Search Results

1.  Fingerhut, B. P.; Richter, M.; Luo, J. W.; Zunger, A.; Mukamel, S. (2013). 2D Optical Photon Echo Spectroscopy of a Self-Assembled Quantum Dot. Annalen der Physik. Vol. 5252(1-2), February 2013; pp. 31-42; NREL Report No. JA-5900-58441. http://dx.doi.org/10.1002/andp.201200204

2.  Heiss, M.; Fontana, Y.; Gustafsson, A.; Wust, G.; Magen, C.; O'Regan, D. D.; Luo, J. W.; Ketterer, B.; Conesa-Boj, S.; Kuhlmann, A. V.; Houel, J.; Russo-Averchi, E.; Morante, J. R.; Cantoni, M.; Marzari, N.; Arbiol, J.; Zunger, A.; Warburton, R. J.; Foncuberta i Morral, A. (2013). Self-Assembled Quantum Dots in a Nanowire System for Quantum Photonics. Nature Materials. Vol. 12(5), May 2013; pp. 439-444; NREL Report No. JA-5900-57368. http://dx.doi.org/10.1038/nmat3557

3.  Zhang, L.; Luo, J. W.; Saraiva, A. L.; Koiller, B.; Zunger, A. (2013). Genetic Design of Enhanced Valley Splitting Towards a Spin Qubit in Silicon. arXiv:1303.4932v1 [cond-mat.mes-hall]. Cornell University Library Preprint Archive. 6 pp.; NREL Report No. JA-5900-58572.

4.  Fingerhut, B. P.; Richter, M.; Luo, J. W.; Zunger, A.; Mukamel, S. (2012). Dissecting Biexciton Wave Functions of Self-Assembled Quantum Dots by Double-Quantum-Coherence Optical Spectroscopy. Article No. 235303. Physical Review. B, Condensed Matter and Materials Physics. Vol. 86(23), 15 December 2012; 10 pp.; NREL Report No. JA-5900-57694. http://dx.doi.org/10.1103/PhysRevB.86.235303

5.  Zhang, L.; Lin, Z.; Luo, J. W.; Franceschetti, A. (2012). Birth of a Type-II Nanostructure: Carrier Localization and Optical Properties of Isoelectronically Doped CdSe:Te Nanocrystals. ACS Nano. Vol. 6(9), 25 September 2012; pp. 8325-8334; NREL Report No. JA-5900-56105. http://dx.doi.org/10.1021/nn303060r

6.  Vidal, J.; Zhang, X.; Stevanovic, V.; Luo, J. W.; Zunger, A. (2012). Large Insulating Gap in Topological Insulators Induced by Negative Spin-Orbit Splitting. Article No. 075316. Physical Review. B, Condensed Matter and Materials Physics. Vol. 86(7), 15 August 2012; 5 pp.; NREL Report No. JA-5900-56103. http://dx.doi.org/10.1103/PhysRevB.86.075316

7.  Lee, B. G.; Hiller, D.; Luo, J. W.; Semonin, O. E.; Beard, M. C.; Zacharias, M.; Stradins, P. (2012). Strained Interface Defects in Silicon Nanocrystals. Advanced Functional Materials. Vol. 22(15), 7 August 2012; pp. 3223-3232; NREL Report No. JA-5200-54580. http://dx.doi.org/10.1002/adfm.201200572

8.  Zhang, L.; d'Avezac, M.; Luo, J. W.; Zunger, A. (2012). Genomic Design of Strong Direct-Gap Optical Transition in Si/Ge Core/Multishell Nanowires. Nano Letters. Vol. 12(2), 8 February 2012; pp. 984-991; NREL Report No. JA-5900-53714. http://dx.doi.org/10.1021/nl2040892

9.  d'Avezac, M.; Luo, J. W.; Chanier, T.; Zunger, A. (2012). Genetic-Algorithm Discovery of a Direct-Gap and Optically Allowed Superstructure from Indirect-Gap Si and Ge Semiconductors. Article No. 027401. Physical Review Letters. Vol. 108(2), 13 January 2012; 5 pp.; NREL Report No. JA-5900-53572. http://dx.doi.org/10.1103/PhysRevLett.108.027401

10.  Luo, J. W.; Stradins, P.; Zunger, A. (2011). Matrix-Embedded Silicon Quantum Dots for Photovoltaic Applications: A Theoretical Study of Critical Factors. Energy and Environmental Science. Vol. 4(7), July 2011; pp. 2546-2557; NREL Report No. JA-5900-51374. http://dx.doi.org/10.1039/c1ee01026c

11.  Stradins, P.; Lee, B. G.; Luo, J. W.; Hiller, D.; Anderson, I.; Jariwala, B. N.; Chaukulkar, R.; Shircliff, R.; Kakalios, J.; Zacharias, M.; Branz, H. M.; Collins, R.; Agarwal, S.; Zunger, A. (2011). Quantum-Confined Silicon Nanocrystals as Candidates for Solar Cell Absorber Material. Abstract A12.4. 1 pg.; NREL Report No. AB-5200-52019.

12.  Zhang, L. J.; Luo, J. W.; Franceschetti, A.; Zunger, A. (2011). Excitons and Excitonic Fine Structures in Si Nanowires: Prediction of an Electronic State Crossover with Diameter Change. Physical Review. B, Condensed Matter and Materials Physics. Vol. 84(7), 15 August 2011; 9 pp.; NREL Report No. JA-5900-52031. http://dx.doi.org/10.1103/PhysRevB.84.075404

13.  Vidal, J.; Zhang, X.; Yu, L.; Luo, J. W.; Zunger, A. (2011). False-Positive and False-Negative Assignments of Topological Insulators in Density Functional Theory and Hybrids. Article No. 041109. Physical Review. B, Condensed Matter and Materials Physics. Vol. 84(4), 15 July 2011; 4 pp.; NREL Report No. JA-5900-52077. http://dx.doi.org/10.1103/PhysRevB.84.041109

14.  Luo, J. W.; Zunger, A. (2011). Geometry of Epitaxial GaAs/(Al,Ga)As Quantum Dots as Seen by Excitonic Spectroscopy. Article No. 235317. Physical Review. B, Condensed Matter and Materials Physics. Vol. 84(23), 15 December 2011; 5 pp.; NREL Report No. JA-5900-53573. http://dx.doi.org/10.1103/PhysRevB.84.235317

15.  Luo, J. W.; Zhang, L.; Zunger, A. (2011). Absence of Intrinsic Spin Splitting in One-Dimensional Quantum Wires of Tetrahedral Semiconductors. Article No. 121303. Physical Review. B, Condensed Matter and Materials Physics. Vol. 84(12), 15 September 2011; 4 pp.; NREL Report No. JA-5900-52460. http://dx.doi.org/10.1103/PhysRevB.84.121303

16.  Zhang, L. J.; Luo, J. W.; Zunger, A.; Akopian, N.; Zwiller, V.; Harmand, J. C. (2010). Wide InP Nanowires with Wurtzite/Zincblende Superlattice Segments Are Type-II whereas Narrower Nanowires Become Type-I: An Atomistic Pseudopotential Calculation. Nano Letters. Vol. 10(10), 2010; pp. 4055-4060; NREL Report No. JA-590-49837. http://dx.doi.org/10.1021/nl102109s

17.  Luo, J. W.; Chantis, A. N.; van Schilfgaarde, M.; Bester, G.; Zunger, A. (2010). Discovery of a Novel Linear-in-k Spin Splitting for Holes in the 2D GaAs/AlAs System. Article No. 066405. Physical Review Letters. Vol. 104(6), 12 February 2010; 4 pp.; NREL Report No. JA-590-47478. http://dx.doi.org/10.1103/PhysRevLett.104.066405

18.  Luo, J. W.; Zunger, A. (2010). Design Principles and Coupling Mechanisms in the 2D Quantum Well Topological Insulator HgTe/CdTe. Article No. 176805. Physical Review Letters. Vol. 105(17), 2010; 4 pp.; NREL Report No. JA-590-49301. http://dx.doi.org/10.1103/PhysRevLett.105.176805

19.  Luo, J. W.; Bester, G.; Zunger, A. (2009). Full-Zone Spin Splitting for Electrons and Holes in Bulk GaAs and GaSb. Article No. 056405. Physical Review Letters. Vol. 102(5), 6 February 2009; 4 pp.; NREL Report No. JA-590-44953. http://dx.doi.org/10.1103/PhysRevLett.102.056405

20.  Zunger, A.; Franceschetti, A.; Luo, J. W.; Popescu, V. (2009). Understanding the Physics of Carrier-Multiplication and Intermediate-Band Solar Cells Based on Nanostructures -- What is Going On?. [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. 000322-000326; NREL Report No. CP-590-46014. http://dx.doi.org/10.1109/PVSC.2009.5411671

21.  Jiang, X. W.; Deng, H. X.; Li, S. S.; Luo, J. W.; Wang, L. W. (2009). Quantum Mechanical Simulation of Nanosized Metal-Oxide-Semiconductor Field-Effect Transistor Using Empirical Pseudopotentials: A Comparison for Charge Density Occupation Methods. Article No. 084510. Journal of Applied Physics. Vol. 106(8), October 2009; 9 pp.; NREL Report No. JA-590-47232. http://dx.doi.org/10.1063/1.3248262

22.  Luo, J. W.; Bester, G.; Zunger, A. (2009). Atomistic Pseudopotential Calculations of Thickness-Fluctuation GaAs Quantum Dots. Article No. 125329. Physical Review. B, Condensed Matter and Materials Physics. Vol. 79(12), 2009; 15 pp.; NREL Report No. JA-590-45289. http://dx.doi.org/10.1103/PhysRevB.79.125329

23.  Luo, J. W.; Franceschetti, A.; Zunger, A. (2009). Nonmonotonic Size Dependence of the Dark/Bright Exciton Splitting in GaAs Nanocrystals. Article No. 201301(R). Physical Review. B, Condensed Matter and Materials Physics. Vol. 79(20), 2009; 4 pp.; NREL Report No. JA-590-45749. http://dx.doi.org/10.1103/PhysRevB.79.201301

24.  Luo, J.-W.; Bester, G.; Zunger, A. (2009). Long- and Short-Range Electron-Hole Exchange Interaction in Different Types of Quantum Dots. New Journal of Physics. Vol. 11(12), December 21, 2009; 12 pp.; NREL Report No. JA-590-47103. http://dx.doi.org/10.1088/1367-2630/11/12/123024

25.  Franceschetti, A.; Luo, J. W.; An, J. M.; Zunger, A. (2009). Origin of One-Photon and Two-Photon Optical Transitions in PbSe Nanocrystals. Article No. 241311. Physical Review. B, Condensed Matter and Materials Physics. Vol. 79(24), 2009; 4 pp.; NREL Report No. JA-590-46069. http://dx.doi.org/10.1103/PhysRevB.79.241311

26.  Luo, J. W.; Franceschetti, A.; Zunger, A. (2008). Carrier Multiplication in Semiconductor Nanocrystals: Theoretical Screening of Candidate Materials Based on Band-Structure Effects. Nano Letters. Vol. 8(10), 2008; pp. 3174-3181; NREL Report No. JA-590-43659. http://dx.doi.org/10.1021/nl801459h

27.  Xu, Q.; Luo, J. W.; Li, S. S.; Xia, J. B.; Li, J.; Wei, S. H. (2007). Chemical Trends of Defect Formation in Si Quantum Dots: The Case of Group-III and Group-V Dopants. Article No. 235304. Physical Review. B, Condensed Matter and Materials Physics. Vol. 75(23), 2007; 6 pp.; NREL Report No. JA-590-40794. http://dx.doi.org/10.1103/PhysRevB.75.235304

28.  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

29.  Luo, J. S.; Geisz, J. F.; Olson, J. M.; Wu, M. C. (1997). Surface-Related Optical Anisotropy of GaInP, InP, and GaP. Journal of Crystal Growth. Vol. 174, 1997; pp. 558-563; NREL Report No. JA-520-23891. http://dx.doi.org/10.1016/S0022-0248(97)00041-9

30.  Luo, J. S.; Olson, J. M.; Wu, M. C. (1995). Annealing-Induced Near-Surface Ordering in Disordered Ga0.5In0.5P. Journal of Vacuum Science and Technology. B, Microelectronics and Nanometer Structures. Vol. 13(4), July/August 1995; pp. 1755-1759; NREL Report No. 20071. http://dx.doi.org/10.1116/1.587808

31.  Luo, J. S.; Olson, J. M.; Kurtz, S. R.; Arent, D. J.; Bertness, K. A.; Raikh, M. E.; Tsiper, E. V. (1995). Optical Anisotropy and Spontaneous Ordering in Ga0.5In0.5P: An Investigation Using Reflectance-Difference Spectroscopy. Physical Review. B, Condensed Matter. Vol. 51(12), 15 March 1995-II; pp. 7603-7612. http://dx.doi.org/10.1103/PhysRevB.51.7603

32.  Luo, J. S.; Olson, J. M. (1995). Reflectance Anisotropy and the Ordering Mechanism in GaInP at High Growth Temperatures. Goronkin, H.; Mishra, U. Compound Semiconductors 1994: Proceedings of the 21st International Symposium on Compound Semiconductors, 18-22 September 1994, San Diego, California. Institute of Physics Conference Series No. 141. Bristol, UK: Institute of Physics Publishing pp. 201-206; NREL Report No. TP-451-7062.

33.  Luo, J. S.; Olson, J. M.; Bertness, K. A.; Raikh, M. E.; Tsiper, E. V. (1994). Investigation of Spontaneous Ordering in GaInP Using Reflectance Difference Spectroscopy. Journal of Vacuum Science and Technology. B, Microelectronics Processing and Phenomena. Vol. 12(4), Jul/Aug 1994; pp. 2552-2557. http://dx.doi.org/10.1116/1.587800