Conference Proceeding Papers

  1. Yue Lin, Yong Zhang, Zhiqiang Liu, Tongbo Wei, and Zhong Chen, Spatially Resolved Study of the EQE Droop in InGaN QW LEDs: Interplay of Point Defects, Extended Defects, and Carrier Localization, in Wide Bandgap Semiconductor Materials and Devices 15 issues, ECS Transactions (Orlando, 2014), edited by F. Ren.
  2. Fengxiang Chen, Yong Zhang, T. H. Gfroerer, A. N. Finger, and M. W. Wanlass, Modeling Photoluminescence Spatial Mapping of an Isolated Defect under Uniform and Selective Excitation, 39th IEEE Photovoltaic Specialists Conference (Orlando, 2013).
  3. Qiong Chen, Naili Yue, and Yong Zhang, Micro-Raman/PL and Micro-LBIC studies of CZTSe materials and PV devices, 39th IEEE Photovoltaic Specialists Conference (Orlando, 2013).
  4. T. H. Gfroerer, Y. Zhang, and M. W. Wanlass, A comparison of photoluminescence imaging and confocal photoluminescence microscopy in the study of diffusion near isolated extended defects in GaAs, 38th IEEE Photovoltaic Specialists Conference (Austin, 2012).
  5. N. Yue, Y. Zhang, and R. Tsu, Selective Formation of Graphene on a Si Wafer, MRS Proceedings 1407, mrsf11-1407-aa05-68 (2012).
  6. Y. Zhang, D. Li, Z. Wu, J. Zheng, X. Lin, H. Zhan, S. Li, J. Kang, J. Bleuse, L. Grenet, D. Rapisarda, and H. Mariette, ZnO/ZnSe Type II Core-Shell Nanowire Array Solar Cell, MRS Proceedings 1396, mrsf11-1396-o02-07 (2012).
  7. R.G. Dhere, Y. Zhang, M.J. Romero, S. E. Asher, M. Young, B. To, R. Noufi, and T.A. Gesser, Investigation of junction properties of CdS/CdTe solar cells and their correlation to device properties, Proc. IEEE-33th PV Specialist Meeting (2008).
  8. Y. Zhang, J. Pern, A. Mascarenhas, and W. Zhou, Searching for optimal solar-cell architectures, in SPIE Newsroom, 2008.
  9. A. Mascarenhas, S. Francoeur, M.J. Seong, B. Fluegel, Y. Zhang, and M.W. Wanlass, High-Efficiency Solar Cell Concepts: Physics, Materials, and Devices, Proceedings of 2004 DOE Solar Energy Technologies Program Review Meeting  (October 25-28, 2004, Denver, Colorado).
  10. Y. Zhang and A. Mascarenhas, Effects due to and derived from spontaneous ordering in III-V semiconductors, Mat. Res. Soc. Symp. Proc. 794, 279-290 (2004) (An invited talk).
  11. Z. Y. Xu, X. D. Luo, X. D. Yang, P. H. Tan, C. L. Yang, W. K. Ge, Y. Zhang, A. Mascarenhas, H. P. Xin, C. W. Tu, Optical Study of Localized and Delocalized States in GaAsN/GaAs, Mat. Res. Soc. Symp. Proc. 798, pp. 695-700 (2004).
  12. X. Wu, R. G. Dhere, Y. Yan, M. J. Romero, Y. Zhang, J. Zhou, C. DeHart, A. Duda, C. Perkins, and B. To, High-Efficiency Polycrystalline CdTe Thin-Film Solar Cells with an Oxygenated Amorphous CdS (a-CdS:O) Window Layer, Proceedings of the 29th IEEE PVSC, 531 (2002).
  13. Y.J. Wang, X. Wei, Y. Zhang, A. Mascarenhas, H. P. Xin, Y. G. Hong, and C. W. Tu, High field magneto-optical study of electronic states near the band edge of GaAs1-xNx, Proceedings of the 15th International Conference on High Magnetic Fields in Semiconductor Physics.
  14. A. Mascarenhas and Y. Zhang, Electronic structure of nitrogen doped GaAs and GaP, in Gallium-Nitride-based Technologies, Edited by M. Osinski (SPIE optical Engineering Press, 2002), p.219.
  15. E. D.  Jones, K. K. Bajaj, G. Coli, S. Crooker, Y. Zhang, A. Mascarenhas, and J. M. Olson, Exciton diamagnetic shifts and magnetic field dependent linewidths in ordered and disordered InGaP alloys, Mat. Res. Soc. Symp. Proc. 692, 313 (2002).
  16. Y. Zhang, B. Fluegel, M. Hanna, A. Duda, and A. Mascarenhas, Electronic structure near the band gap of heavily nitrogen doped GaAs and GaP, Mat. Res. Soc. Symp. Proc. 692, 49 (2002) (An invited talk).
  17. T.H. Wang, T.F. Ciszek, and Y. Zhang, Calibration Factors for Lifetime Measurements on Si Ingots with a Localized PCD Method, Proc. 28th IEEE Photovoltaic Specialists Conf. (2000, Anchorage, AK, USA), pp.
  18. Y. Zhang, A. Mascarenhas, S. K. Deb, H. P. Xin, and C. W. Tu, Heavily nitrogen-doped III-V semiconductors for high-efficiency solar cells, Proc. 28th IEEE Photovoltaic Specialists Conf. (2000, Anchorage, AK, USA), pp.1189 (2001).
  19. R. A. Ahrenkiel, A. Mascarenhas, S. W. Johnston, Y. Zhang, D. J. Friedman, and S. M. Vernon, Photoconductive Properties of GaAs1-xNx double Heterostructures as a Function of Excitation Wavelength, Mat. Res. Soc. Symp. Proc. 607, 265 (2000).
  20. H.M. Cheong, Y. Zhang, A. Norman, A. Mascarenhas, K.Y. Cheng, and K.C. Hsieh, Profiling Composition Variations in Composition Modulated GaP/InP Short Period Superlattices using Resonance Raman Scattering, Mat. Res. Soc. Symp. Proc. 583, 361 (2000).
  21. Y. Zhang, B. Fluegel, S.P. Ahrenkiel, D. J. Friedman, J.F. Geisz, J.M. Olson, and A. Mascarenhas, Electronic and Optical Properties of Micro Ordered Domain Twins in GaInP Alloys, Mat. Res. Soc. Symp. Proc. 583, 255 (2000).
  22. R. L. Forrest, E. D. Meserole, R. T. Nielsen, M. S. Goorsky, Y. Zhang, A. Mascarenhas, M. Hanna, and S. Francoeur, Single and Double Variant CuPt-B Ordered GaInAs, Mat. Res. Soc. Symp. Proc. 583, 249 (2000).
  23. S.P. Ahrenkiel, K.M. Jones, R.J. Matson, M. Al-Jasim, Y. Zhang, and A. Mascarenhas, CuPt Ordered Microstructures in GaInP and GaInAs films, Mat. Res. Soc. Symp. Proc. 583, 243 (2000).
  24. S. J. Pennycook, Y. Yan, A. Norman, Y. Zhang, M. Al-Jassim, A. Mascarenhas, S. P. Ahrenkiel, M. F. Chisholm, G. Duscher, and S. T. Pantelides, Atomic-Resolution Z-Contrast Imaging and Its Application to Compositional Ordering and Segregation, Mat. Res. Soc. Symp. Proc. 583, 235 (2000).
  25. R. D Twesten, D. M Follstaedt, J Mirecki Millunchick, S. R. Lee, A. G. Norman, S.P. Ahrenkiel, J. L. Reno, E D Jones, A Mascarenhas, and Y. Zhang, Composition distribution in laterally modulated InAlAs films, Proc. MSA Meeting, Aug. 1999, Microsc. Micoanal. 5 (Suppl 2: Proceedings) (1999) p174.
  26. Y. Zhang and A. Mascarenhas, Scaling of Exciton Binding Energy in Semiconductor Quantum Wells and Wires, in  “Excitonic Processes in Condensed Matter”, R. T. Williams and W. M. Yen, Editors, PV 98-25, p. 222, The Electrochemical Society Proceedings Series, Pennington, NJ (1998).
  27. A. Mascarenhas, Y. Zhang, J. Mirecki Millunchick, R. D. Twesten, and E. D. Jones, Lateral superlattice solar cells, Proceedings of Future generation Photovoltaic Technologies, First NREL Conference, ed. R. McConnell, p.303 (1997).
  28. E. D. Jones, J. Mirecki Millunchick, D. M. Follstaedt, M. Hafich, S. R. Lee, J. Reno, R. D. Twesten, Y. Zhang, and A. Mascarenhas, Detection of lateral composition modulation in a (InAs)n/(GaAs)n short period superlattice on InP by magnetoexciton spectroscopy, SPIE Int. Symp. on Optoelectronics  Proc. 2994, 468 (1997).
  29. R. D. Twesten, J. Mirecki-Millunchick, S. P. Ahrenkiel, Y. Zhang, S. R. Lee, D. M. Follstaedt, A. Mascarenhas, and E. D. Jones, Microstructure of compositionally modulated InAlAs, Mat. Res. Soc. Symp. Proc. Vol.441, 187 (1997).
  30. Y. Zhang, P. Ernst, F. A. J. M. Driessen, A polarization study of ordered GaInP2, Mat. Res. Soc. Symp. Proc. Vol. 417, 61 (1996).
31. P. Ernst, C. Geng, G. Hahn, F. Scholz, H. Schweizer, Y. Zhnag, and A. Mascarenhas, Optical Properties of ordered GaInP2, Mat. Res. Soc. Symp. Proc. Vol. 417, 19 (1996).