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PHYSICS 114

EXCON 2006

PUBLICATIONS AND CONFERENCE PRESENTATIONS

1. "Donor-acceptor pair luminescence of nitrogen-implanted ZnO single crystal", G. Xiong, K. B. Ucer, R. T. Williams, J. Lee, D. Bhattacharyya, J. Metson, P. Evans, Journal of Applied Physics, 97, 043528 (2005).
2. "Giant oscillator strength of excitons in bulk and nanostructured systems", G. Xiong, J. Wilkinson, K. B. Ucer, R. T. Williams, Journal of Luminescence, 112, 1-6 (2005).
3. "Formation time of a small electron polaron in LiNbO3: measurements and interpretation", Yong Qiu, K. B. Ucer, R. T. Williams, Physica Staus Solidi (C), 2, 232-235 (2005).
4. “The oscillator strength of extended exciton states and possibility for very fast scintillators", J. Wilkinson, K. B. Ucer, R. T. Williams, Nuclear Instruments & Methods in Physics Research A, 537, 66-70 (2005).
5. "Picosecond excitonic luminescence in ZnO and other wide-gap semiconductors", J. Wilkinson, K. B. Ucer, R. T. Williams, Radiation Measurements, 38, 501-505 (2004).
6. "Luminescence and stimulated emission in zinc oxide nanoparticles, films, and crystals", G. Xiong, J. Wilkinson, J. Lyles, K .B. Ucer, R. T. Williams, Radiation Effects And Defects In Solids, 158, 83-88 (2003).
7. “Lifetime and oscillator strength of excitonic luminescence in zinc oxide", J. Wilkinson, G. Xiong, K. B. Ucer and R T. Williams, Nonlinear Optics, 29, 529-536 (2002).
8. "Transient absorption of polarons in KNbO3", Q. Yong, K. B. Ucer, R. T. Williams, L. Grigorjeva, D. Millers, V. Pankratov, Nuclear Instruments & Methods in Physics Research Section B - Beam Interactions with Materials and Atoms, 191, 98-101 (2002).
9. "Kinetics of Nitric Oxide Binding to R-State Hemoglobin", Z. Huang, K. B. Ucer, T. Murphy, R. T. Williams, S. B. King, D. B. Kim-Shapiro, Biomedical and Biophysical Research Communications, 292, 812-818 (2002).
10. "Control of p- and n-type Conductivity in Sputter Deposition of Undoped ZnO", G. Xiong, J. Wilkinson, B. Mischuck, S. Tuzemen, K. B. Ucer, R. T. Williams, Applied Physics Letters, 80, 1195-1197 (2002).
11. "4 pi Confocal Microscope for Multiphoton Optical Sectioning of GaN Film Luminescence", K. B. Ucer, D. F. Liang, R. T. Williams, H. Morkoc, International Journal of Modern Physics B, 15, 3700-3703 (2001).
12. "Production and Properties of p-n Junctions in Reactively Sputtered ZnO", S. Tuzemen, Gang Xiong, John Wilkinson, Brian Mischuck, K.B. Ucer and R.T. Williams, Physica B: Condensed Matter, 308-310, 1197-1200 (2001).
13. " In the First Instants ... Ultrafast Views of Radiation Effects", R.T. Williams, K. B. Ucer, J.L. LoPresti, Radiation Measurements, 33, 497-502 (2001).
14. "Self-Trapped Electron and Transient Defect Absorption in Niobate and Tungstate Crystals", R. T. Williams, K. B. Ucer, H. M. Yochum, L. G. Grigorjeva, K. D. Millers, and G. Corradi, Radiation Effects and Defects in Solids, 155, 265-276 (2001).
15. "Subpicosecond Laser Spectroscopy of Blue-Light-Induced Absorption in KNbO3 and LiNbO3", H. M. Yochum, K. B. Ucer, R. T. Williams, L. Grigorjeva, D. Millers, and G. Corradi, Proceedings of the NATO Workshop on Advanced Perovskite Materials (Riga, August 1999) (Kluwer Scientific, in press).
16. "Picosecond and Nanosecond Time-Resolved Study of Luminescence and Absorption of CdWO4 and PbWO4", R. T. Williams, H. M. Yochum, K. B. Ucer, D. K. Millers, L Grigorjeva, and S. Chernov, Proceedings of the 5th International Conference on Inorganic Scintillators and their Applications (Moscow, August 1999).
17. "Multiphoton Excitation Microspectroscopy of Photoluminescence in GaN Films", Y. C. Zhang, K. B. Ucer, and R. T. Williams, presented at the March Meeting of the American Physical Society, Atlanta, GA, 1999.
18. "Multiphoton Excitation Microscopy of Photoluminescence in GaN Epitaxial Films", Y. C. Zhang, K. Burak Ucer, and R. T. Williams, Proceedings of the 3rd International Conference on Excitonic Processes in Condensed Matter, Boston, November 2-5 (1998), edited by R. T. Williams and W. M. Yen (Electrochemical Society Proc. Vol. 98-25, 1999) p. 537.
19. "Short-Pulse Excitation and Spectroscopy of KNbO3, LiNbO3, and KTiOPO4", H.M. Yochum, K.B. Ucer, R.T. Williams, P.A. Sheldon, V. Nagirnyi, V. Denks, L. Grigorjeva, D. Millers, and E.A. Kotomin, Radiation Effects and Defects in Solids 150, 271 (1999).
20. "The Femtosecond Optical Response Of Porous, Amorphous And Crystalline Silicon," J. von Behren, Y. Kostoulas, K. B. Ucer and P. M. Fauchet, J. Non-Cryst. Solids 198-200, 957-960 (1996).
21. "Ultrafast Response of Light Emitting Silicon", K. B. Ucer, J. von Behren and Philippe M. Fauchet, presented at the Annual Meeting of the Optical Society of America, Rochester, NY, 1996.
22. "Femtosecond Carrier Dynamics In Low-Temperature Grown Ga0.51In0.49P," Y. Kostoulas, K. B. Ucer, G. W. Wicks and P. M. Fauchet, Appl. Phys. Lett. 67, 3756-3758 (1995).
23. "The Ultrafast Carrier Dynamics In Semiconductors: The Role Of Defects," P. M. Fauchet, G. W. Wicks, Y. Kostoulas, A. I. Lobad, and K. B. Ucer, Mat. Res. Soc. Symp. Proc. 378, 171-176 (1995).
24. "Properties Of Ultrathin Films Of Porous Silicon," J. von Behren, K. B. Ucer, L. Tsybeskov, Ju. V. Vandyshev, and P. M. Fauchet, J. Vac. Sci. Technol. B 13, 1225-1229 (1995).
25. "Ultrafast Optical And Optoelectronic Response Of Y-Ba-Cu-O," T. Gong, L. X. Zheng, Y. Kostoulas, W. Xiong, W. Kula, K. B. Ucer, R. Sobolewski, and P. M. Fauchet, in OSA Proceedings on Ultrafast Electronics and Optoelectronics, edited by J. Shah and U. Mishra (Optical Society of America, Washington, DC, 1993), Vol. 14, pp. 234-237.
26. " Femtosecond Carrier-Carrier Interactions In GaAs," T. Gong, K. B. Ucer, L. X. Zheng, G. W. Wicks, J. F. Young, P. J. Kelly, and P. M. Fauchet, in Ultrafast Phenomena VIII, edited by J.-L. Martin, A. Migus, G. A. Mourou, and A. H. Zewail (Springer-Verlag, 1993), pp. 402-404.