Head, Dept of Engineering Physics
Email: Nancy Giles
Ph.D., Physics, North Carolina State University, May 1987, Dissertation:"Optical Properties of Novel II-VI Semiconductor Films and Quantum Well Structures" (advisor: J.F. Schetzina)
B.S., Physics, The University of North Carolina at Chapel Hill, December 1981
Solid State Physics: Photoluminescence (PL), absorption, Raman, and magnetic resonance (EPR) spectroscopy leading to identification of point defects in semiconducting and optical materials; PL excitation and time-resolved PL spectroscopies; nonlinear optical materials; laser-host materials; scintillators.
PHOTOLUMINESCENCE
ABSORPTION
HALL EFFECT
OPTICAL AND MAGNETIC RESONANCE SPECTROSCOPY OF SEMICONDUCTORS
Refereed publications (from 2008-present):
171.“Intrinsic small polarons (Sn3+ ions) in photorefractive Sn2P2S6 crystals”, A. T. Brant, L. E. Halliburton, N. C. Giles, S. A. Basun, A. A. Grabar, and D. R. Evans, submitted to Journal of Physics: Condensed Matter (under review, Dec 2012).
170.“Insertion of lithium ions into TiO2 (rutile) crystals:an EPR study of the Li-associated Ti3+ small polaron,” A. T. Brant, N. C. Giles,andL. E. Halliburton, Journal of Applied Physics (accepted, in press Jan 2013).
169. “Photoinduced EPR study of Sb2+ ions in photorefractive Sn2P2S6 crystals", A. T. Brant, L. E. Halliburton, S. A. Basun, A. A. Grabar, S. G. Odoulov, A. Shumelyuk, N. C. Giles, and D. R. Evans, Physical Review B 86, article no. 134109 (Oct 2012).
168.“Terahertz generation by optical rectification in uniaxialbirefringent crystals,” J. D. Rowley, J. K. Wahlstrand,K. T. Zawilski,P. G. Schunemann, N. C. Giles,and A. D. Bristow, Optics Express 20, pp. 16968-16973 (July 2012).
167.“Broadband terahertz pulse emission from ZnGeP2,” J. D. Rowley, J. K. Pierce, A. T. Brant, L. E. Halliburton, N. C. Giles, P. G. Schunemann, and A. D. Bristow, Optics Letters 37, pp. 788-790 (March 2012).
166.“Hydrogen donors and Ti3+ ions in reduced TiO2 crystals”, A. T. Brant, Shan Yang, N. C. Giles, and L. E. Halliburton, Journal of Applied Physics 110, article no. 053714 (7 pages) (published online Sept2011).
165. "Oxygen vacancies adjacent to Cu2+ ions in TiO2 (rutile) crystals",A. T. Brant, Shan Yang, N. C. Giles, M. Zafar Iqbal, A. Mannivannan, and L. E. Halliburton, Journal of Applied Physics 109, article no.073711 (7 pages) (2011).
164.“Characterization of Green-Emitting Translucent Znic Oxide Ceramics Prepared Via Spark Plasma Sintering”, Mei Hong, Daniela Fredrick, David M. DeVito, Jany Y. Howe, Xiaocheng Yang, Nancy C. Giles, John S. Neal, and Zuhair A. Munir, International Journal of Applied Ceramic Technology (2010), on-line (doi:10.1111/j.1744-7402.2010.02527.x).
163. “Optical and EPR study of point defects in CdSiP2,” N.C. Giles, L.E. Halliburton, Shan Yang, Xiaocheng Yang, A.T. Brant, N.C. Fernelius, P.G. Schunemann, and K.T. Zawilski, Journal of Crystal Growth 312, pp. 1133-1137 (2010), online (doi: 10.1016/j. jcrysgro.2009.10.009).
162.“Investigation of ZnO-based polycrystalline ceramic scintillators for use as alpha-particle detectors,” John S. Neal, David M. Devito, Mei Hong, Banu Kesanli, Joanne O. Ramey, Beth L. Armstrong, Xiaocheng Yang, Nancy C. Giles, Jane Y. Howe, Dariusz J. Wisniewski, Monika Wisniewska, Zuhair A. Munir, and Lynn A. Boatner, IEEE Transactions of Nuclear Sciences 56, No.3,pp. 892-898 (2009).
161. “Hall effect analysis of bulk ZnO comparing different crystal growth techniques,” Xiaocheng Yang and N.C. Giles, Journal of Applied Physics 105, article no. 063709/8 pages (2009).
160.“A Simple Aqueous Metathesis Reaction Yields New Lanthanide Monothiophosphates,” Nathan J. Takas, Lauren E. Slomka, Xiaocheng Yang, Nancy Giles, and Jennifer A. Aitken, Journal of Solid State Chemistry 181, pp. 3044-3050 (2008).
159.“Intrinsic electron mobilities in CdSe, CdS, ZnO, and ZnS and analysis of temperature-dependent Hall measurements,” Xiaocheng Yang, Chunchuan Xu, and N.C. Giles, Journal of Applied Physics 104, article no. 073727/6 pages (2008).
158. “Evaluation of melt-grown ZnO single crystals for use as alpha-particle detectors,” John S. Neal, Nancy C. Giles, Xiaocheng Yang, R. Andrew Wall, K. Burak Ucer, Richard T. Williams, Dariusz J. Wisniewski, Lynn A. Boatner, Varathajan Rengarajan, Jeff Nause, and Bill Nemeth, IEEE Transactions on Nuclear Sciences, Vol. 55, pp. 1397-1403 (2008).
157.“EPR and optical study of oxygen and zinc vacancies in electron-irradiated ZnO,” L.A.. Kappers, O.R. Gilliam, S.M. Evans, L E. Halliburton, and N.C. Giles, Nuclear Instruments and Methods in Physics Research B, Vol. 266, Issues 12/13, pp. 2953-2957 (2008).
156.“Further characterization of oxygen vacancies and zinc vacancies in electron-irradiated ZnO,” S.M. Evans, N.C. Giles, L.E. Halliburton, and L.A. Kappers, Journal of Applied Physics 103, article no. 043710/7 pages (2008).
155.“Role of neutral impurity scattering in the analysis of Hall data from ZnO and other II-VI materials,” Xiaocheng Yang, Chunchuan Xu, and N.C. Giles, in Zinc Oxide and Related Materials—2007, edited by D.P. Norton, C. Jagadish, I. Buyanova, and G-C. Yi (Mater. Res. Soc. Symp. Proc. Volume 1035E, Warrendale, PA, 2008), L04-07.