.3213376

21.  Dhere, R.; Fluegel, B.; Mascarenhas, A.; Duenow, J.; Gessert, T. (2009). Investigation of Effects of Processing and Impurities on the Properties of CdTe Using Microscopic Two-Dimensional Photoluminescence Imaging Technique. [Proceedings] 34th IEEE Photovoltaic Specialists Conference (PVSC '09), 7-12 June 2009, Philadelphia, Pennsylvania. Piscataway, NJ: Institute of Electrical and Electronics Engineers, Inc. (IEEE) pp. 001443-001447; NREL Report No. CP-520-46062. http://dx.doi.org/10.1109/PVSC.2009.5411317

22.  Steiner, M. A.; Bhusal, L.; Geisz, J. F.; Norman, A. G.; Romero, M. J.; Olavarria, W. J.; Zhang, Y.; Mascarenhas, A. (2009). CuPt-Ordering in High Bandgap GaxIn1-xP Alloys on Relaxed GaAsP Step Grades. Article No. 063525. Journal of Applied Physics. Vol. 106(6), 2009; 5 pp.; NREL Report No. JA-520-46296. http://dx.doi.org/10.1063/1.3213376

23.  Mascarenhas, A.; Kini, R.; Zhang, Y.; France, R.; Ptak, A. (2009). Comparison of the Dilute Bismide and Nitride Alloys GaAsBi and GaAsN. Physica Status Solidi B. Vol. 246(3), 2009; pp. 504-507; NREL Report No. JA-590-43661. http://dx.doi.org/10.1002/pssb.200880547

24.  Zhang, Y.; Mascarenhas, A.; Wei, S. H.; Wang, L. W. (2009). Comparison of Atomistic Simulations and Statistical Theories for Variable Degree of Long-Range Order in Semiconductor Alloys. Article No. 045206. Physical Review. B, Condensed Matter and Materials Physics. Vol. 80(4), 2009; 4 pp.; NREL Report No. JA-590-46633. http://dx.doi.org/10.1103/PhysRevB.80.045206

25.  Fluegel, B.; Mascarenhas, A.; Geisz, J. F. (2009). Polarized Photoluminescence from Point Emitters in Ordered GaxIn1-xP. Article No. 125333. Physical Review. B, Condensed Matter and Materials Physics. Vol. 80(12), 2009; 4 pp.; NREL Report No. JA-590-45869. http://dx.doi.org/10.1103/PhysRevB.80.125333

26.  Zhang, Y.; Jiang,C. S.; Friedman, D. J.; Geisz, J. F.; Mascarenhas, A. (2009). Tailoring the Electronic Properties of GaxIn1-xP Beyond Simply Varying Alloy Composition. Article No. 091113. Applied Physics Letters. Vol. 94(9), 20090000; 3 pp.; NREL Report No. JA-590-45209. http://dx.doi.org/10.1063/1.3094918

27.  Kini, R. N.; Bhusal, L.; Ptak, A. J.; France, R.; Mascarenhas, A. (2009). Electron Hall Mobility in GaAsBi. Journal of Applied Physics. Article No. 043705. Vol. 106(4), 2009; 3 pp.; NREL Report No. JA-590-46212. http://dx.doi.org/10.1063/1.3204670

28.  Francoeur, S.; Tixier, S.; Young, E.; Tiedje,T.; Mascarenhas, A. (2008). Bi Isoelectronic Impurities in GaAs. Article No. 085209. Physical Review. B, Condensed Matter and Materials Physics. Vol. 77(8), 2008; 5 pp.; NREL Report No. JA-590-43136. http://dx.doi.org/10.1103/PhysRevB.77.085209

29.  Fluegel, B.; Mascarenhas, A. (2008). Aberration-Free Imaging for Light and Electrons. Article No. 161105. Applied Physics Letters. Vol. 93(16), 2008; 3 pp.; NREL Report No. JA-590-43922. http://dx.doi.org/10.1063/1.3005582

30.  Wang, K.; Chen, J.; Zhou, W.; Zhang, Y.; Yan, Y.; Pern, J.; Mascarenhas, A. (2008). Direct Growth of Highly Mismatched Type II ZnO/ZnSe Core/Shell Nanowire Arrays on Transparent Conducting Oxide Substrates for Solar Cell Applications. Advanced Materials. Vol. 20, 2008; pp. 3248-3253; NREL Report No. JA-590-44140. http://dx.doi.org/10.1002/adma.200800145

31.  Kini, R. N.; Mascarenhas, A.; France, R.; Ptak, A. J. (2008). Low Temperature Photoluminescence from Dilute Bismides. Article No. 113534. Journal of Applied Physics. Vol. 104(11), 2008; 5 pp.; NREL Report No. JA-590-44197. http://dx.doi.org/10.1063/1.3041479

32.  Tiedje, T.; Young, E. C.; Mascarenhas, A. (2008). Growth and Properties of the Dilute Bismide Semiconductor GaAs1-xBix a Complementary Alloy to the Dilute Nitrides. International Journal of Nanotechnology. Vol. 5(9-12), 2008; pp. 963-983; NREL Report No. JA-590-44676.

33.  Zhang, Y.; Lee, S. H.; Mascarenhas, A.; Deb, S. K. (2008). UV Photochromic Memory Effect in Proton-Based WO3 Electrochromic Devices. Article No. 203508. Applied Physics Letters. Vol. 93(20), November 2008; 2 pp.; NREL Report No. JA-590-44862. http://dx.doi.org/10.1063/1.3029775

34.  Zhang, Y.; Mascarenhas, A.; Wang, L.-W. (2008). Non-Bloch Nature of Alloy States in a Conventional Semiconductor Alloy: GaxIn1-xP as an Example. Article No. 036403. Physical Review Letters. Vol. 101(3), July 2008; 4 pp.; NREL Report No. JA-590-43162. http://dx.doi.org/10.1103/PhysRevLett.101.036403;

35.  Zhang, Y.; Mascarenhas,A.; Wang, L. W. (2008). Interplay of Alloying and Ordering on the Electronic Structure of GaxIn1-xP Alloys. Article No. 235202. Physical Review. B, Condensed Matter and Materials Physics. Vol. 78(23), 2008; 8 pp.; NREL Report No. JA-590-43662. http://dx.doi.org/10.1103/PhysRevB.78.235202

36.  Zhang, Y.; Wang, L.-W.; Mascarenhas, A. (2007). Quantum Coaxial Cables for Solar Energy Harvesting. Nano Letters. Vol. 7(5), 2007; pp. 1264-1269; NREL Report No. JA-590-40916. http://dx.doi.org/10.1021/nl070174f

37.  Karaiskaj, D.; Mascarenhas, A. (2007). Role of Electron-Phonon Interactions and External Strain on the Electronic Properties of Semiconducting Carbon Nanotubes. Article No. 115426. Physical Review. B, Condensed Matter and Materials Physics. Vol. 75(11), 2007; 7 pp.; NREL Report No. JA-590-39034. http://dx.doi.org/10.1103/PhysRevB.75.115426

38.  Yoon, S.; Seong, M. J.; Fluegel, B.; Mascarenhas, A.; Tixier, S.; Tiedje, T. (2007). Photogenerated Plasmons in GaAs1-xBix. Article No. 082101. Applied Physics Letters. Vol. 91(8), 2007; 3 pp.; NREL Report No. JA-590-41667. http://dx.doi.org/10.1063/1.2770760

39.  Tan, P. H.; Xu, Z. Y.; Luo, X. D.; Ge, W. K.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2007). Unusual Carrier Thermalization in a Dilute GaAs1-xNx Alloy. Article No. 061905. Applied Physics Letters. Vol. 90(6), 2007; 3 pp.; NREL Report No. JA-590-41454. http://dx.doi.org/10.1063/1.2454552

40.  Zhang, Y.; Islam, Z.; Ren, Y.; Parilla, P. A.; Ahrenkiel, S. P.; Lee, P. L.; Mascarenhas, A.; McNevin, M. J.; Naumov, I.; Fu, H. X.; Huang, X. Y.; Li, J. (2007). Zero Thermal Expansion in a Nanostructured Inorganic-Organic Hybrid Crystal. Article No. 215901. Physical Review Letters. Vol. 99(21), 23 November 2007; 4 pp.; NREL Report No. JA-590-41438. http://dx.doi.org/10.1103/PhysRevLett.99.215901

41.  Karaiskaj, D.; Mascarenhas, A.; Klem, J. F.; Volz, K.; Stolz, W.; Adamcyk, M.; Tiedje, T. (2007). Excitons Bound to Nitrogen Pairs in GaAs as Seen by Photoluminescence of High Spectral and Spatial Resolution. Article No. 125209. Physical Review. B, Condensed Matter and Materials Physics. Vol. 76(12), 2007; 5 pp.; NREL Report No. JA-590-41838; 982274. http://dx.doi.org/10.1103/PhysRevB.76.125209

42.  Fluegel, B.; Mascarenhas, A.; Ptak, A. J. (2007). E+ Transition in GaAs1-xNx and GaAs1-xBix Due to Isoelectronic-Impurity-Induced Perturbation of the Conduction Band. Article No. 155209. Physical Review. B, Condensed Matter and Materials Physics. Vol. 76(15), 2007; 5 pp.; NREL Report No. JA-590-41037. http://dx.doi.org/10.1103/PhysRevB.76.155209;

43.  Karaiskaj, D.; Mascarenhas, A.; Choi, J. H.; Graff, R.; Strano, M. S. (2007). Temperature Behavior of the Photoluminescence Decay of Semiconducting Carbon Nanotubes: The Effective Lifetime. Article No. 113409. Physical Review. B, Condensed Matter and Materials Physics. Vol. 75(11), 2007; 4 pp.; NREL Report No. JA-590-41261. http://dx.doi.org/10.1103/PhysRevB.75.113409

44.  Fluegel, B.; Francoeur, S.; Mascarenhas, A.; Tixier, S.; Young, E. C.; Tiedje, T. (2006). Giant Spin-Orbit Bowing in GaAs1-xBix. Article No. 067205. Physical Review Letters. Vol. 97(6), 2006; 4 pp.; NREL Report No. JA-590-40705. http://dx.doi.org/10.1103/PhysRevLett.97.067205

45.  Zhang, Y.; Dalpian, G. M.; Fluegel, B.; Wei, S. H.; Mascarenhas, A.; Huang, X. Y.; Li, J.; Wang, L. W. (2006). Novel Approach to Tuning the Physical Properties of Organic-Inorganic Hybrid Semiconductors. Article No. 026405. Physical Review Letters. Vol. 96(2), 20 January 2006; 4 pp.; NREL Report No. JA-590-39659. http://dx.doi.org/10.1103/PhysRevLett.96.026405

46.  Arghavani, R.; Xia, L.; M'Saad, H.; Balseanu, M.; Karunasiri, G.; Mascarenhas, A.; Thompson, S. E. (2006). Reliable and Manufacturable Method to Induce a Stress of >1 GPa on a P-Channel MOSFET in High Volume Manufacturing. IEEE Electron Device Letters. Vol. 27(2), February 2006; pp. 114-116; NREL Report No. JA-590-40142. http://dx.doi.org/10.1109/LED.2005.862277

47.  Tan, P. H.; Xu, Z. Y.; Luo, X. D.; Ge, W. K.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2006). Resonant Raman Scattering with the E+ Band in a Dilute GaAs1-xNx Alloy (x=0.1%). Article No. 101912. Applied Physics Letters. Vol. 89(10), 2006; 3 pp.; NREL Report No. JA-590-41022.

48.  Tan, P. H.; Luo, X. D.; Xu, Z. Y.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W.; Ge, W. K. (2006). Photoluminescence from the Nitrogen-Perturbed Above-Bandgap States in Dilute GaAs1-xNx Alloys: A Microphotoluminescence Study. Article No. 205205. Physical Review. B, Condensed Matter and Materials Physics. Vol. 73(20), 2006; 5 pp.; NREL Report No. JA-590-40269. http://dx.doi.org/10.1103/PhysRevB.73.205205

49.  Zhang, Y.; Mascarenhas, A.; Wang, L. W. (2006). Systematic Approach to Distinguishing a Perturbed Host State from an Impurity State in a Supercell Calculation for a Doped Semiconductor: Using GaP:N as an Example. Article No. 041201(R). Physical Review. B, Condensed Matter and Materials Physics. Vol. 74(4), 2006; 4 pp.; NREL Report No. JA-590-40737. http://dx.doi.org/10.1103/PhysRevB.74.041201

50.  Wanlass, M. W.; Mascarenhas, A. (2006). Voltage-Matched, Monolithic, Multi-Band-Gap Devices. U.S. Patent No. 7,095,050 B2. 32 pp.; NREL Report No. PT-520-40717.

51.  Wang, W. J.; Yang, X. D.; Ma, B. S.; Sun, Z.; Su, F. H.; Ding, K.; Xu, Z. Y.; Li, G. H.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2006). Lifetime Study of N Impurity States in GaAs1-xNx (x=0.1%) under Hydrostatic Pressure. Article No. 201917. Applied Physics Letters. Vol. 88(20), 2006; 3 pp.; NREL Report No. JA-590-40274. http://dx.doi.org/10.1063/1.2205729

52.  Karaiskaj, D.; Mascarenhas, A.; Adamcyk, M.; Young, E. C.; Tiedje, T. (2006). Ultranarrow Photoluminescence Transitions of Nitrogen Cluster Bound Excitons in Dilute GaAsN. Article No. 035208. Physical Review. B, Condensed Matter and Materials Physics. Vol. 74(3), 2006; 4 pp.; NREL Report No. JA-590-40171. http://dx.doi.org/10.1103/PhysRevB.74.035208

53.  Karaiskaj, D.; Engtrakul, C.; McDonald, T.; Heben, M. J.; Mascarenhas, A. (2006). Intrinsic and Extrinsic Effects in the Temperature-Dependent Photoluminescence of Semiconducting Carbon Nanotubes. Article No. 106805. Physical Review Letters. Vol. 96(10), 17 March 2006; 4 pp.; NREL Report No. JA-590-40254. http://dx.doi.org/10.1103/PhysRevLett.96.106805

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54.  Smith, S.; Dhere, R.; Gessert, T.; Stradins, P.; Mascarenhas, A. (2005). Spatially-Resolved Studies of Grain-Boundary Effects in Polycrystalline Solar Cells Using Micro-Photoluminescence and Near-Field Microscopy. 5 pp.; NREL Report No. CP-590-37037.

55.  Fluegel, B.; Zhang, Y.; Geisz, J. F.; Mascarenhas, A. (2005). Comment on 'Experimental Evidence for N-Induced Strong Coupling of Host Conduction Band States in GaNxP1-x: Insight into the Dominant Mechanism for Giant Band-Gap Bowing'. Article No. 197301. Physical Review. B, Condensed Matter and Materials Physics. Vol. 72(19), 2005; 3 pp.; NREL Report No. JA-590-39633. http://dx.doi.org/10.1103/PhysRevB.72.197301

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56.  Zhang, Y.; Wu, X.; Dhere, R.; Zhou, J.; Yan, Y.; Mascarenhas, A. (2005). Raman Studies of Nanocrystalline CdS:O Film. 5 pp.; NREL Report No. CP-590-37026.

57.  Fluegel, B.; Zhang, Y.; Geisz, J. F.; Mascarenhas, A. (2005). Confirmation of the Impurity-Band Model for GaP1-xNx. Article No. 073203. Physical Review. B, Condensed Matter and Materials Physics. Vol. 72(7), 2005; 4 pp.; NREL Report No. JA-590-39369. http://dx.doi.org/10.1103/PhysRevB.72.073203

58.  Zhang, Y.; Mascarenhas, A.; Wang, L. W. (2005). Similar and Dissimilar Aspects of III-V Semiconductors Containing Bi versus N. Article No. 155201. Physical Review B: Condensed Matter and Materials Physics. Vol. 71(15), 2005; 4 pp.; NREL Report No. JA-590-38428. http://dx.doi.org/10.1103/PhysRevB.71.155201

59.  Smith, S.; Dhere, R.; Gessert, T.; Stradins, P.; Wang, T.; Ramanathan, K.; Noufi, R.; Mascarenhas, A. (2005). Sub-micron Optoelectronic Properties of Polycrystalline Solar Cell Materials. Shafarman, W., et al., eds. Thin-Film Compound Semiconductor Photovoltaics: Proceedings of the Materials Research Society Symposium, 29 March-1 April 2005, San Francisco, California. Materials Research Society Symposium Proceedings, Vol. 865. Warrendale, PA: Materials Research Society pp. 27-31; NREL Report No. CP-520-39719.

60.  Ma, B. S.; Su, F. H.; Ding, K.; Li, G. H.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2005). Pressure Behavior of the Alloy Band Edge and Nitrogen-Related Centers in GaAs0.999N0.001. Article No. 045213. Physical Review B: Condensed Matters and Materials Physics. Vol. 71(4), 2005; 9 pp.; NREL Report No. JA-590-37870. http://dx.doi.org/10.1103/PhysRevB.71.045213

61.  Yoon, S.; Geisz, J. F.; Han, S. H.; Mascarenhas, A.; Rubhausen, M.; Schulz, B. (2005). Resonant Raman Scattering Spectroscopy of GaP1-xNx and GaAs1-xNx in the Ultraviolet Range. Article No. 155208. Physical Review B: Condensed Matter and Materials Physics. Vol. 71(15), 2005; 5 pp.; NREL Report No. JA-590-38429. http://dx.doi.org/10.1103/PhysRevB.71.155208

62.  Tixier, S.; Webster, S. E.; Young, E. C.; Tiedje, T.; Francoeur, S.; Mascarenhas, A.; Wei, P.; Schiettekatte, F. (2005). Band Gaps of the Dilute Quaternary Alloys GaNxAs1-x-yBiy and Ga1-yInyNxAs1-x. Article No. 112113. Applied Physics Letters. Vol. 86(11), 2005; 3 pp.; NREL Report No. JA-590-38426. http://dx.doi.org/10.1063/1.1886254

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63.  Mascarenhas, A.; Francoeur, S.; Seong, M. J.; Fluegel, B.; Zhang, Y.; Wanlass, M. W. (2005). High-Efficiency Solar Cell Concepts: Physics, Materials, and Devices. 5 pp.; NREL Report No. CP-590-37079.

64.  Lu, Y. -J.; Gao, Y. -L.; Zheng, J. -S.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2005). Direct Observation of NN Pairs Transfer in GaP1-xNx (x = 0.12%). Chinese Physics Letters. Vol. 22(11), 2005; pp. 2957-2959; NREL Report No. JA-590-39380. http://dx.doi.org/10.1088/0256-307X/22/11/064

65.  Li, J. H.; Moss, S. C.; Zhang, Y.; Mascarenhas, A.; Bai, J. (2005). X-Ray Characterization of Atomic-Layer Superlattices. Holy, V. Journal of Physics D: Applied Physics. XTOP 2004 - 7th Biennial Conference on High Resolution X-Ray Diffraction and Imaging. Vol. 38, 2005; pp. A147-A153; NREL Report No. JA-590-38830. http://dx.doi.org/10.1088/0022-3727/38/10A/028

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66.  Fluegel, B.; Zhang, Y.; Geisz, J. F.; Mascarenhas, A. (2005). Impurity-Band Model for GaP1-xNx. 5 pp.; NREL Report No. CP-590-39020.

67.  Zhang, Y.; Mascarenhas, A. (2005). Total and Negative Refraction of Electromagnetic Waves. Modern Physics Letters B. Vol. 19(1-2), 2005; pp. 21-33; NREL Report No. JA-590-37527. http://dx.doi.org/10.1142/S0217984905008074

68.  Caha, O.; Mikulfk, P.; Novak, J.; Holy, V.; Moss, S. C.; Norman, A.; Mascarenhas, A.; Reno, J. L.; Krause, B.; Ma (2005). Spontaneous Lateral Modulation in Short-Period Superlattices Investigated by Grazing-Incidence X-Ray Diffraction. Article No. 035313. Physical Review. B, Condensed Matter and Materials Physics. Vol. 72(3), 2005; 8 pp.; NREL Report No. JA-520-38809. http://dx.doi.org/10.1103/PhysRevB.72.035313

69.  Seong, M. J.; Francoeur, S.; Yoon, S.; Mascarenhas, A.; Tixier, S.; Adamcyk, M.; Tiedje, T. (2005). Bi-Induced Vibrational Modes in GaAsBi. Superlattices and Microstructures. Vol. 37, 2005; pp. 394-400; NREL Report No. JA-590-38793. http://dx.doi.org/10.1016/j.spmi.2005.02.004

70.  Smith, S.; Zhang, P.; Gessert, T.; Mascarenhas, A. (2004). Near-Field Optical Beam-Induced Currents in CdTe/CdS Solar Cells: Direct Measurement of Enhanced Photoresponse at Grain Boundaries. Applied Physics Letters. Vol. 85(17), 25 October 2004; pp. 3854-3856; NREL Report No. JA-590-37861. http://dx.doi.org/10.1063/1.1809271

71.  Arghavani, R.; Yuan, Z.; Ingle, N.; Jung, K.-B.; Seamons, M.; Venkataraman, S.; Banthia, V.; Lilja, K.; Leon, P.; Karunasiri, G.; Yoon, S.; Mascarenhas, A. (2004). Stress Management in Sub-90-nm Transistor Architecture. IEEE Transactions on Electron Devices. Vol. 51(10), October 2004; pp. 1740-1743; NREL Report No. JA-590-37424. http://dx.doi.org/10.1109/TED.2004.835993

72.  Mascarenhas, A.; Yoon, S. (2004). Chapter 7: Raman Scattering in Dilute GaAsN and GaPN Alloys. Buyanova, I. A.; Chen, W. M., eds. Physics and Applications of Dilute Nitrides. New York: Taylor and Francis pp. 197-222; NREL Report No. CH-590-37815.

73.  Zhang, Y.; Mascarenhas, A. (2004). Effects Due to and Derived from Spontaneous Ordering in III-V Semiconductor Alloys. Norman, A. G., et al., eds. Self-Organized Processes in Semiconductor Heteroepitaxy: Proceedings of the Materials Research Society Symposium, 1-5 December 2003, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 794. Warrendale, PA: Materials Research Society pp. 279-290; NREL Report No. CP-590-37299.

74.  Smith, S.; Zhang, Y.; Mascarenhas, A.; Hanna, M. (2004). Effects of Localization on the Excitonic Linewidth in Partially Ordered GaxIn1-xP Alloys. Article No. 235301. Physical Review B: Condensed Matter and Materials Physics. Vol. 70(23), 2004; 6 pp.; NREL Report No. JA-590-37868. http://dx.doi.org/10.1103/PhysRevB.70.235301

75.  Xu, Z. Y.; Luo, X. D.; Yang, X. D.; Tan. P. H.; Yang, C. L.; Ge, W. K.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2004). Optical Study of Localized and Delocalized States in GaAsN/GaAs. Ng, H. M., et al., eds. GaN and Related Alloys--2003: Proceedings of the Materials Research Society Symposium, 1-5 December 2003, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 798. Warrendale, PA: Materials Research Society pp. 695-700; NREL Report No. CP-590-36957.

76.  Francoeur, S.; Klem, J. F.; Mascarenhas, A. (2004). Optical Spectroscopy of Single Impurity Centers in Semiconductors. Article No. 067403. Physical Review Letters. Vol. 93(6), August 2004; 4 pp.; NREL Report No. JA-590-36898. http://dx.doi.org/10.1103/PhysRevLett.93.067403

77.  Wei, P.; Tixier, S.; Chicoine, M.; Francoeur, S.; Mascarenhas, A.; Tiedje, T.; Schiettekatte, F. (2004). Ion Beam Characterization of GaAs1-x-yNxBiy Epitaxial Layers. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. Proceedings of the Sixteenth International Conference on Ion Beam Analysis, 29 June - 4 July 2003, Albuquerque, New Mexico. Vol. 219-220, July 2004; pp. 671-675; NREL Report No. JA-590-36927. http://dx.doi.org/10.1016/j.nimb.2004.01.140

78.  Caha, O.; Krapek, V.; Holy, V.; Moss, S. C.; Li, J. H.; Norman, A. G.; Mascarenhas, A.; Reno, J. L.; Stangl, J.; Meduna, M. (2004). X-ray Diffraction on Laterally Modulated (InAs)n/(AlAs)m Short-Period Superlattices. Journal of Applied Physics. Vol. 96(9), 1 November 2004; pp. 4833-4838; NREL Report No. JA-520-37470. http://dx.doi.org/10.1063/1.1781768

79.  Seong, M. J.; Cheong, H. M.; Yoon, S.; Mascarenhas, A.; Geisz, J. F.; Hanna, M. C. (2004). Resonant Raman Study on the Nitrogen-Induced Electronic States in GaAs1-xNx. Journal of the Korean Physical Society. Vol. 45(1), July 2004; pp. 217-222; NREL Report No. JA-590-37972.

80.  Fluegel, B.; Zhang, Y.; Mascarenhas, A. (2004). Electronic Properties of Hybrid Organic-Inorganic Semiconductors. Article No. 205308. Physical Review B: Condensed Matter and Materials Physics. Vol. 70(20), 2004; 5 pp.; NREL Report No. JA-590-36670. http://dx.doi.org/10.1103/PhysRevB.70.205308

81.  Mascarenhas, A. (2004). Isoelectronic Co-Doping. U.S. Patent No. 6,815,736 B2. 31 pp.; NREL Report No. PT-590-37255.

82.  Zhang, Y.; Fluegel, B.; Hanna, M. C.; Mascarenhas, A.; Wang, L. -W.; Wang, Y. J.; Wei, X. (2003). Impurity Perturbation to the Host Band Structure and Recoil of the Impurity State. Article No. 075210. Physical Review. B, Condensed Matter and Materials Physics. Vol. 68(07), 2003; 4 pp.; NREL Report No. JA-590-34812. http://dx.doi.org/10.1103/PhysRevB.68.075210

83.  Seong, M. J.; Cheong, H. M.; Yoon, S.; Geisz, J. F.; Mascarenhas, A. (2003). Symmetry of GaAs1-xNx Conduction-Band Minimum Probed by Resonant Raman Scattering. Article No. 153301. Physical Review. B, Condensed Matter and Materials Physics. Vol. 67(15), 2003; 4 pp.; NREL Report No. JA-590-34474. http://dx.doi.org/10.1103/PhysRevB.67.153301

84.  Li, J. H.; Moss, S. C.; Zhang, Y.; Mascarenhas, A.; Pfeiffer, L. N.; West, K. W.; Ge, W. K.; Bai, J. (2003). Layer Ordering and Faulting in (GaAs)n/(AIAs)n Ultrashort-Period Superlattices. Article No. 106103. Physical Review Letters. Vol. 91(10), 2003; 4 pp.; NREL Report No. JA-590-35468. http://dx.doi.org/10.1103/PhysRevLett.91.106103

85.  Lee, S. -H.; Cheong, H. M.; Seong, M. J.; Liu, P.; Tracy, C. E.; Mascarenhas, A.; Pitts, R. J.; Deb, S. K. (2003). Raman Spectroscopic Studies of Amorphous Vanadium Oxide Thin Films. Solid State Ionics. Vol. 165, 2003; pp. 111-116; NREL Report No. JA-590-35466. http://dx.doi.org/10.1016/j.ssi.2003.08.022

86.  Karazhanov, S. Zh.; Zhang, Y.; Mascarenhas, A.; Deb, S.; Wang, L. -W. (2003). Oxygen Vacancy in Cubic WO3 Studied by First-Principles Pseudopotential Calculation. Solid State Ionics. Vol. 165, 2003; pp. 43-49; NREL Report No. JA-590-35492. http://dx.doi.org/10.1016/j.ssi.2003.08.012

87.  Luo, X. D.; Huang, J. S.; Xu, Z. Y.; Yang, C. L.; Liu, J.; Ge, W. K.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2003). Alloy States in Dilute GaAs1-xNx Alloys (x<1%). Applied Physics Letters. Vol. 82(11), 2003; pp. 1697-1699; NREL Report No. JA-590-34447. http://dx.doi.org/10.1063/1.1560872

88.  Zhang, Y.; Fluegel, B.; Hanna, M. C.; Geisz, J. F.; Wang, L.-W.; Mascarenhas, A. (2003). Effects of Heavy Nitrogen Doping in III--V Semiconductors--How Well Does the Conventional Wisdom Hold for the Dilute Nitrogen "III--V-N Alloys?". Physica Status Solidi B - Basic Research. Vol. 240(2), 2003; pp. 396-403; NREL Report No. JA-590-34811. http://dx.doi.org/10.1002/pssb.200303329

89.  Francoeur, S.; Seong, M. J.; Mascarenhas, A.; Tixier, S.; Adamcyk, M.; Tiedje, T. (2003). Band Gap of GaAs1-xBix, 0 Applied Physics Letters. Vol. 82(22), 2 June 2003; pp. 3874-3876; NREL Report No. JA-590-34982. http://dx.doi.org/10.1063/1.1581983

90.  Zhang, Y.; Fluegel, B.; Mascarenhas, A. (2003). Total Negative Refraction in Real Crystals for Ballistic Electrons and Light. Article No. 157404. Physical Review Letters. Vol. 91(15), 2003; 4 pp.; NREL Report No. JA-590-34776. http://dx.doi.org/10.1103/PhysRevLett.91.157404

91.  Wang, Y. J.; Wei, X.; Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Hong, Y. G.; Tu, C. W. (2003). Evolution of the Electron Localization in a Nonconventional Alloy System GaAs1-xNx Probed by High-Magnetic-Field Photoluminescence. Applied Physics Letters. Vol. 82(25), 23 June 2003; pp. 4453-4455; NREL Report No. JA-590-35028. http://dx.doi.org/10.1063/1.1584789

92.  Francoeur, S.; Seong, M. J.; Hanna, M. C.; Geisz, J. F.; Mascarenhas, A. (2003). Origin of the Nitrogen-Induced Optical Transitions in GaAs1-xNx. Article No. 075207. Physical Review. B, Condensed Matter and Materials Physics. Vol. 68(07), 2003; 5 pp.; NREL Report No. JA-590-35454. http://dx.doi.org/10.1103/PhysRevB.68.075207

93.  Smith, S.; Mascarenhas, A.; Ahrenkiel, S. P.; Hanna, M. C.; Olson, J. M. (2003). Spatially Resolved Below-Gap Emission in Partially Ordered GaxIn1-xP Alloys. Article No. 035310. Physical Review. B, Condensed Matter and Materials Physics. Vol. 68(03), 2003; 7 pp.; NREL Report No. JA-590-35479. http://dx.doi.org/10.1103/PhysRevB.68.035310

94.  Tixier, S.; Adamcyk, M.; Tiedje, T.; Francoeur, S.; Mascarenhas, A.; Wei, P.; Schiettedatte, F. (2003). Molecular Beam Epitaxy Growth of GaAs1-xBix. Applied Physics Letters. Vol. 82(14), 2003; pp. 2245-2247; NREL Report No. JA-590-34479. http://dx.doi.org/10.1063/1.1565499

95.  Smith, S.; Mascarenhas, A.; Olson, J. M. (2003). Magnetophotoluminescence of Quantum Confined States in Ordered GaxIn1-xP with 200 Nanometer Resolution. Article No. 153202. Physical Review. B, Condensed Matter and Materials Physics. Vol. 68(15), 2003; 4 pp.; NREL Report No. JA-590-35480. http://dx.doi.org/10.1103/PhysRevB.68.153202

96.  Seong, M. J.; Mascarenhas, A.; Cheong, H. M. (2003). Determination of Carrier Concentration in Ga1-xMnxAs Using Raman Spectroscopy. Journal of the Korean Physical Society. Vol. 42, 2003; pp. S124-S128; NREL Report No. JA-590-34490.

97.  Huang, X.; Li, J.; Zhang, Y.; Mascarenhas, A. (2003). From 1D to 3D Network: Tuning Hybrid II-VI Nanostructures and Their Optical Properties. Journal of the American Chemical Society. Vol. 125(23), 2003; pp. 7049-7055; NREL Report No. JA-590-34988. http://dx.doi.org/10.1021/ja0343611

98.  Seong, M. J.; Micic, O. I.; Nozik, A. J.; Mascarenhas, A.; Cheong, H. M. (2003). Size-Dependent Raman Study of InP Quantum Dots. Applied Physics Letters. Vol. 82(2), 13 January 2003; pp. 185-187; NREL Report No. JA-590-33857. http://dx.doi.org/10.1063/1.1535272

99.  Yoon, S.; Seong, M. J.; Geisz, J. F.; Duda, A.; Mascarenhas, A. (2003). Evolution of Electronic States in GaP1-xNx Studied by Resonant Raman Scattering Spectroscopy. Article No. 235209. Physical Review. B, Condensed Matter and Materials Physics. Vol. 67(23), 2003; 4 pp.; NREL Report No. JA-590-35490. http://dx.doi.org/10.1103/PhysRevB.67.235209

100.  Mascarenhas, A.; Seong, M. J.; Yoon, S.; Verley, J. C.; Geisz, J. F.; Hanna, M. C. (2003). Evolution of Electronic States in GaAs1-xNx Probed by Resonant Raman Spectroscopy. Article No. 233201. Physical Review. B, Condensed Matter and Materials Physics. Vol. 68(23), 2003; 3 pp.; NREL Report No. JA-590-35925. http://dx.doi.org/10.1103/PhysRevB.68.233201

101.  Karazhanov, S. Zh.; Zhang, Y.; Wang, L. W.; Mascarenhas, A.; Deb, S. (2003). Resonant Defect States and Strong Lattice Relaxation of Oxygen Vacancies in WO3. Article No. 233204. Physical Review. B, Condensed Matter and Materials Physics. Vol. 68(23), 2003; 4 pp.; NREL Report No. JA-590-35924. http://dx.doi.org/10.1103/PhysRevB.68.233204

102.  Ku, K. C.; Potashnik, S. J.; Wang, R. F.; Chun, S. H.; Schiffer, P.; Samarth, N.; Seong, M. J.; Mascarenhas, A.; Johnston-Halperin, E.; Myers, R. C.; Gossard, A. C.; Awschalom, D. D. (2003). Highly Enhanced Curie Temperature in Low-Temperature Annealed [Ga,Mn]As Epilayers. Applied Physics Letters. Vol. 82(14), 2003; pp. 2302-2304; NREL Report No. JA-590-34438. http://dx.doi.org/10.1063/1.1564285

103.  Francoeur, S.; Norman, A. G.; Mascarenhas, A.; Jones, E. D.; Reno, J. L.; Lee, S. R.; Follstaedt, D. M. (2002). Two-Dimensional Array of Self-Assembled AlInAs Quantum Wires. Applied Physics Letters. Vol. 81(3), 15 July 2002; pp. 529-531; NREL Report No. JA-590-32894. http://dx.doi.org/10.1063/1.1493222

104.  Francoeur, S.; Norman, A. G.; Hanna, M. C.; Mascarenhas, A.; Reno, J. L.; Follstaedt, D. M.; Lee, S. R. (2002). Optical Properties of Self-Assembled Lateral Superlattices in AlInAs Epitaxial Layers and AlAs/InAs Short-Period Superlattices. Materials Science and Engineering B. Vol. 88(2-3), 2002; pp. 118-124; NREL Report No. JA-590-32612. http://dx.doi.org/10.1016/S0921-5107(01)00862-5

105.  Zhang, Y.; Fluegel, B.; Hanna, M.; Duda, A.; Mascarenhas, A. (2002). Electronic Structure Near the Band Gap of Heavily Nitrogen Doped GaAs and GaP. Jones, E. D., ed. Progress in Semiconductor Materials for Optoelectronic Applications: Proceedings of the Materials Research Society Symposium, 26-29 November 2001, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 692. Warrendale, PA: Materials Research Society pp. 49-60; NREL Report No. CP-590-33419.

106.  Lee, S. H.; Cheong, H. M.; Seong, M. J.; Liu, P,; Tracy, C. E.; Mascarenhas, A.; Pitts, J. R.; Deb, S. K. (2002). Microstructure Study of Amorphous Vanadium Oxide Thin Films Using Raman Spectroscopy. Journal of Applied Physics. Vol. 92(4), 15 August 2002; pp. 1893-1897; NREL Report No. JA-590-32882. http://dx.doi.org/10.1063/1.1495074

107.  Mascarenhas, A.; Cheong, H. M.; Seong, M. J.; Alsina, F. (2002). Chapter 14: Phonons in Ordered Semiconductor Alloys. Mascarenhas, A. ed. Spontaneous Ordering in Semiconductor Alloys. Dordrecht, The Netherlands: Kluwer Academic/Plenum Publishers pp. 391-421; NREL Report No. CH-590-34991.

108.  Mascarenhas, A.; Zhang, Y. (2002). Chapter 11: Physics of Tunable Disorder in Semiconductor Alloys. Mascarenhas, A. ed. Spontaneous Ordering in Semiconductor Alloys. Dordrecht, The Netherlands: Kluwer Academic/Plenum Publishers pp. 283-326; NREL Report No. CH-590-34990.

109.  Mascarenhas, A.; Zhang, Y. (2002). Electronic Structure of Nitrogen Doped GaAs and GaP. Osinski, M. ed. Gallium-Nitride-Based Technologies: Proceedings of a Conference Held 21-22 January 2002, San Jose, California. Critical Reviews of Optical Science and Technology, Vol. CR83. Vol. CR83, 2002; Bellingham, WA: SPIE - International Society for Optical Engineering pp. 219-237; NREL Report No. JA-590-35495.

110.  Cheong, H. M.; Kim, D.; Hanna, M. C.; Mascarenhas, A. (2002). Effect of Doping on Photoluminescence Upconversion in GaAs/AlxGa1-xAs Heterostructures. Applied Physics Letters. Vol. 81(1), 1 July 2002; pp. 58-60; NREL Report No. JA-590-32892. http://dx.doi.org/10.1063/1.1491303

111.  Mascarenhas, A.; Seong, M. J. (2002). Raman and Resonant Raman Studies of GaAs1-xNx. Semiconductor Science and Technology. Vol. 17, 2002; pp. 823-829; NREL Report No. JA-590-33321. http://dx.doi.org/10.1088/0268-1242/17/8/311

112.  Li, J. H.; Forrest, R. L.; Moss, S. C.; Zhang, Y.; Mascarenhas, A.; Bai, J. (2002). Determination of the Order Perameter of CuPt-B Ordered GaInP2 Films by X-Ray Diffraction. Journal of Applied Physics. Vol. 91(11), 1 June 2002; pp. 9039-9042; NREL Report No. JA-590-32621. http://dx.doi.org/10.1063/1.1476971

113.  Ramanathan, K.; Hasoon, F. S.; Smith, S.; Mascarenhas, A.; Al-Thani, H.; Alleman, J.; Ullal, H. S.; Keane, J.; Johnson, P. K.; Sites, J. R. (2002). Properties of Cd and Zn Partial Electrolyte Treated CIGS Solar Cells. Conference Record of the Twenty-Ninth IEEE Photovoltaic Specialists Conference--2002, 19-24 May 2002, New Orleans, Louisiana. Piscataway, NJ: Institute of Electrical and Electronics Engineers, Inc. (IEEE) pp. 523-526; NREL Report No. CP-520-33715.

114.  Lee, S. H.; Seong, M. J.; Tracy, C. E.; Mascarenhas, A.; Pitts, J. R.; Deb, S. K. (2002). Raman Spectroscopic Studies of Electrochromic a-MoO3 Thin Films. Solid State Ionics. Vol. 147, 2002; pp. 129-133; NREL Report No. JA-590-32597. http://dx.doi.org/10.1016/S0167-2738(01)01035-9

115.  Fluegel, B.; Smith, S.; Zhang, Y.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M. (2002). Resonant Excitation Study of Ultrasharp Emission Lines in Ordered GaxIn1-xP. Article No. 115320. Physical Review. B, Condensed Matter and Materials Physics. Vol. 65(11), 2002; 5 pp.; NREL Report No. JA-520-30918. http://dx.doi.org/10.1103/PhysRevB.65.115320

116.  Jones, E. D.; Bajaj, K. K.; Coli, G.; Crooker, S. A.; Zhang, Y.; Mascarenhas, A.; Olsen, J. M. (2002). Exciton Diamagnetic Shifts and Magnetic Field Dependent Linewidths in Ordered and Disordered InGaP Alloys. Jones, E.D., et al., eds. Progress in Semiconductor Materials for Optoelectronic Applications: Proceedings of the Materials Research Society Symposium, 26-29 November 2001, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 692. Warrendale, PA: Materials Research Society (MRS) pp. 313-318; NREL Report No. CP-590-40991.

117.  Shin, B.; Lin, A.; Lappo, K.; Goldman, R. S.; Hanna, M. C.; Francoeur, S.; Norman, A. G.; Mascarenhas, A. (2002). Initiation and Evolution of Phase Separation in Heteroepitaxial InAlAs Films. Applied Physics Letters. Vol. 80(18), 6 May 2002; pp. 3292-3294; NREL Report No. JA-590-32610. http://dx.doi.org/10.1063/1.1476386

118.  Li, J. H.; Holy, V.; Meduna, M.; Moss, S. C.; Norman, A. G.; Mascarenhas, A.; Reno, J. L. (2002). Lateral Composition Modulation in (InAs)n/(AlAs)m Short-Period Superlattices Investigated by High-Resolution X-Ray Scattering. Article No. 115312. Physical Review. B, Condensed Matter and Materials Physics. Vol. 66(11), 2002; 10 pp.; NREL Report No. JA-590-33304. http://dx.doi.org/10.1103/PhysRevB.66.115312

119.  Seong, M. J.; Chun, S. H.; Cheong, H. M.; Samarth, N.; Mascarenhas, A. (2002). Spectroscopic Determination of Hole Density in the Ferromagnetic Semiconductor Ga1-xMnxAs. Article No. 033202. Physical Review. B, Condensed Matter and Materials Physics. Vol. 66(3), 2002; 4 pp.; NREL Report No. JA-590-33300. http://dx.doi.org/10.1103/PhysRevB.66.033202

120.  Francoeur, S.; Hanna, M. C.; Norman, A. G.; Mascarenhas, A. (2002). Observation of Large Optical Anisotropy and Valence Band Splitting in AlInAs Self-Assembled Lateral Quantum Wells. Applied Physics Letters. Vol. 80(2), 14 January 2002; pp. 243-245; NREL Report No. JA-590-32044. http://dx.doi.org/10.1063/1.1432754

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121.  Ramanathan, K.; Hasoon, F. S.; Smith, S.; Mascarenhas, A.; Al-Thani, H.; Alleman, J.; Ullal, H. S.; Keane, J.; Johnson, P. K.; Sites, J. R. (2002). Properties of Cd and Zn Partial Electrolyte Treated CIGS Solar Cells: Preprint. 7 pp.; NREL Report No. CP-520-31475.

122.  Mascarenhas, A. (2002). Spontaneous Ordering in Semiconductor Alloys. New York: Kluwer Academic/Plenum Publishers 491 pp.; NREL Report No. BK-590-28560.

123.  Zhang, Y.; Mascarenhas, A.; Wang, L. W. (2002). Band Alignment between GaAs and Partially Ordered GaInP. Applied Physics Letters. Vol. 80(17), 29 April 2002; pp. 3111-3113; NREL Report No. JA-520-31072. http://dx.doi.org/10.1063/1.1472478

124.  Zhang, Y.; Francoeur, S.; Mascarenhas, A.; Xin, H. P. (2001). Electronic Structure of Heavily and Randomly Nitrogen Doped GaAs near the Fundamental Band Gap. Physica Status Solidi B - Basic Research. Vol. 228, 2001; pp. 287-291; NREL Report No. JA-590-31806. http://dx.doi.org/10.1002/1521-3951(200111)228:1<287::AID-PSSB287>3.0.CO;2-3

125.  Seong, M. J.; Mascarenhas, A.; Olson, J. M.; Cheong, H. M. (2001). Anisotropy of Phonon Modes in Spontaneously Ordered GaInP2. Article No. 235205. Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(23), 2001; 5 pp.; NREL Report No. JA-590-31096. http://dx.doi.org/10.1103/PhysRevB.63.235205

126.  Perkins, J. D.; Mascarenhas, A.; Geisz, J. F.; Friedman, D. J. (2001). Conduction-Band-Resonant Nitrogen-Induced Levels in GaAs1-xNx with x<0.03. Article No. 121301. Physical Review, B. Condensed Matter and Materials Physics. Vol. 64(12), 2001; 4 pp.; NREL Report No. JA-520-31812. http://dx.doi.org/10.1103/PhysRevB.64.121301

127.  Cheong, H. M.; Lee, S. H.; Nelson, B.; Mascarenhas, A.; Deb, S. K. (2001). Evidence for Light-Induced Long-Range Hydrogen Motion in a-Si:H Using Raman Scattering of a-WO3. Electrochimica Acta. Vol. 46(13-14), 2 April 2001; pp. 1963-1966; NREL Report No. JA-590-30613. http://dx.doi.org/10.1016/S0013-4686(01)00387-5

128.  Cheong, H. M.; Lee, S. H.; Nelson, B.; Mascarenhas, A.; Deb, S. K. (2001). Evidence for Long-Range Hydrogen Motion in a-Si:H under Room-Temperature Illumination Using Raman Scattering of Amorphous Tungsten Oxide Overlayer. Stutzmann, M., et al., eds. Amorphous and Heterogeneous Silicon-Based Films--2001: Proceedings of the Materials Research Society Symposium, 16-20 April 2001, San Francisco, California. Materials Research Society Symposium Proceedings, Vol. 664. Warrendale, PA: Materials Research Society pp. A28.5.1 - A28.5.6; NREL Report No. CP-590-32937.

129.  Mascarenhas, A.; Zhang, Y. (2001). Dilute Nitride Based III-V Alloys for Laser and Solar Cell Applications. Current Opinion in Solid State and Materials Science. Vol. 5, 2001; pp. 253-259; NREL Report No. JA-590-31822. http://dx.doi.org/10.1016/S1359-0286(01)00013-4

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130.  Smith, S.; Dhere, R.; Ramanathan, K.; Mascarenhas, A. (2001). Nano-scale Optical Spectroscopy of PV Materials: Preprint. 4 pp.; NREL Report No. CP-520-31009.

131.  Seong, M. J.; Mascarenhas, A.; Geisz, J. F. (2001). Gamma-L-X Mixed Symmetry of Nitrogen-Induced States in GaAs1-xNx Probed by Resonant Raman Scattering. Applied Physics Letters. Vol. 79(9), 27 August 2001; pp. 1297-1299; NREL Report No. JA-590-31100. http://dx.doi.org/10.1063/1.1399010

132.  Seong, M. J.; Hanna, M. C.; Mascarenhas, A. (2001). Composition Dependence of Raman Intensity of the Nitrogen Localized Vibrational Mode in GaAs1-xNx. Applied Physics Letters. Vol. 79(24), 10 December 2001; pp. 3974-3976; NREL Report No. JA-590-31849. http://dx.doi.org/10.1063/1.1424469

133.  Smith, S.; Dhere, R.; Ramanathan, K.; Mascarenhas, A. (2001). Nano-Scale Optical Spectroscopy of PV Materials. Proceedings of the 2001 NCPV Program Review Meeting, 14-17 October 2001, Lakewood, Colorado (CD-ROM). NREL/EL-520-31065. Golden, CO: National Renewable Energy Laboratory 2 pp.; NREL Report No. CP-520-34084.

134.  Zhang, Y.; Mascarenhas, A.; Wang, L. W. (2001). Dependence of the Band Structure on the Order Parameter for Partially Ordered GaxIn1-xP Alloys. Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(20), 2001; 4 pp.; NREL Report No. JA-590-30628. http://dx.doi.org/10.1103/PhysRevB.63.201312

135.  Mascarenhas, A.; Cheong, H. M.; Alsina, F.; Geisz, J. F.; Olson, J. M. (2001). Reply to "Comment on 'Phonon Modes in Spontaneously Ordered GaInP2 Studied by Micro-Raman Measurements'". Article No. 247202. Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(24), 2001; 2 pp.; NREL Report No. JA-590-31093. http://dx.doi.org/10.1103/PhysRevB.63.247202

136.  Zhang, Y.; Mascarenhas, A. (2001). Statistical Aspects of Electronic and Structural Properties in Partially Ordered Semiconductor Alloys (Article No. 125207). Physical Review, B. Condensed Matter and Materials Physics. Vol. 64(12), 2001; 5 pp.; NREL Report No. JA-590-31819. http://dx.doi.org/10.1103/PhysRevB.64.125207

137.  Zhong, Z.; Li, J. H.; Kulik, J.; Chow, P. C.; Norman, A. G.; Mascarenhas, A.; Bai, J.; Golding, T. D.; Moss, S. C. (2001). Quadruple-Period Ordering Along [110] in a GaAs0.87Sb0.13 Alloy. (Article No. 033314). Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(3), 15 January 2001; 4 pp.; NREL Report No. JA-590-29967. http://dx.doi.org/10.1103/PhysRevB.63.033314

138.  Li, J. H.; Holy, V.; Zhong, Z.; Kulik, J.; Moss, S. C.; Norman, A. G.; Mascarenhas, A.; Reno, J. L.; Follstaedt, D. M. (2001). X-Ray Analysis of Spontaneous Lateral Modulation in (InAs)n/(AlAs)m Short-Period Superlattices. Applied Physics Letters. Vol. 78(2), 8 January 2001; pp. 219-221; NREL Report No. JA-590-29902. http://dx.doi.org/10.1063/1.1338499

139.  Lee, S. H.; Cheong, H. M.; Tracy, C. E.; Mascarenhas, A.; Pitts, R.; Jorgensen, G.; Deb, S. K. (2001). Influence of Microstructure on the Chemical Diffusion of Lithium Ions in Amorphous Lithiated Tungsten Oxide Films. Electrochimica Acta. Vol. 46(22), 1 August 2001; pp. 3415-3419; NREL Report No. JA-590-31089. http://dx.doi.org/10.1016/S0013-4686(01)00541-2

140.  Zhang, Y.; Mascarenhas, A. (2001). Effects of the Orientational Superlattice on the Electronic and Vibrational Properties of CuPt Ordered GaInP Alloys. Journal of Raman Spectroscopy. Vol. 32, 2001; pp. 831-834; NREL Report No. JA-590-31858. http://dx.doi.org/10.1002/jrs.766

141.  Mascarenhas, A.; Zhang, Y.; Seong, M. J. (2001). Perspective of GaAs1-xNx and GaPxN1-x as Heavily Doped Semiconductors. Physica Status Solidi B - Basic Research. Vol. 228, 2001; pp. 243-252; NREL Report No. JA-590-31808. http://dx.doi.org/10.1002/1521-3951(200111)228:1<243::AID-PSSB243>3.0.CO;2-Z

142.  Mascarenhas, A.; Zhang, Y.; Verley, J.; Seong, M. J. (2001). Overcoming Limitations in Semiconductor Alloy Design. Superlattices and Microstructures. Vol. 29(6), June 2001; pp. 395-404; NREL Report No. JA-590-30273. http://dx.doi.org/10.1006/spmi.2001.0984

143.  Lee, S. H.; Cheong, H. M.; Liu, P.; Smith, D.; Tracy, C. E.; Mascarenhas, A.; Pitts, J. R.; Deb, S. K. (2001). Raman Spectroscopic Studies of Gasochromic a-WO3 Thin Films. Electrochimica Acta. Vol. 46(13-14), 2 April 2001; pp. 1995-1999; NREL Report No. JA-590-30615. http://dx.doi.org/10.1016/S0013-4686(01)00379-6

144.  Li, J. H.; Kulik, J.; Holy, V.; Zhong, Z.; Moss, S. C.; Zhang, Y.; Ahrenkiel, S. P.; Mascarenhas, A.; Bai, J. (2001). X-Ray Diffraction from CuPt-Ordered III-V Ternary Semiconductor Alloy Films. (Article No. 155310). Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(15), 2001; 11 pp.; NREL Report No. JA-520-30625. http://dx.doi.org/10.1103/PhysRevB.63.155310

145.  Lee, S. H.; Cheong, H. M.; Park, N. G.; Tracy, C. E.; Mascarenhas, A.; Benson, D. K.; Deb, S. K. (2001). Raman Spectroscopic Studies of Ni-W Oxide Thin Films. Solid State Ionics. Vol. 140, 2001; pp. 135-139; NREL Report No. JA-520-30635. http://dx.doi.org/10.1016/S0167-2738(01)00707-X

146.  Zhang, Y.; Mascarenhas, A.; Geisz, J. F.; Xin, H. P.; Tu, C. W. (2001). Discrete and Continuous Spectrum of Nitrogen-Induced Bound States in Heavily Doped GaAs1-xNx. (Article No. 085205). Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(8), 2001; 8 pp.; NREL Report No. JA-590-30627. http://dx.doi.org/10.1103/PhysRevB.63.085205

147.  Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2001). Scaling of Band-Gap Reduction in Heavily Nitrogen Doped GaAs. Physical Review. B, Condensed Matter and Materials Physics. Vol. 63(16), 2001; 4 pp.; NREL Report No. JA-590-30629. http://dx.doi.org/10.1103/PhysRevB.63.161303

148.  Zhang, Y.; Fluegel, B.; Ahrenkiel, S. P.; Friedman, D. J.; Geisz, J. F.; Olson, J. M.; Mascarenhas, A. (2000). Electronic and Optical Properties of Orientational Superlattices in GaInP Alloys. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 255-260; NREL Report No. CP-590-29976.

149.  Cheong, H. M.; Zhang, Y.; Norman, A. G.; Perkins, J. D.; Mascarenhas, A.; Cheng, K. Y.; Hsieh, K. C. (2000). Profiling Composition Variations in Composition-Modulated GaP/InP Short-Period Superlattices Using Resonance Raman Scattering. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 361-366; NREL Report No. CP-590-29980.

150.  Forrest, R. L.; Meserole, E. D.; Nielsen, R. T.; Goorsky, M. S.; Zhang, Y.; Mascarenhas, A.; Hanna, M.; Francoeur, S. (2000). Single and Double Variant CuPt-B Ordered GaInAs. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 249-254; NREL Report No. CP-590-29975.

151.  Ahrenkiel, S. P.; Jones, K. M.; Matson, R. J.; Al-Jassim, M. M.; Zhang, Y.; Mascarenhas, A.; Friedman, D. J.; Arent, D. J.; Olson, J. M.; Hanna, M. C. (2000). CuPt-B Ordered Microstructures in GaInP and GaInAs Films. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 243-248; NREL Report No. CP-590-29974.

152.  Ahrenkiel, R. K.; Mascarenhas, A.; Johnston, S. W.; Zhang, Y.; Friedman, D. J.; Vernon, S. M. (2000). Photoconductive Properties of GaAs1-xNx Double Heterostructures as a Function of Excitation Wavelength. Manasreh, M. O., et al., eds. Infrared Applications of Semiconductors III: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 607. Warrendale, PA: Materials Research Society pp. 265-271; NREL Report No. CP-520-29017.

153.  Hanna, M. C.; Cheong, H. M.; Mascarenhas, A. (2000). Initial Stages of Growth of Ordered GaInP and GaInAs Grown by Metal Organic Vapor Phase Epitaxy. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 283-288; NREL Report No. CP-590-29977.

154.  Norman, A. G.; Ahrenkiel, S. P.; Moutinho, H. R.; Ballif, C.; Al-Jassim, M. M.; Mascarenhas, A.; Follstaedt, D. M.; Lee, S. R.; Reno, J. L.; Jones, E. D.; Mirecki-Millunchick, J.; Twesten, R. D. (2000). Nature and Origin of Lateral Composition Modulations in Short-Period Strained-Layer Superlattices. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 297-313; NREL Report No. CP-590-29978.

155.  Alsina, F.; Cheong, H. M.; Mestres, N.; Pascual, J.; Mascarenhas, A. (2000). CuPt Ordering Signatures of Phonons in GaInP2. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 223-234; NREL Report No. CP-590-29972.

156.  Xin, H. P.; Tu, C. W.; Zhang, Y.; Mascarenhas, A. (2000). Effects of Nitrogen on the Band Structure of GaNxP1-x Alloys. Applied Physics Letters. Vol. 76(10), 6 March 2000; pp. 1267-1269; NREL Report No. 28279. http://dx.doi.org/10.1063/1.126005

157.  Follstaedt, D. M.; Reno, J. L.; Jones, E. D.; Lee, S. R.; Norman, A. G.; Moutinho, H. R.; Mascarenhas, A.; Twesten, R. D. (2000). Effect of Surface Steps on the Microstructure of Lateral Composition Modulation. Applied Physics Letters. Vol. 77(5), 31 July 2000; pp. 669-671; NREL Report No. JA-590-29061. http://dx.doi.org/10.1063/1.127080

158.  Pennycook, S. J.; Yan, Y.; Norman, A.; Zhang, Y.; Al-Jassim, M.; Mascarenhas, A.; Ahrenkiel, S. P.; Chisholm, M. F.; Duscher, G.; Pantelides, S. T. (2000). Atomic-Resolution Z-Contrast Imaging and Its Application to Compositional Ordering and Segregation. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp.235-242; NREL Report No. CP-590-29973.

159.  Cheong, H. M.; Zhang, Y.; Mascarenhas, A.; Geisz, J. F. (2000). Nitrogen-Induced Levels in GaAs1-xNx Studied with Raman Scattering. Physical Review. B, Condensed Matter. Vol. 61(20), 15 May 2000-II; pp. 13687 - 13690; NREL Report No. JA-590-29074. http://dx.doi.org/10.1103/PhysRevB.61.13687

160.  Francoeur, S.; Zhang, Y.; Norman, A. G.; Alsina, F.; Mascarenhas, A.; Reno, J. L.; Jones, E. D.; Lee, S. R.; Follstaedt, D. M. (2000). Optical Properties of Spontaneous Lateral Composition Modulation in AlAs/InAs Short-Period Superlattices. Applied Physics Letters. Vol. 77(12), 18 September 2000; pp. 1765-1767; NREL Report No. JA-590-29553. http://dx.doi.org/10.1063/1.1311598

161.  Zhang, Y.; Mascarenhas, A.; Smith, S.; Geisz, J. F.; Olson, J. M.; Hanna, M. (2000). Effects of Spontaneous Ordering and Alloy Statistical Fluctuations on Exciton Linewidth in GaxIn1-xP Alloys. Physical Review. B, Condensed Matter. Vol. 61(15), 15 April 2000-I; pp. 9910-9912; NREL Report No. JA-590-28686. http://dx.doi.org/10.1103/PhysRevB.61.9910

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162.  Ahrenkiel, S. P.; Jones, K. M.; Matson, R. J.; Al-Jassim, M. M.; Zhang, Y.; Mascarenhas, A.; Friedman, D. J.; Arent, D. J.; Olson, J. M.; Hanna, M. C. (2000). CuPt-B Ordered Microstructures in GaInP and GaInAs Films. 9 pp.; NREL Report No. CP-520-27699.

163.  Zhang, Y.; Mascarenhas, A. (2000). Isoelectronic Impurity States in GaAs:N. Physical Review. B, Condensed Matter. Vol. 61(23), 15 June 2000-I; pp. 15562-15564; NREL Report No. JA-590-29075. http://dx.doi.org/10.1103/PhysRevB.61.15562

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164.  Dhere, R.; Cheong, M.; Smith, S.; Albin, D.; Mascarenhas, A.; Gessert, T. A. (2000). Micro-PL Studies of Polycrustalline CdS/CdTe Interfaces. Program and Proceedings: NCPV Program Review Meeting 2000, 16-19 April 2000, Denver, Colorado. NREL/BK-520-28064. Golden, CO: National Renewable Energy Laboratory pp. 281-282; NREL Report No. CP-520-28225.

165.  Cheong, H. M.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M. (2000). Resonant Raman Scattering in Spontaneously Ordered GaInP2. Physical Review. B, Condensed Matter. Vol. 62(3), 15 July 2000-I; pp. 1536-1539; NREL Report No. JA-590-29077. http://dx.doi.org/10.1103/PhysRevB.62.1536

166.  Zhang, Y.; Mascarenhas, A. (2000). Formation of an Impurity Band and its Quantum Confinement in Heavily Doped GaAs:N. Physical Review. B, Condensed Matter. Vol. 61(11), 15 March 2000-I; pp. 7479-7482; NREL Report No. JA-590-28687. http://dx.doi.org/10.1103/PhysRevB.61.7479

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167.  Norman, A. G.; Ahrenkiel, S. P.; Moutinho, H. R.; Ballif, C.; Al-Jassim, M. M.; Mascarenhas, A.; Follstaedt, D. M.; Lee, S. R.; Reno, J. L.; Jones, E. D.; Mirecki-Millunchick, J.; Twesten, R. D. (2000). Nature and Origin of Lateral Composition Modulations in Short-Period Strained-Layer Superlattices. 20 pp.; NREL Report No. CP-520-27811.

168.  Zhang, Y.; Mascarenhas, A.; Deb, S. K. (2000). Heavily Nitrogen-Doped III-V Semiconductors for High-Efficiency Solar Cells. Conference Record of the Twenty-Eighth IEEE Photovoltaic Specialists Conference--2000, 15-22 September 2000, Anchorage, Alaska. Piscataway, NJ: Institute of Electrical and Electronics Engineers, Inc. pp. 1189-1192; NREL Report No. CP-590-28918.

169.  Cheong, H. M.; Lee, S. H.; Nelson, B. P.; Mascarenhas, A.; Deb, S. K. (2000). Light-Induced Long-Range Hydrogen Motion in Hydrogenated Amorphous Silicon at Room Temperature. Applied Physics Letters. Vol. 77(17), 23 October 2000; pp. 2686-2688; NREL Report No. JA-590-29548. http://dx.doi.org/10.1063/1.1320015

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170.  Ahrenkiel, R. K.; Mascarenhas, A.; Johnston, S. W.; Zhang,Y.; Friedman, D. J.; Vernon, S. M. (2000). Photoconductive Properties of GaAs1-xNx Double Heterostructures as a Function of Excitation Wavelength. 10 pp.; NREL Report No. CP-520-27634.

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171.  Narayanamurti, V.; Kozhevnikov, M.; Xin, H. P.; Tu, C. W.; Mascarenhas, A.; Zhang, Y. (2000). Nitrogen-Induced Evolution of GaAs1-xNx Studied by Ballistic Electron Emission Spectroscopy. Addendum to the Proceedings: NCPV Program Review Meeting 2000, 16-19 April 2000, Denver Colorado. NREL/BK-520-28064. Golden, CO: National Renewable Energy Laboratory pp. 7-8; NREL Report No. CP-590-29673.

172.  Mascarenhas, A.; Follstaedt, D.; Suzuki, T.; Joyce, B. (2000). Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society 390 pp.; NREL Report No. BK-590-29969.

173.  Follstaedt, D. M.; Lee, S. R.; Reno, J. L.; Jones, E. D.; Twesten, R. D.; Norman, A. G.; Ahrenkiel, S. P.; Moutinho, H. R.; Mascarenhas, A.; Mirecki-Millunchick, J. (2000). Reciprocal-Space and Real-Space Analyses of Compositional Modulation in InAs/AlAs Short-Period Superlattices. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 333-347; NREL Report No. CP-590-29979.

174.  Hanna, M. C.; Cheong, H. M.; Mascarenhas, A. (2000). Initial Stages of Growth of CuPt/sub B/ Ordered Ga0.52In0.48P/GaAs and Ga0.47In0.53As/InP. Applied Physics Letters. Vol. 76(8), 21 February 2000; pp. 997-999; NREL Report No. 28228. http://dx.doi.org/10.1063/1.125918

175.  Smith, S.; Mascarenhas, A.; Olson, J. M.; Kazmerski, L. L. (2000). Spatially Resolved Photoluminescence in Spontaneously-Ordered GaInP2. Mascarenhas, A., et al., eds. Self-Organized Processes in Semiconductor Alloys: Proceedings of the Materials Research Society Symposium, 29 November - 2 December 1999, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 583. Warrendale, PA: Materials Research Society pp. 211-216; NREL Report No. CP-590-29971.

176.  Karazhanov, S. Zh.; Zhang, Y.; Mascarenhas, A.; Deb, S. (2000). Effect of Excitons on CdTe Solar Cells. Journal of Applied Physics. Vol. 87(12), 15 June 2000; pp. 8786-8792; NREL Report No. JA-590-27624. http://dx.doi.org/10.1063/1.373611

177.  Zhang, Y.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2000). Valence-Band Splitting and Shear Deformation Potential of Dilute GaAs1-xNx Alloys. Physical Review. B, Condensed Matter. Vol. 61(7), 15 February 2000-I; pp. 4433-4436; NREL Report No. 28313. http://dx.doi.org/10.1103/PhysRevB.61.4433

178.  Lee, S. H.; Cheong, H. M.; Tracy, C. E.; Mascarenhas, A.; Pitts, J. R.; Jorgensen, G.; Deb, S. K. (2000). Alternating Current Impedance and Raman Spectroscopic Study on Electrochromic a-WO3 Films. Applied Physics Letters. Vol. 76(26), 26 June 2000; pp. 3908-3910; NREL Report No. JA-590-29059. http://dx.doi.org/10.1063/1.126817

179.  Lee, S. H.; Cheong, H. M.; Liu, P.; Smith, D.; Tracy, C. E.; Mascarenhas, A.; Pitts, J. R.; Deb, S. K. (2000). Gasochromic Mechanism in a-WO3 Thin Films Based on Raman Spectroscopic Studies. Journal of Applied Physics. Vol. 88(5), 1 September 2000; pp. 3076-3078; NREL Report No. JA-590-29047. http://dx.doi.org/10.1063/1.1287407

180.  Zhang, Y.; Fluegel, B.; Mascarenhas, A.; Xin, H. P.; Tu, C. W. (2000). Optical Transitions in the Isoelectronically Doped Semiconductor GaP:N: An Evolution from Isolated Centers, Pairs, and Clusters to an Impurity Band. Physical Review. B, Condensed Matter. Vol. 62(7), 15 August 2000-I; pp. 4493-4500; NREL Report No. JA-590-29078. http://dx.doi.org/10.1103/PhysRevB.62.4493

181.  Kozhevnikov, M.; Narayanamurti, V.; Reddy, C. V.; Xin, H. P.; Tu, C. W.; Mascarenhas, A.; Zhang, Y. (2000). Evolution of GaAs1-xNx Conduction States and Giant Au/GaAs1-xNx Schottky Barrier Reduction Studied by Ballistic Electron Emission Spectroscopy. Physical Review. B, Condensed Matter. Vol. 61(12), 15 March 2000-II; pp. R7861-R7864; NREL Report No. JA-590-28685. http://dx.doi.org/10.1103/PhysRevB.61.R7861

182.  Zhang, Y.; Mascarenhas, A. (1999). Scaling of Exciton Binding Energy and Virial Theorem in Semiconductor Quantum Wells and Wires. Physical Review. B, Condensed Matter. Vol. 59(3), 15 January 1999-I; pp. 2040-2044; NREL Report No. 26104. http://dx.doi.org/10.1103/PhysRevB.59.2040

183.  Kao, Y. H.; Kazmerski, L.; Lynn, K. G.; Mascarenhas, A. (1999). Photovoltaics Characterization: An Overview. Benner, J.; Deb, S.; McConnell, R., eds. Workshop on Basic Research Opportunities in Photovoltaics: Proceedings of the Workshop Held in Conjunction with the 195th Meeting of the Electrochemical Society, 3 May 1999, Seattle, Washington. NREL/BK-590-26952. Golden, CO: National Renewable Energy Laboratory pp. 91-102; NREL Report No. 27177.

184.  Zhang, Y.; Mascarenhas, A.; Ahrenkiel, S. P.; Friedman, D. J.; Geisz, J. F.; Olson, J. M. (1999). Electronic and Optical Properties of Periodically Stacked Orientational Domains in CuPt-Ordered GaInP2. Solid State Communications. Vol. 109, 1999; pp. 99-103; NREL Report No. 26052. http://dx.doi.org/10.1016/S0038-1098(98)00521-3

185.  Fluegel, B.; Zhang, Y.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M.; Duda, A. (1999). Crystal Anisotropy and Spin-Polarized Photoluminescence of Ordered GaxIn1-xP. Physical Review. B, Condensed Matter. Vol. 60(16), 15 October 1999; pp. R11,261 - R11,264; NREL Report No. 27888. http://dx.doi.org/10.1103/PhysRevB.60.R11261

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186.  Kao, Y. H.; Kazmerski, L.; Lynn, K. G.; Mascarenhas, A. (1999). Photovoltaics Characterization: An Overview; Preprint. 14 pp.; NREL Report No. CP-520-29591.

187.  Lee, S. H.; Cheong, H. M.; Tracy, C. E.; Mascarenhas, A.; Benson, D. K.; Deb, S. K. (1999). Raman Spectroscopic Studies of Electrochromic a-WO3. Electrochimica Acta. Vol. 44, 1999; pp. 3111-3115; NREL Report No. CP-590-25349. http://dx.doi.org/10.1016/S0013-4686(99)00027-4

188.  Cheong, H. M.; Zhang, Y.; Norman, A. G.; Perkins, J. D.; Mascarenhas, A. (1999). Resonance Raman Scattering Studies of Composition-Modulated GaP/InP Short-Period Superlattices. Physical Review. B, Condensed Matter. Vol. 60(7), 15 August 1999; pp. 4883-4888; NREL Report No. 27889. http://dx.doi.org/10.1103/PhysRevB.60.4883

189.  Perkins, J. D.; Mascarenhas, A.; Zhang, Y.; Geisz, J. F.; Friedman, D. J.; Olson, J. M.; Kurtz, S. R. (1999). Nitrogen-Activated Transitions, Level Repulsion, and Band Gap Reduction in GaAs1-xNx with x<0.03. Physical Review Letters. Vol. 82(16), 19 April 1999; pp. 3312-3315; NREL Report No. 26570. http://dx.doi.org/10.1103/PhysRevLett.82.3312

190.  Smith, S.; Cheong, H. M.; Fluegel, B. D.; Geisz, J. F.; Olson, J. M.; Dhere, R.; Kazmerski, L. L.; Mascarenhas, A (1999). Excitons and Recombination in Photovoltaic Materials. Al-Jassim, M.; Thornton, J. P.; Gee, J. M., eds. NCPV Photovoltaics Program Review: Proceedings of the 15th Conference, 9-11 September 1998, Denver, Colorado. AIP Conference Proceedings 462. Woodbury, NY: American Institute of Physics pp. 467-472; NREL Report No. 27421.

191.  Kao, Y. H.; Kazmerski, L.; Lynn, K. G.; Mascarenhas, A. (1999). Photovoltaics Characterization: An Overview. Kapur, V. K., et al., eds. Photovoltaics for the 21st Century: Proceedings of the Electrochemical Society International Symposium, May 1999, Seattle, Washington. Electrochemical Society Proceedings, Vol. 99-11. Pennington, NJ: The Electrochemical Society, Inc. pp. 289-300; NREL Report No. CP-520-29579.

192.  Smith, S.; Cheong, H. M.; Fluegel, B. D.; Geisz, J. F.; Olson, J. M.; Kazmerski, L. L.; Mascarenhas, A. (1999). Spatially Resolved Photoluminescence in Partially Ordered GaInP2. Applied Physics Letters. Vol. 74(5), 1 February 1999; pp. 706-708; NREL Report No. 26078. http://dx.doi.org/10.1063/1.123189

193.  Lee, S. H.; Cheong, H. M.; Zhang, J. G.; Mascarenhas, A.; Benson, D. K.; Deb, S. K. (1999). Electrochromic Mechanism in a-WO3-y Thin Films. Applied Physics Letters. Vol. 74(2), 11 January 1999; pp. 242-244; NREL Report No. 26051. http://dx.doi.org/10.1063/1.123268

194.  Twesten, R. D.; Follstaedt, D. M.; Lee, S. R.; Jones, E. D.; Reno, J. L.; Mirecki Millunchick, J.; Norman, A. G.; Ahrenkiel, S. P.; Mascarenhas, A. (1999). Characterizing Composition Modulations in InAs/AlAs Short-Period Superlattices. Physical Review. B, Condensed Matter. Vol. 60(19), 15 November 1999; pp. 13,619-13,635; NREL Report No. 27884. http://dx.doi.org/10.1103/PhysRevB.60.13619

195.  Kozhevnikov, M.; Narayanamurti , V.; Mascarenhas, A.; Zhang, Y.; Olson , J. M.; Smith, D. L. (1999). Ordering-Induced Band Structure Effects in GaInP2 Studied by Ballistic Electron Emission Microscopy. Applied Physics Letters. Vol. 75(8), 23 August 1999; pp. 1128-1130; NREL Report No. 27875. http://dx.doi.org/10.1063/1.124618

196.  Lee, S. H.; Cheong, H. M.; Tracy, C. E.; Mascarenhas, A.; Czanderna, A. W.; Deb, S. K. (1999). Electrochromic Coloration Efficiency of a-WO3-y Thin Films as a Function of Oxygen Deficiency. Applied Physics Letters. Vol. 75(11), 13 September 1999; pp. 1541-1543; NREL Report No. 27804. http://dx.doi.org/10.1063/1.124782

197.  Park, N. G.; Schlichthorl, G.; van de Lagemaat, J.; Cheong, H. M.; Mascarenhas, A.; Frank, A. J. (1999). Dye-Sensitized TiO2 Solar Cells: Structural and Photoelectrochemical Characterization of Nanocrystalline Electrodes Formed from the Hydrolysis of TiCl4. Journal of Physical Chemistry B. Vol. 103, 1999; pp. 3308-3314; NREL Report No. 26569. http://dx.doi.org/10.1021/jp984529i

198.  Jones, E. D.; Follstaedt, D. M.; Lee, S. R.; Reno, J. L.; Mirecki Millunchick, J.; Ahrenkiel, S. P.; Mascarenhas, A.; Norman, A. G.; Zhang, Y.; Twesten, R. D. (1999). Photoluminescence Studies of Lateral Composition Modulated Short-Period AlAs/InAs Superlattices. Thin Solid Films. Vol. 357, December 1999; pp. 31-34; NREL Report No. 28211. http://dx.doi.org/10.1016/S0040-6090(99)00470-8

199.  Cheong, H. M.; Ahrenkiel, S. P.; Hanna, M. C.; Mascarenhas, A. (1998). Phonon Signatures of Spontaneous CuPt Ordering in Ga0.47In0.53As/InP. Applied Physics Letters. Vol. 73(18), 2 November 1998; pp. 2648-2650; NREL Report No. 26053. http://dx.doi.org/10.1063/1.122541

200.  Zhang, Y.; Mascarenhas, A. (1998). Scaling of Exciton Binding Energy in Semiconductor Quantum Wells and Wires. Williams, R. T.; Yen, W. M., eds. Proceedings of the Third International Conference on Excitonic Processes in Condensed Matter (EXCON '98), 1-5 November 1998, Boston, Massachusetts. Proceedings Vol. 98-25. Pennington, NJ: The Electrochemical Society, Inc. pp. 222-227; NREL Report No. CP-29080.

201.  Forrest, R. L.; Golding, T. D.; Moss, S. C.; Zhang, Z.; Geisz, J. F.; Olson, J. M.; Mascarenhas, A.; Ernst, P.; Geng, C. (1998). X-ray Diffraction and Excitation Photoluminescence Analysis of Ordered GaInP. Physical Review. B, Condensed Matter. Vol. 58(23), 15 December 1998-I; pp. 15,355-15,358; NREL Report No. 26055. http://dx.doi.org/10.1103/PhysRevB.58.15355

202.  Cheong, H. M.; Mascarenhas, A.; Ahrenkiel, S. P.; Jones, K. M.; Geisz, J. F.; Olson, J. M. (1998). Effect of Microstructure on Excitonic Luminescence of Spontaneously Ordered Ga0.52In0.48P Alloys. Journal of Applied Physics. Vol. 83(10), 15 May 1998; pp. 5418-5420; NREL Report No. 25658. http://dx.doi.org/10.1063/1.367371

203.  Cheong, H. M.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M.; Keller, M. W.; Wendt, J. R. (1998). Statistical Distribution of the Order Parameter in Spontaneously Ordered Ga0.52In0.48P Alloys. Physical Review. B, Condensed Matter. Vol. 57(16), 15 April 1998-II; pp. R9400-R9403; NREL Report No. 25643. http://dx.doi.org/10.1103/PhysRevB.57.R9400

204.  Norman, A. G.; Ahrenkiel, S. P.; Moutinho, H.; Al-Jassim, M.M.; Mascarenhas, A.; Mullunchik, J. M.; Lee, S. R.; Twesten, R. D.; Follstaedt, D. M.; Jones, E. D. (1998). Influence of Strain on Spontaneous Lateral Composition Modulations in MBE (InAs)n(AlAs)m Short Period Superlattices. Calderon Benavides, H. A.; Jose Yacaman, M., eds. Electron Microscopy 1998: Proceedings of the 14th International Congress on Electron Microscopy, 31 August - 4 September 1998, Cancun, Mexico. Vol. III; Materials Sciences 2. United Kingdom: Institute of Physics (IOP) pp. 411-412; NREL Report No. CP-590-32649.

205.  Ahrenkiel, S. P.; Norman, A. G.; Al-Jassim, M. M.; Mascarenhas, A. (1998). Laterally Modulated Composition Profiles in AlAs/InAs Short-Period Superlattices. Journal of Applied Physics. Vol. 84(11), 1 December 1998; pp. 6088-6094; NREL Report No. JA-520-24623. http://dx.doi.org/10.1063/1.368921

206.  Ahrenkiel, S. P.; Norman, A. G.; Jones, K. M.; Matson, R. J.; Al-Jassim, M. M.; Zhang, Y.; Cheong, H. M.; Mascarenhas, A.; Friedman, D. J.; Arent, D. J.; Oson, J. M.; Hanna, M. C. (1998). Comparison of Ordered Domain Structures in GaInP and GaInAs Alloys. Calderon Benavides, H. A.; Yacaman, M. J., eds. Electron Microscopy 1998: Proceedings of the 14th International Congress (ICEM-14), 31 August - 4 September 1998, Cancun, Mexico. Bristol: Institute of Physics Pub Vol. 3: pp. 419-420; NREL Report No. 27861.

207.  Cheong, H. M.; Zhang, Y.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M. (1998). Low-Temperature Cleaved-Edge Polarized-Photoluminescence Studies of Spontaneously Ordered GaInP2 Alloys. Journal of Applied Physics. Vol. 83(3), 1 February 1998; pp. 1773-1775; NREL Report No. 24510. http://dx.doi.org/10.1063/1.366898

208.  Zhang, Y.; Mascarenhas, A.; Deb, S. (1998). Effects of Excitons on Solar Cells. Journal of Applied Physics. Vol. 84(7), 1 October 1998; pp. 3966-3971; NREL Report No. JA-590-24678. http://dx.doi.org/10.1063/1.368575

209.  Jones, E. D.; Millunchick, J. M.; Follstaedt, D.; Lee, S.; Reno, J.; Twesten, R. D.; Zhang, Y.; Mascarenhas, A. (1998). Detection of Lateral Composition Modulation by Magnetoexciton Spectroscopy. Physica E. Vol. 2, 1998; pp. 44-48; NREL Report No. 25657. http://dx.doi.org/10.1016/S1386-9477(98)00011-3

210.  Fluegel, B.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M. (1998). Second Harmonic Generation in Ordered Ga1-xInxP. Physical Review. B, Condensed Matter. Vol. 57(12), 15 March 1998-II; pp. R6787-R6790; NREL Report No. 25642. http://dx.doi.org/10.1103/PhysRevB.57.R6787

211.  Zhang, Y.; Mascarenhas, A. (1998). Electronic and Optical Properties of Laterally Composition-Modulated AlxIn1-xAs, GaxIn1-xP, and GaxIn1-xAs Alloys. Physical Review. B, Condensed Matter. Vol. 57(19), 15 May 1998-I; pp. 12245-12254; NREL Report No. 25641. http://dx.doi.org/10.1103/PhysRevB.57.12245

212.  Perkins, J. D.; Zhang, Y.; Geisz, J. F.; McMahon, W. E.; Olson, J. M.; Mascarenhas, A. (1998). Electroreflectance Measurements of Electric Fields in Ordered GaInP2. Journal of Applied Physics. Vol. 84(8), 15 October 1998; pp. 4502-4508; NREL Report No. 26080. http://dx.doi.org/10.1063/1.368675

213.  Norman, A. G.; Ahrenkiel, S. P.; Moutinho, H.; Al-Jassim, M. M.; Mascarenhas, A.; Mirecki Millunchick, J.; Lee, S. R.; Twesten, R. D.; Follstaedt, D. M.; Reno, J. L.; Jones, E. D. (1998). Strain-Dependent Morphology of Spontaneous Lateral Composition Modulations in (AlAs)m(InAs)n Short Period Superlattices Grown by Molecular Beam Epitaxy. Applied Physics Letters. Vol. 73(13), 28 September 1998; pp. 1844-1846; NREL Report No. JA-520-24776. http://dx.doi.org/10.1063/1.122301

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215.  Follstaedt, D. M.; Twesten, R. D.; Mirecki Millunchick, J.; Lee, S. R.; Jones, E. D.; Ahrenkiel, S. P.; Zhang, Y.; Mascarenhas, A. (1998). Spontaneous Lateral Composition Modulation in InAlAs and InGaAs Short-Period Superlattices. Physica E. Vol. 2, 1998; pp. 325-329; NREL Report No. 26103. http://dx.doi.org/10.1016/S1386-9477(98)00068-X

216.  Cheong, H. M.; Fluegel, B.; Hanna, M. C.; Mascarenhas, A. (1998). Photoluminescence Up-Conversion in GaAs/AlxGa1-xAs Heterostructures. Physical Review. B, Condensed Matter. Vol. 58(8), 15 August 1998-II; pp. R4254-R4257; NREL Report No. 26054. http://dx.doi.org/10.1103/PhysRevB.58.R4254

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221.  Fluegel, B.; Zhang, Y.; Cheong, H. M.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M.; Duda, A. (1997). Exciton Absorption Bleaching Studies in Ordered GaxIn1-xP. Physical Review. B, Condensed Matter. Vol. 55(20), 15 May 1997-II; pp. 13,647-13,650; NREL Report No. 24288. http://dx.doi.org/10.1103/PhysRevB.55.13647

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224.  Luo, J. S.; Olson, J. M.; Zhang, Y.; Mascarenhas, A. (1997). Near-Band-Gap Reflectance Anisotropy in Ordered Ga0.5In0.5P. Physical Review. B, Condensed Matter. Vol. 55(24), 15 June 1997-II; pp. 16,385-16,389; NREL Report No. JA-540-23887. http://dx.doi.org/10.1103/PhysRevB.55.16385

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226.  Micic, O. I.; Cheong, H. M.; Fu, H.; Zunger, A.; Sprague, J. R.; Mascarenhas, A.; Nozik, A. J. (1997). Size-Dependent Spectroscopy of InP Quantum Dots. Journal of Physical Chemistry B. Vol. 101(25), 1997; pp. 4904-4912; NREL Report No. TP-450-22654. http://dx.doi.org/10.1021/jp9704731

227.  Millunchick, J. M.; Twesten, R. D.; Follstaedt, D. M.; Lee, S. R.; Jones, E. D.; Zhang, Y.; Ahrenkiel, S. P.; Mascarenhas, A. (1997). Lateral Composition Modulation in AlAs/InAs Short Period Superlattices Grown on InP(001). Applied Physics Letters. Vol. 70(11), 17 March 1997; pp. 1402-1404; NREL Report No. JA-450-23343. http://dx.doi.org/10.1063/1.118589

228.  Zhang, Y.; Mascarenhas, A. (1997). Orientational Superlattices Formed by CuPt-Ordered Zinc-Blende Semiconductor Alloys. Physical Review. B, Condensed Matter. Vol. 55(19), 15 May 1997-I; pp. 13,100-13,110; NREL Report No. TP-451-21505. http://dx.doi.org/10.1103/PhysRevB.55.13100

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230.  Ernst, P.; Zhang, Y.; Driessen, F.A.J.M.; Mascarenhas, A.; Jones, E.D.; Geng, C.; Scholz, F.; Schweizer, H. (1997). Magnetoluminescence Study on the Effective Mass Anisotropy of CuPtB-ordered GaInP2 Alloys. Journal of Applied Physics. Vol. 81(6), 15 March 1997; pp. 2814-2817; NREL Report No. TP-451-21605. http://dx.doi.org/10.1063/1.363938

231.  Cheong, H. M.; Alsina, F.; Mascarenhas, A.; Geisz, J. F.; Olson, J. M. (1997). Phonon Modes in Spontaneously Ordered GaInP2 Studied by Micro-Raman Scattering Measurements. Physical Review. B, Condensed Matter. Vol. 56(4), 15 July 1997-II; pp. 1888-1892; NREL Report No. 24431. http://dx.doi.org/10.1103/PhysRevB.56.1888

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238.  Froyen, S.; Zunger, A.; Mascarenhas, A. (1996). Polarization Fields and Band Offsets in GaInP/GaAs and Ordered/Disordered GaInP Superlattices. Applied Physics Letters. Vol. 68(20), 13 May 1996; pp. 2852-2854; NREL Report No. 20500. http://dx.doi.org/10.1063/1.116346

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242.  Driessen, F. A. J. M.; Cheong, H. M.; Mascarenhas, A.; Hageman, P. R.; Bauhuis, G. J. (1996). Interface-Induced Conversion of Infrared to Visible Light at GaAs-AlGaInP Interfaces. Scheffler, M.; Zimmermann, R., eds. 23rd International Conference on the Physics of Semiconductors, 21-26 July 1996, Berlin, Germany. Singapore: World Scientific Vol. 2: pp. 991-994; NREL Report No. 24408.

243.  Driessen, F. A. J. M.; Cheong, H. M.; Mascarenhas, A. (1996). Energy Up-Conversion at GaAs-GaInP2 and GaAs-AlGaInP2 Interfaces Caused by Cold Auger Processes. Jones, E. D.; Mascarenhas, A.; Petroff, P., eds. Optoelectric Materials: Ordering, Composition Modulation, and Self-Assembled Structures; Proceedings of the Materials Research Society Symposium, 28-30 November 1995, Boston, Massachusetts. Materials Research Society Symposium Proceedings, Vol. 417. Pittsburgh, PA: Materials Research Society pp. 85-90; NREL Report No. 20504.

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258.  Mascarenhas, A.; Alonso, R. G.; Horner, G. S.; Froyen, S.; Hsieh, K. C.; Cheng, K. Y. (1993). Spontaneously Generated Effective Mass Lateral Superlattices. Physical Review. B, Condensed Matter. Vol. 48(7), 15 August 1993; pp. 4907-4909; NREL Report No. TP-451-4692. http://dx.doi.org/10.1103/PhysRevB.48.4907

259.  Alonso, R. G.; Mascarenhas, A.; Horner, G. S.; Sinha, K.; Zhu, J.; Friedman, D. J.; Bertness, K. A.; Olson, J. M. (1993). Evidence for Pyroelectricity in Single Variant Spontaneously Ordered GaInP2. Solid State Communications. Vol. 88(5), 1993; pp. 341-344; NREL Report No. TP-451-5557. http://dx.doi.org/10.1016/0038-1098(93)90220-H

260.  Horner, G. S.; Mascarenhas, A.; Froyen, S.; Alonso, R. G.; Bertness, K.; Olson, J. M. (1993). Photoluminescence-Excitation-Spectroscopy Studies in Spontaneously Ordered GaInP2. Physical Review. B, Condensed Matter. Vol. 47(7), 15 February 1993 - I; pp. 4041-4043; NREL Report No. TP-451-5170. http://dx.doi.org/10.1103/PhysRevB.47.4041

261.  Alonso, R. G.; Mascarenhas, A.; Froyen, S.; Horner, G. S.; Bertness, K.; Olson, J. M. (1993). Polarized Piezomodulated Reflectance Study of Spontaneous Ordering in GaInP2. Solid State Communications. Vol. 85(12) Pergamon Press Ltd, Great Britain pp. 1021-1024; NREL Report No. TP-451-5166. http://dx.doi.org/10.1016/0038-1098(93)90158-J

262.  Mascarenhas, A.; Alonso, R. G.; Horner, G. S.; Froyen, S.; Hsieh, K. S.; Cheng, K. Y. (1992). Experimental Evidence for a Spontaneously Generated Effective Mass Lateral Superlattice. Superlattices and Microstructures. Vol. 12(1), 1992; Academic Press Limited pp. 57-61; NREL Report No. TP-451-5006. http://dx.doi.org/10.1016/0749-6036(92)90220-Y

263.  Mascarenhas, A.; Alonso, R. G.; Horner, G. S.; Froyen, S.; Hsieh, K. C.; Cheng, K. Y. (1992). Spontaneous Composition Modulation: A New Tool for Tailoring the Optoelectronic Properties of Semiconductors. Noufi, R., ed. Photovoltaic Advanced Research and Development Project: Proceedings of the 11th Review Meeting, 13-15 May 1992, Denver, Colorado. AIP Conference Proceedings 268. New York: American Institute of Physics pp. 125-131; NREL Report No. TP-451-4934.

264.  Mascarenhas, A.; Olson, J. M. (1990). Quantum Statistics of Polarized Photoluminescence in Ordered GaInP2. Physical Review. B, Condensed Matter. Vol. 41(14), 15 May 1990; pp. 9947-9952. http://dx.doi.org/10.1103/PhysRevB.41.9947

265.  Mascarenhas, A.; Kurtz, S.; Kibbler, A.; Olson, J. M. (1990). Optical Investigations of Symmetry Breaking in GaInP2. Shaw, D. W. et al., eds. Epitaxial Heterostructures: Proceedings of Materials Research Society Symposium, 16-19 April 1990, San Francisco, California. Materials Research Society Symposium Proceedings, Volume 198. Pittsburgh, PA: Materials Research Society pp. 65-69.

266.  Mascarenhas, A.; Katayama-Yoshida, H.; Pankove, J.; Deb, S. K. (1989). Copper Isotope Effect in Raman Scattering on Superconducting YBa2Cu3O7-x. Physical Review. B, Condensed Matter. Vol. 39(7), March 1, 1989; pp. 4699-4700. http://dx.doi.org/10.1103/PhysRevB.39.4699

267.  Tsuo, Y. S.; Xu, Y.; Mascarenhas, A.; Deb, S. K.; Ray, S. (1989). Recent Results on Ion-Beam-Hydrogenation of Amorphous Silicon. Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference - 1988; September 26-30, 1988; Las Vegas, Nevada. New York: The Institute of Electrical and Electronics Engineers, Inc. pp. 119-122.

268.  Mascarenhas, A.; Kurtz, S. R.; Kibbler, A. E.; Olson, J. M. (1989). Polarized Band-Edge Photoluminescence and Ordering in Ga0.52In0.48P. Physical Review Letters. Vol. 63(19), 6 November 1989; pp. 2108-2111. http://dx.doi.org/10.1103/PhysRevLett.63.2108

269.  Ray, S.; De, S. C.; Ganguly, G.; Barua, A. K.; Mascarenhas, A. J.; Al-Jassim, M. M.; Deb, S. K. (1989). Low-Power Deposition of Fluorinated Microcrystalline Silicon Hydrogen Alloy Films. Journal of Applied Physics. Vol. 65(10), May 15, 1989; pp. 4024-4027. http://dx.doi.org/10.1063/1.343432

270.  Mahan, A. H.; Raboisson, P.; Menna, P.; Mascarenhas, A.; Tsu, R. (1988). Why the Photoconductivity Decreases in a-SiC:H and a-SiGe:H when the Amount of Alloying Increases. Solar Cells. Vol. 24(1-2), May/June 1988; pp. 195-203. http://dx.doi.org/10.1016/0379-6787(88)90049-X

271.  Mascarenhas, A. J.; Katayama-Yoshida, H.; Geller, S.; Pankove, J. I.; Deb, S. K. (1988). Raman Scattering Studies on Superconducting YBa2Cu3O7-x Semiconducting YBa2Cu3O6+x, and Possible Impurity Phases. Brodsky, M. B. et al., eds. High-Temperature Superconductors; Materials Research Society Symposium Proceedings, Vol. 99. Pittsburgh, PA: Materials Research Society pp. 415-418.

272.  Mascarenhas, A. J.; Geller, S.; Xu, L. C.; Katayama-Yoshida, H.; Pankove, J. I.; Deb, S. K. (1988). Raman Spectroscopic Investigation of Superconducting YBa2Cu3O7-x, Semiconducting YBa2Cu3O6+X, and Possible Impurity Phases. Applied Physics Letters. Vol. 52(3), 18 January 1988; pp. 242-243. http://dx.doi.org/10.1063/1.99651

273.  Mahan, A. H.; Mascarenhas, A.; Williamson, D. L.; Crandall, R. S. (1988). Microstructure and the Urbach Edge in Glow Discharge Deposited a-SiC:H. Madan, A. et al., eds. Amorphous Silicon Technology. Materials Research Society Symposium Proceedings, Volume 118. Pittsburgh, PA: Materials Research Society pp. 641-646.

274.  Katayama-Yoshida, H.; Hirooka, T.; Mascarenhas, A. J.; Okabe, Y.; Takahashi, T.; Sasaki, T.; Ochiai, A.; Suzuki, T.; Pankove, J. I.; Ciszek, T. F.; Deb, S. K. (1987). Isotope Effect in Superconducting YBa2Cu3O7-x System. Japanese Journal of Applied Physics. Vol. 26(12), December 1987; pp. L2085-L2086. http://dx.doi.org/10.1143/JJAP.26.L2085