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Publications

2012

A. L. Washington II, L. C. Teague, Martine C. Duff, Arnold Burger, Michael Groza and Vladimir Buliga, Response of the Internal Electric Field in CdZnTe to Illumination at Multiple Optical Powers, Journal of Electronic Materials, Vol 41, Issue 10, Pages 2874-2879, 2012,  DOI: 10.1007/s11664-012-1922-z

U. N. Roy, S. Weiler, J. Stein, Y. Cui, M. Groza, V. Buliga, A. Burger, Zinc mapping in THM  grown detector grade CZT, Journal of Crystal Growth, Vol 347, Issue 1, pages 53-55, 2012,   http://dx.doi.org/10.1016/j.jcrysgro.2012.03.013

L. C. Teague, A. L. Washington, II, M. C. Duff, M. Groza, V. Buliga, A. Burger, Photo-induced Bulk Currents in CdZnTe Crystals as a Function of Illumination Wavelength, Journal of Physics D,Vol  45, Issue 10, page 105101, 2012, http://dx.doi.org/10.1088/0022-3727/45/10/105101

Q. Li, J. Q. Grim, K. B. Ucer, A. Burger, G. A. Bizarri, W. W. Moses, R. T. Williams, Host structure dependence of light yield and proportionality in scintillators in terms of hot and thermalized carrier transport, Physica Status Solidi, Vol 6, Issue 8, pages 346-348, 2012 DOI: 10.1002/pssr.201206258

M. Cardona, R. K. Kremer, R. Lauck, A. H. Romero, A. Muñoz, and A. Burger, Phonons and Electrons in Chalcopyrite Semiconductors, AIP Conference Proceedings, Vol 1506, pages 40-44, 2012, http://dx.doi.org/10.1063/1.4772522

E. Rowe, P. Bhattacharya, E. Tupitsyn, M. Groza, A. Burger, N. J. Cherepy, S. A. Payne, B. Sturm, C. Pédrini, A New Lanthanide Activator for Iodide based Scintillators: Yb2+, IEEE Transactions on Nuclear Science, Submitted.J. Q. Grim, Q. Li, K. B. Ucer, A. Burger, G. A. Bizarri, W. W. Moses, R. T. Williams, The roles of thermalized and hot carrier diffusion in determining light yield and proportionality of scintillators, Physica Status Solidi, Vol 209, Issue 12, pages 2421-2426, 2012, DOI 10.1002/pssa.201200436

E. Tupitsyn, P. Bhattacharya,  E. Rowe, L. Matei, M. Groza, B. Wiggins, A. Burger, A. Stowe, Single crystal of LiInSe2 semiconductor for neutron detector, Applied Physics Letters, Vol 101, page 202101, 2012, http://dx.doi.org/10.1063/1.4762002

V. Pankratov, A. I. Popov, L. Shirmane, A. Kotlov, G. A. Bizarri, A. Burger, P. Bhattacharya, E. Tupitsyn, E. Rowe, V. M. Buliga, R. T. Williams, Luminescence of SrI2, SrI2:Eu2+, BaI2, and BaI2:Eu2+ under synchrotron radiation and x-ray excitation, Opt. Materials, Vol 34, pages 926-930, 2012, Submitted.

V. Pankratov, A.I. Popov, L. Shirmane, A. Kotlov, G.A. Bizarri, A. Burger, P. Bhattacharya, E. Tupitsyn, E. Rowe, V.M. Buliga, and R.T. Williams, Luminescence and Ultraviolet Excitation Spectroscopy of SrI2 and SrI2:Eu2+, Radiation Measurements (submitted)

R. T. Williams, Joel Q. Grim, Qi Li, K. B. Ucer, A. Burger, P. Bhattacharya, E. Tupitsyn, E. Rowe, V. M. Buliga, and G. A. Bizarri, Kinetic order and rate constants of quenching in scintillators and semiconductors measured by z-scan luminescence yield, MRS Proceedings (submitted)

J. Q. Grim, K. B. Ucer, A. Burger, P. Bhattacharya, E. Tupitsyn,E. Rowe, V. M. Buliga, L. Trefilova,  A. Gektin, G. A. Bizarri, W.W. Moses, and R. T. Williams, Nonlinear quenching of densely excited states in wide-gap solids, submitted to Phys Rev B.

2011


Y. Cui, R. Hawrami, E. Tupitsyn, P. Bhattacharya, M. Groza, V. Buliga, A. Burger, N. J. Cherepy, S. A. Payne, Raman Spectroscopy study of BaI2:Eu and SrI2:Eu scintillator crystals, Solid State Communications, Vol. 151, pages 541-544,  April, 2011, doi:10.1016/j.ssc.2010.12.041

R. Santos-Ortiz, E. Tupitsyn, I. Nieves, P. Bhattacharya, A. Burger, Growth improvement and characterization of AgGaxIn1-xSe2 chalcopyrite crystals using the horizontal Bridgman techniqueJournal of Crystal Growth, Vol. 314, Issue 1, pages 293–297, January 1, 2011, http://dx.doi.org/10.1016/j.jcrysgro.2010.10.171

N. Zhang, A. Yeckel, A. Burger, Y. Cui, Kelvin G. Lynn, Jeffrey J. Derby, Anomalous segregation during electrodynamic gradient freeze growth of cadmium zinc telluride Journal of Crystal Growth, Vol. 325, Issue 1, page 10-19, June 15, 2011, http://dx.doi.org/10.1016/j.jcrysgro.2011.04.041

K. G. Stassun, S. Sturm, K. Holley-Bockelmann, A. Burger, D. J. Ernst, D. Webb The Fisk-Vanderbilt Master’s-to-Ph.D. Bridge Program: Recognizing, enlisting, and cultivating unrealized or unrecognized potential in underrepresented minority students, American Journal of Physics, Vol. 79, Issue 4, pages 374-379, April 2011 http://dx.doi.org/10.1119/1.3546069

Y. Cui, E. Tupitsyn, R. Hawrami, P. Bhattacharya, M. Groza, V. Buliga, I. Nieves, A. Burger, Nerine J. Cherepy, S. A. PayneMicro-Raman Imaging of SrI3- Anions in SrI2:Eu Scintillator CrystalsIEEE Xplore, doi:10.1109/NSSMIC.2010.5873749

I. Nicoara, D. Nicoara, C. Bertorello, G.A. Slack, A. G. Ostrogorsky, M. Groza and A. Burger, Czochralski Growth of Indium Iodide and other Wide Bandgap Semiconductor Compounds, MRS Proceedings, Vol. 1341,  July 12, 2011, doi:10.1557/opl.2011.1111

M.C. Duff, J.P. Bradley, Z.R. Dai, N. Teslich, A. Burger, M. Groza and V. Buliga, Characterization of Pd Impurities and Finite-Sized Defects in Detector Grade CdZnTe, MRS Proceedings, Vol. 1341, July 13, 2011, doi:10.1557/opl.2011.1107

U. N. Roy, S. Weiler, J. Stein, M. Groza, V. Buliga, A. Burger, Charge transport properties of as-grown CZT by traveling heater methodNuclear Instruments and Methods in Physics Research AVol. 652, Issue 1 pages 162-165,  October 1, 2011 doi:10.1016/j.nima.2011.01.143

U. N. Roy ,S. Weiler ,J. Stein, M. Groza, V. Buliga , and A. Burger, Internal Electric Field Estimation, Charge Transport and Detector Performance of As-Grown Cd0.9Zn0.1Te: In by THM, IEEE Trans. Nucl. Sci. Vol. 58, Issue 4, pages 1949-1952, August 15, 2011 doi:10.1109/TNS.2011.2159389

N.J. Cherepy, S.A. Payne, B.W. Sturm, S.P O’Neal, Z.M Seeley, O.B. Drury, L.K. Haselhorst, B.L. Rupert, R.D. Sanner, P.A. Thelin, S.E. Fisher, R. Hawrami, K.S. Shah, A. Burger, J. O. Ramey, L.A. Boatner, Performance of Europium-Doped Strontium Iodide, Transparent Ceramics and Bismuth-loaded Polymer Scintillators, Proceedings Of SPIE, Vol. 8142 81420W, August 22, 2011, http://dx.doi.org/10.1117/12.896656

U. N. Roy, S. Weiler, J. Stein, M. Groza, Y. Cui, V. Buliga, A. Burger, Growth, characterization and fabrication of thick detectors from as-grown Cd0.9Zn0.1Te:In by traveling heater method, Proceedings Of SPIE, Vol. 8142 814215, August 22, 2011, http://dx.doi.org/10.1117/12.896351

S. Baker, W. Dreesen, D. Schwellenbach, J. Young, A. Burger, M. Groza and L. Franks, E-beam electron mobility study on CZT and CsI, Proceedings Of SPIE, Vol. 8142 81421G, August 22, 2011, http://dx.doi.org/10.1117/12.895263

L.C. Teague, A.L. Washington II, M.C. Duff, M. Groza, V. Buliga, and A. Burger Illumination response of CdZnTe, Proceedings Of SPIE, Vol. 8142 814205,  August 22, 2011, http://dx.doi.org/10.1117/12.892398

A.C. Stowe, J. Morrell, P. Battacharya, E. Tupitsyn, and A. Burger, Synthesis of a potential semiconductor neutron detector crystal LiGa(Se/Te)2: materials purity and compatibility effects, Proceedings Of SPIE, Vol. 8142 81421H, August 22, 2011, http://dx.doi.org/10.1117/12.894968

K. Lee, J. W. Martin, A. Garson III, Q. Guo, M. Beilicke, H. Krawczynski, J. Matteson, M. Groza, A. Burger, G. de Geronimo, Development of CZT detectors for x-ray and gamma-ray astronomy, Proceedings Of SPIE, Vol. 8142 81420D, August 22, 2011, http://dx.doi.org/10.1117/12.893595

N. Santiago-Figueroa, M. E. Putman, J. Werk, G. R. Meurer, E. Ryan-Weber, A Gaseous Group with Unusual Remote Star Formation, PASA, Vol. 28, Issue 3, pages 271-279, September 23, 2011, DOI: 10.1071/AS11008

A.L. Washington II, L.C. Teague, M.C. Duff, A. Burger, M. Groza, and V. Buliga, Effect of sub-bandgap illumination on the internal electric field of CdZnTe, Journal of Applied Physics, Vol. 110, Issue 7 73708 October 12, 2011, doi:10.1063/1.3638443

U. N. Roy, S. Weiler, J. Stein, M. Groza, A. Burger, A. E. Bolotnikov, G. S. Camarda, A. Hossain, G. Yang and R. B. James<Growth of detector-grade CZT by Traveling Heater Method (THM): An advancement, MRS Proceedings, Vol. 1341, October 12, 2011, DOI:10.1557/opl.2011.1478

J.Q. Crim, Qi Li, K. B. Ucer, R.T. Williams, A. Burger, P. Bhattacharya, E. Tupitsyn, G. A. Bizarri, W.W. Moses, Nonlinear Quenching rates in SrI2 and CsI scintillator hosts, MRS Proceedings, Vol. 1341, October 17, 2011, DOI:10.1557/opl.2011.1483

D. Sohler, S. Grévy,  Z. Dombrádi, O. Sorlin, L. Gaudefroy, B. Bastin, N.L. Achouri, J.C. Angélique, F. Azaiez, D. Baiborodin, R. Borcea, C. Bourgeois, A. Buta, A. Burger, j, L. Caceres, R. Chapman, J.C. Dalouzy, Z. Dlouhy, A. Drouard, Z. Elekes, S. Franchoo, S. Iacob, I. Kuti, B. Laurent, M. Lazar, X. Liang, E. Liénard, S.M. Lukyanov, J. Mrazek, L. Nalpas, F. Negoita, F. Nowacki, N.A. Orr, Yu.E. Penionzkhevitch, Zs. Podolyák, F. Pougheon, A. Poves, P. Roussel-Chomaz, M. Stanoiu, I. Stefan, M.G. St-Laurent, Spectroscopy of 39,41Si and the border of the N=28 island of inversion, Physics Letters B, Vol. 703, Issue 4, pages 417-421, September 20, 2011, http://dx.doi.org/10.1016/j.physletb.2011.08.004

A.L. Washington, L.C. Teague, M.C. Duff, A. Burger, M. Groza and V. Buliga, The Effect of Various Detector Geometries on the Performance of CZT Using One Crystal, Journal of Electronic Materials, Vol. 40, Issue 8, pages 1744-1748, June 28, 2011, DOI: 10.1007/s11664-011-1675-0

B.W. Strum, N.J. Cherepy, O.B. Drury, P.A. Thelin, S.E. Fisher, S.A. Payne, A. Burger, L.A. Boatner, J.O. Ramsey, K.S. Shah, R.Hawrami, Effects of packaging SrI2(Eu) scintillator crystals, Nuclear Instruments and Methods in Physics Research A, Vol. 652, Issue 1, 1 October 2011, Pages 242-246, doi:10.1016/j.nima.2010.10.041

2010


S.A. Awadalla, J. Mackenzie, H. Chen, B. Redden, G. Bindley, M.C. Duff, A. Burger, M. Groza, V. Buliga, J.P.Bradley, Z.R. Dai, N. Teslich, D.R. Black, Characterization of detector-grade CdZnTe crystals grown by traveling heater method (THM) Journal of Crystal Growth, Vol. 312, Issue4, page 507-513, 2010 doi:10.1016/j.jcrysgro.2009.11.007

A.J. Nelson, T.A. Laurence, A.M. Conway, E.M. Behymer, B.W.Sturm, L.F. Voss, R.J. Nikolic, S.A. Payne, A. Mertiri, G. Pabst, K.C. Mandal, A. Burger, Spectroscopic investigation of (NH4)2S treated GaSeTe for radiation detector applications, Materials Letters, Vol. 64, Issue 3,page 393-395,  2010 doi:10.1016/j.matlet.2009.11.027

P. Bhattacharya, M.Groza, Y.Cui, D. Caudel, T. Wrenn, A. Nwankwo, A.Burger, G. Slack, A.G. Ostrogorsky, Growth of InI single crystals for nuclear detection applications, Journal of Crystal Growth, Vol. 312, Issue 8, page 1228-1232, 2010 doi:10.1016/j.jerysgro.2009.12.021

M. Groza, H. Krawczynski, A. Garson, J.W. Martin, K.Lee, Q. Li, M. Beilicke, Y. Cui, V. Buliga, M. Guo, C. Coca, A. Burger, Investigation of the internal electric field in cadmium zinc telluride detectors using the Pockels effect and the analysis of charge transients, Journal of Applied Physics, Vol. 107, Issue 2, Article 023704, 2010 doi:10.1063/1.3272882

E.S. Elishazly, G. Tepper, A. Burger, Charge trapping in detector grade thallium bromide and cadmium zinc telluride: Measurement and theory, Nuclear Instruments and Methods in Physics Research A, Vol. 620, Issues 2-3, page 279-284, 2010 doi:10.1016/j.nima.2010.02.263

Z.Pan, A. Ueda , R. Aga , A. Burger, R. Mu ,S. H.Morgan, Spectroscopic studies of Er3+ doped Ge-Ga-S glass containing silver nanoparticles, Journal of Non-Crystalline Solids, Vol. 356, Issues 23-24, page 1097-1101, 2010 doi:10.1016.j.jnoncrysol.2010.04.014

K.G.Stassun, A. Burger, S.E. Lange, The Fisk-Vanderbilt Masters-to-PhD Bridge Program: A Model for Broadening Participation of Underrepresented Groups in the Physical Sciences through Effective Partnerships with Majority-Serving Instructions (PDF) Journal of Geoscience Education, Vol. 58, Issue 3, page 135-144, 2010

Y. Cui, U.N. Roy, P. Bhattacharya, A. Parker, A. Burger, J.T. Goldstein, Raman spectroscopy study ofAgGaSe2, AgGa0.9In0.1Se2, and AgGa0.8In0.2Se2 crystals, Solid State Communications, Vol.150, Issues 35-36, page 1686-1689, 2010 doi:10.1016/j.ssc.2010.06.022

Washington AL, Teague LC, Duff MC, Burger A, Groza M, Buliga V, Atmospheric Effects on the Performance of CdZnTe Single-Crystal Detectors, JOURNAL OF ELECTRONIC MATERIALS, Vol. 39, Issue 7, page 1104-1109, 2010 DOI: 10.1007/s11664-010-1193-5

2009

Y. Cui, D. D. Caudel, P. Bhattacharya, A. Burger, K. C. Mandal, D. Johnstone and S. A. Payne, Deep levels in GaTe and GaTe:In crystals investigated by deep-level transient spectroscopy and photoluminescence, Journal of Applied Physics, Vol. 105, Issue 5, page 53709, 2009 doi:10.1063/1.3080157

L.C. Teague, S.A. Hawkins, M.C. Duff, M. Groza, V. Buliga, A. Burger, AFM Characterization of Raman Laser-Induced Damage on CdZnTe Crystal Surfaces, Journal of Electronic Materials, Vol. 38, Number 8, page 1522-1527, 2009 doi:10.1007/s11664-009-0763-x

M.C.Duff, D.B. Hunter, A. Burger, M. Groza, V. Buliga, J.P.Bradley, G. Graham, Z.R. Dai, N. Teslich, D. R. Black, A. Lanzirotti, Characterization of heterogeneities in detector-grade CdZnTe Crystals Journal of Materials Research, Vol.24, Issue 4, page 1361-1367, 2009,doi:10.1557/JMR.2009.0165

O.S. Babalola, A.E.Bolotnikov, M. Groza, A. Hossain, S. Egarievwe, R. B. James, A. Burger, Study of Te inclusions in CdMnTe crystals for nuclear detector applications, Journal of Crystal Growth, Vol. 311, Issue 14, page 3702-3707, 2009 doi:10.1016/j.jcrysgro.2009.04.037

N.J.Cherepy, S.A. Payne, S.J. Asztalos, G. Hull, J.D. Kuntz, T. Niedermayr, S. Pimputkar, J. J. Roberts, R. D. Sanner, T. M. Tillotson, E. van Loef, W. S. Choong, W. W. Moses, C. M. Wilson, K. S. Shah, U. N. Roy, R. Hawrami, A. Burger, L. A. Boatner, Scintillators With Potential to Supersede Lanthanum Bromide, IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol. 56, Issue 3, page 873-880,  2009  http://ieeexplore.ieee.org/iel5/23/5075924/05076052.pdf?arnumber=5076052&;authDecision=-203">doi:10.1109/TNS.2009.2020165

J.Mackenzie, H. Chen, S. A. Awadalla, P. Marthandam, R. Redden, G. Bindley, Z. He, D. R. Black, M. Duff, M. Amman, J. S. Lee, P. N. Luke, M. Groza, A. Burger, Recent advances in THM CZT for Nuclear Radiation detection, MRS Proceedings, Vol. 1164, page 155-164, 2009 doi:10.1557/PROC-1164-L10-04

Z.Pan, K. James, Y. Cui, A. Burger, N. Cherepy, S. A. Payne, A. Ueda, R. Aga Jr, R. Mu, S. H. Morgan, Tb-doped Aluminosilicate Oxyflouride Scintillating Glass and Glass-ceramic, MRS Proceedings, Vol. 1164, page 115-120, 2009 doi: 10.1557/PROC-1164-L09-03

O. S. Babalola, A. E. Bolotnikov, S. Egarievwe, A. Hossain, A. Burger, R. B. James, Effect of Te Inclusions on internal electric field of CdMnTe Gamma-Ray Detectors, Proceedings Of SPIE, Vol. 7449, Article 74491A, 2009 doi:10.1117/12.830214

J. W. Martin, A. B. Garson III, Q. Li, K. Lee, M. Groza, V. Buliga, A. Burger, H. Krawczynski Dual anode contact geometries for x-ray and gamma-ray spectroscopy and 3D localization, Proceedings Of SPIE, Vol. 7449, Article 744904, 2009 doi:10.1117/12.830115

N. J. Cherepy, B. W. Sturm, O. B. Drury, T. A. Hurst, S. A. Sheets, L. E. Ahle, C. K. Saw, M. A. Pearson, S. A. Payne, A. Burger, L. A. Boatner, J. O. Ramey, E. V. van Loef, J. Glodo, R. Hawrami, W. M. Higgins, K. S. Shah, W. W. Moses, SrI2 scintillator for gamma ray spectroscopy, Proceedings Of SPIE, Vol. 7449, Article 74490F, 2009 doi:10.1117/12.830016

Nerine J. Cherepy, Steve A. Payne, Rastgo Hawrami, A. Burger, Lynn Boatner, Edgar van Leof, Kanai Shah, Prospects for High Energy Resolution Gamma Ray Spectroscopy with Europium-Doped Strontium Iodide, MRS Proceedings, Volume116, 2009, doi:10.1557/PROC-1164-L11-04

2008

M. C. Duff, D. B. Hunter, A. Burger, M. Groza, V. Buliga and D. R. Black, Effect of Surface Preparation Technique on the Radiation Detector Performance of CdZnTe, Applied Surface Science, Vol. 254, Page 2889-2892, 2008 doi:10.1016/j.apsusc.2007.10.064 

N. J. Cherepy, G. Hull, A. D. Drobshoff, S.A. Payne, E. van Loef, C. M. Wilson, K. S. Shah, U. N. Roy, A. Burger, L. A. Boatner, W. S. Choong, and W. W. Moses, Strontium and Barium Iodide High Light Yield Scintillators, Applied Physics Letters, Vol. 92, page 83508, 2008 doi:10.1063/1.2885728s 

A. E. Bolotnikov, S. Babalola, G. S. Camarda, Y. Cui, S. U. Egarievwe, P. M. Fochuk, R. Hawrami, A. Hossain, J. R. James, I. J. Nakonechnyj, G. Yang, R. B. James, Spectral responses of virtual Frisch-grid CdZnTe detectors and their relation to IR microscopy and X-ray diffraction topography data, Proceedings of SPIE, Vol. 7079, Article 707903, 2008 doi:10.1117/12.796232 

K. C. Mandal, A. Mertiri, G. W. Pabst, R. G. Roy, Y. Cui, P. Battacharya, M. Groza, A. Burger, A. M.Conway, R. J. Nikolic, A. J. Nelson, S. A. Payne, Layered III-VI Chalcogenide Semiconductor Crystals for Radiation Detectors, Proceedings of SPIE, Vol. 7079, Article 70790O, 2008 doi:10.1117/12.796235

S. A. Hawkins, L. C. Teague, E. Villa-Aleman, M. C. Duff, A. Burger, M. Groza, V. Buliga, AFM characterization of laser induced damage on CdZnTe crystal surfaces, Proceedings of SPIE, Vol. 7079, Article 70790R, 2008 doi:10.1117/12.798574 

M. C Duff, A. Burger, M. Groza, V. Buliga, J. P. Bradley, Z. R. Dai, N. Teslich, D. R. Black, S. A. Awadalla, J. Mackenzie, H. Chen, Characterization of Detector Grade CdZnTe Material from Redlen Technologies, Proceedings of SPIE, Vol. 7079, Article 70790T, 2008 doi:10.1117/12.798921

R. Hawrami, M.Groza, Y. Cui, A.Burger, M. D. Aggarwal, N. Cherepy, S.A. Payne, SrI2, a Novel Scintillator Crystal for Nuclear Isotope Identifiers, Proceedings of SPIE, Vol. 7079, Article 70790Y, 2008  doi:10.1117/12.798335

A. Hossain, S. Babalola, A. E. Bolotnikov, G. S. Camarda, Y. Cui, G.Yang, M. Guo, D. Kochanowska, A. Mychilski, A. Burger, R. B. James, Effect of chemical etching on the surface roughness of CdZnTe and CdMnTe gamma radiation detectors, Proceedings of SPIE, Vol. 7079, Article 70791E, 2008  doi:10.1117/12.796797 

A. K. Pradhan, R. B. Konda, H. Mustafa, R. Mundle, O. Bamiduro, U. N. Roy, Y. Cui, and A. Burger, Surface plasmon resonance in CdSe semiconductor coated with gold nanoparticles, Optical Society of America, Vol. 16, Issue 9, page 6202-6208, 2008 doi:10.1364/OE.16.006202

A. Hossain, A. Bolotnikov, G. Camarda, Y. Cui, S. Babalola, A. Burger, R. James, Effects of Surface Processing on the Response of CZT Gamma Detectors: Studies with a Collimated Synchrotron X-Ray Beam, Journal of Electronic Materials, Vol. 37, Nr. 9, page 1356-1361, 2008 doi:10.1007/s11664-008-0431-6 <

D. Black, J. Woicik, M. C. Duff, D. B. Hunter, A. Burger, M. Groza, X-ray Topography to Characterize Surface and Damage on CdZnTe Crystals, Materials Research Society Symp. Proc., Vol.1038,Page 51-59, 2008

Y. Cui, R. Dupere, and A. Burger, Acceptor levels in GaSe:In crystals investigated by deep-level transient spectroscopy and photoluminescence, Journal of Applied Physics, Vol. 103, Page 13710, 2008  doi:10.1063/1.2831130

D. K. Sardar, S. R. Chandrasekharan, K. L.Nash, J. B. Gruber, A. Burger, and U. N. Roy,Intensity analysis and crystal-field modeling of Ho3+ in KPb2Cl5 host Journal of Applied Physics, Vol. 103, Issue 9, page 93112, 2008 doi:10.1063/1.2919765

Y. Cui, U.N. Roy, A. Burger, and J. T. Goldstein, Photoluminescence study of AgGaSe2, AgGa0.9In0.1Se2, and AgGa0.8In0.2Se2 crystals grown by the horizontal Bridgman technique, Journal of Applied Physics, Vol.103, Issue 12, page 123514, 2008 doi:10.1063/1.2940739

A. Bolotnikov, N. Abdul-Jabbar, O. Babalola, G. Camarda, Y. Cui, A. Hossain, E. Jackson, H. Jackson, J. James, Effect of Te Inclusions on the Performance of CdZnTe Radiation Detectors, IEEE Trans. Nucl. Sci., Vol. 55, Issue 5, page 2757-2764, 2008 doi:10.1109/TNS.2008.2003355

2007

T. Niedermayr, I. D. Hau, A. Burger, U.N. Roy, Z. W. Bell and S. Friedrich, Unfolding of cryogenic neutron spectra, Nuclear Instruments and Methods in Physics Research A, Vol. 579, page 165-168, 2007  doi:10.1016/j.nima.2007.04.031 

R. B. Konda, R. Mundle, H. Mustaf, O. Bamidur, and A. K. Pradhan, U. N. Roy, Y. Cui, and A. Burger, Surface plasmon excitation via Au nanoparticles in n-CdSe/p-Si heterojunction diodes, Applied Physics Letters, Vol. 91, page 191111, 2007 doi:10.1063/1.2807277

U. N. Roy, M. Groza, Y. Cui, A. Burger, N. Cherepy, S. Friedrich and S. A. Payne, K2CeCl5: A New Scintillator Material, Nuclear Instruments and Methods in Physics Research A, Vol. 579, page 46-49, 2007  doi:10.1016/j.nima.2007.04.126

M. C. Duff, D. Hunter, P. Nuessle, D. R. Black, H. Burdette, J. Woicik, A. Burger, M. Groza, Synchrotron X-ray based characterization of CdZnTe crystals, Journal of Electronic Materials,Vol. 36, page 1092-1097, 2007  doi:10.1007/s11664-007-0181-x

K. C. Mandal, S. Hoon Kang, M. Choi, J. Zheng, L. Wei, H. Zhang, G. E. Jellison, M. Groza, A. Burger, Component over-pressure growth and characterization of high-resistivity CdTe crystals for radiation detectors Journal of Electronic Materials, Vol. 36, page 1013-1020, 2007 doi:10.1007/s11664-007-0164-y

R. Hawrami, A. K Batra, M. D Aggarwal, U. N. Roy, M. Groza, Y. Cui, A. Burger, N. Cherepy, T. Niedermayr, S. A. Payne, New scintillator materials (K2CeBr5) and (Cs2CeBr5), Journal of Crystal Growth, Vol. 310, Page 2099-2102, 2007 

G. S. Camarda, N. M. Abdul-Jabbar, S. Babalola, A. E. Bolotnikov, Y. Cui, A. Hossain, E. Jackson, H. Jackson, R. J. James, A. L. Liryi, M. Groza, A. Burger, R. B.James, Characterization and Measurements of CZT Materials: Novel Techniques and Results, Proceedings of SPIE, Vol. 6706, Article 670605, 2007  doi:10.1117/12.739604

K. C. Mandal, M. Choi, S. Hoon Kang, R. David Rauh, J. Wei, H. Zhang, L. Zheng, Y. Cui, M. Groza, A. Burger, GaSe And GaTe Anisotropic Layered Semiconductors for Radiation Detectors, Proceedings Of SPIE, Vol. 6706, Article 67060E, 2007 doi:10.1117/12.739399

N. J. Cherepy, G. Hull, T. R. Niedermayr, A. Drobshoff, S. A. Payne, U. N. Roy, Y. Cui, P. Batttacharaya, M. Harrison, M. Guo, M. Groza, A. Burger, Barium Iodide single-crystals scintillator detectors, Proceedings Of SPIE, Vol. 6706, Article 670616, 2007 doi:10.1117/12.738973 

W. J. Kerman, A. Burger, M. Groza, L. A. Frank, Mercuric iodide photocell technology for room temperature readout of scintillators, Proceedings of SPIE, Vol. 6706, Article 67060G, 2007  doi:10.1117/12.739778

I. Jung, H. Krawczynski, A. Burger, M. Guo, M. Groza, Detailed Studies of Pixelated CZT Detectors Grown with the Modified Horizontal Bridgman Method, Astroparticle Physics, Vol. 28, Issue 4 - 5, Page 397 - 408, 2007  doi:10.1016/j.astropartphys.2007.08.004

Y. Cui, U. N. Roy, L. Bai, A. Burger, S. Roger Qiu and K. Schaffers, Characterization of bubble core and cloudiness in Yb3+:Sr5(PO4)3F crystals using micro-Raman spectroscopy, Journal of Applied Physics, Vol. 102, Page 13505, 2007 doi:10.1063/1.2751485

H. Mustafa, D. Hunter, A. K. Pradhan, U. N. Roy, Y. Cui and A. Burger, Synthesis and Characterization of AgInSe2 for application in thin film solar cells, Thin Solid Films, Vol. 515, Page 7001-7004, 2007  doi:10.1016/j.tsf.2007.02.054

2006

M. Luo, N.Y. Garces, N. C. Giles, U. N. Roy, Y. Cui and A. Burger, Optical and electron paramagnetic resonance spectroscopies of diffusion--doped Co2+:ZnSe, Journal of Applied Physics, Vol. 99, page 73709, 2006  doi:10.1063/1.2188030

A. K. Pradhan, T. M. Williams, K. Zhang, D. Hunter, J. B. Dadson, K. Lord, U. N. Roy, Y. Cui and A. Burger, Growth of aligned ZnO nanorods, Journal of Nanoscience and Nanotechnology, Vol. 6, page 1985, 2006  doi:10.1166/jnn.2006.318

Y. Cui, M. Groza, G. W. Right, U. N. Roy, A. Burger, L. Li, F. Lu, M. A. Black and R. B. James, Characterization of Cd1-xZnxTe crystals grown from modified vertical Bridgman technique, Journal of Electronic Materials, Vol. 35, page 1267, 2006 doi:10.1007/s11664-006-0253-3

A. K. Pradhan, J. B. Dadson, D. Hunter, K. Zhang, S. Mohanty, E. M. Jackson, B. Lasley-Hunter, K. Lord, T. M.Williams, R. R. Rakhimov, J. Zhang, D. J. Sellmyer, K. Inaba, T. Hasegawa, S. Matthews, B. Joseph, B. R. Sekhar, U. N. Roy, Y. Cui and A. Burger, Ferromagnetic properties of epitaxial manganite films on SrTiO3/Si heterostructures, Journal of Applied Physics, Vol. 100, Page 33903, 2006 doi:10.1063/1.2222402

K. C. Mandal, S. H. Kang, M. C. Choi, J. Bello, L. Zheng, H. Zhang, M. Groza, U. N. Roy, A. Burger, G. E. Jellison, D. E. Holcomb, G. W. Wright and J. A. Williams, Simulation, Modeling, and Crystal Growth of Cd0.9Zn0.1Te for Nuclear Spectrometers, Journal of Electronic Materials, Vol. 35, Page 1251, 2006  doi:10.1007/s11664-008-0450-3

U.N. Roy, Y. Cui, R. Hawrami, A. Burger, L. Orona and J. T. Goldstein, AgGaSe2: a highly photoconductive material, Solid State Communications, Vol. 139, Page 527, 2006 doi:10.1016/j.ssc.2006.07.018

J. B. Gruber, R. M. Yow, A. S.Nijjar, C. C. Russel III, D. K. Sardar, B. Zandi, A. Burger and U. N. Roy, Modelling the crystal-field splitting of energy levels of Er3+ (4F11) in charge compensated sites of KPb2Cl5, Journal of Applied Physics, Vol. 100, Page 43108, 2006 doi:10.1063/1.2244416

I. D. Hau, T. R. Niedermayr, O. B. Drury, A. Burger, Z. Bell, S. Friedrich, Neutron absorption spectroscopy for identification of light elements in actinides, Nuclear Instruments and Methods in Physics Research Section A, Vol. 559, Issue 2, Page 745-747, 2006 doi:10.1016/j.nima.2005.12.125

2005 

U. N. Roy, R.H. Hawrami, Y. Cui, S. Morgan, A. Burger, K. C. Mandal, C. C. Noblitt, S. A. Speakman, K. Rademaker and S. A. Payne, Tb3+- doped KPb2Br5: a low phonon mid-IR laser crystal, Applied Physics Letters, Vol. 86, Page 151911, 2005 doi:10.1063/1.1901815

A. Mycielski, A. Burger, M. Sowinska, M. Groza, P. Wojnar, A. J. Szadkowski, B. Witkowska, W. Kaliszek, and P.Siffert, Is the (Cd,Mn)Te crystal a prospective material for X-ray and gamma-ray detectors?, Physica Status Solidi C, Vol. 2-5, Page 1578, 2005 doi: 10.1002/pssc.200460838 

Z. W. Bell, D. A. Carpenter, S. S. Cristy, V. E. Lamberti, A. Burger, B. F. Woodfield, T. Niedermayr, I. D. Hau, S. E. Labov, S. Friedrich, K. R. Pohl, L. van den Berg, Neutron Detection with Cryogenics and Semiconductors, Physica Status Solidi C, Vol. 2-5, page 1592, 2005 doi: 10.1002/pssc.200460840

H. Krawczynski, I. Jung, J. Perkins, A. Burger, and M.Groza, Thick CZT Detectors for Space-Borne X-ray Astronomy, SPIE Proceedings, Vol. 5540, page 13, 2005 doi: 10.1117/12.558912

Z. Pan, A. Zavalin, A. Ueda, M. Guo, M. Groza, A. Burger, R. Mu, and S. H. Morgan, Surface-Enhanced Raman Spectroscopy Using Silver-Coated Porous Glass-Ceramic Substrates, Applied Spectroscopy, Vol. 59, Page 782-786, 2005 doi: 10.1002/jrs.1412

A.K. Pradhan, K. Jhang, S. Mohanty, J. B. Dadson, D. Hunter, J. Jhang, D. J. Sellmyer, U. N. Roy, Y. Cui, A. Burger, S. Mathews, B. Joseph, B. R. Sekhar and B. K. Roul, High temperature ferromagnetism in pulsed laser deposited epitaxial (Zn,Mn)O thin films: Effects of substrate temperature, Applied Physics Letters, Vol. 86, Page 152511, 2005 doi:10.1063/1.1897827

A. K. Pradhan, K. Zhang, S. Mohanti, J. Dadson, D. Hunter, G. B. Loutts, U. N. Roy, Y. Cui, A. Burger and A. L. Wilkerson, Luminescence and spectroscopic behavior of Eu 3+ doped Y2O3 epitaxial film grown by pulsed laser deposition, Journal of Applied Physics, Vol. 97, Page 23513, 2005 doi:10.1063/1.1830087

U. N. Roy, O. S. Babalola, J. Jones, Y. Cui, T. Mounts, A. Zavalin, S. Morgan and A. Burger, Uniform Cr2+ doping of physical vapor transport grown CdSxSe1-x crystals, Journal of Electronic Materials, Vol. 34, Page 19, 2005 doi:10.1007/s11664-005-0174-6

A. K. Pradhan, D. Hunter, J. B. Dadson, T. M. Williams, K. Zhang, K. Lord, B. Lasley, and R. R. Rakhimov, J. Zhang, D. J. Sellmyer, U. N. Roy, Y. Cui, A. Burger, C. Hopkins, N. Pearson, and A. L. Wilkerson, Ferromagnetism in nanocrystalline epitaxial Co:TiO2 thin films, Applied Physics Letters, Vol. 86, Page 222503, 2005 doi:10.1063/1.1944209

A. K. Pradhan, K. Jhang, D.Hunter, J. B. Dadson, G. B. Loutts, P. Bhattacharya, R. Katiyar, J. Jhang, D. J. Sellmyer, U. N. Roy, Y. Cui and A. Burger, Magnetic and electrical properties of single phase multiferroic BiFeO3, Journal of Applied Physics, Vol. 97, Page 93903, 2005 doi 10.1063/1.1881775

Z. Pan, S. H. Morgan, A. Ueda, R. Mu, Y. Cui, M. Guo, A. Burger, and Yin Yeh, Surface-Enhanced Raman Probing of Bio-molecules Using Ag-Coated Porous Glass-Ceramic Substrates, Journal of Raman Spectroscopy, Vol. 36, Page 1082-1087, 2005 doi: 10.1063/1.1881775

E. Bolotnikov, G. S. Camarda, G. A. Carini, G. W. Wright, L. Li, A. Burger, M. Groza, and R. B. James, Large Area/Volume CZT Nuclear Detectors, Physica Status Solidi C, Vol. 2, Page 1495,  2005  doi:10.1002/pssc.200460831s

A. Burger, M. Groza, Y. Cui, U. N. Roy, D. Hillman, M. Guo, L. Li, G. W. Right and R. B. James, Development of portable CdZnTe spectrometers for remote sensing of signatures from nuclear materials, Physica Status Solidi C, Vol. 2, Page 1586, 2005 doi: 10.1002/pssc.200460839

U. N. Roy, Y. Cui, R. Miles, A. Burger, J. T. Goldstein, Zane W. Bell and D. A. Carpenter, Micro-Raman and photoluminesence spectroscopy of horizontal Bridgman grown AgGaSe2, Journal of Applied Physics, Vol. 98, Page 93523, 2005 http://ieeexplore.ieee.org/iel5/4915369/4949297/04949333.pdf?arnumber=4949333&;authDecision=-203/">doi:10.1063/1.2127128 

A. K. Pradhan, D. Hunter, K. Zhang, J. B. Dadson, S. Mohanty, T. M. Williams, K. Lord, R. R. Rakhimov, U. N. Roy, Y. Cui, A. Burger, J. Zhang and D. J. Sellmyer, Magnetic and spectroscopic characteristics of ZnMnO system, Applied Surface Science, Vol. 252, Page 1628, 2005 doi:10.1016/j.apsusc.2005.02.125

Y. Cui, G. Turner, U. N. Roy, M. Guo, Z. Pan, S. Morgan, A. Burger and Yin Yeh, Raman spectroscopy shows antifreeze glycoproteins interact with highly oriented pyrolytic graphite, Journal of Raman Spectroscopy,Vol. 36, Page 1113, 2005 doi:10.1002/jrs.1415

M. Luo, N. C. Giles, U. N. Roy, Y. Cui and A. Burger, Energy transfer between Co2+ and Fe2+ ions in diffusion-doped ZnSe, Journal of Applied Physics, Vol. 98, Page 83507, 2005 doi:10.1063/1.2102069 

2004

U. N. Roy, O. S. Babalola, Y. Cui, M. Groza, T. Mounts , A. Zavalin, S. Morgan and A. Burger, Vapor growth and characterization of Cr-doped CdS0.8Se0.2 single crystals, Journal of Crystal Growth, Vol. 265, Page 453, 2004 doi:10.1016/j.jcrysgro.2004.01.065

K. Zhang, A. K. Pradhan, G. B. Loutts, U. N. Roy, Y. Cui and A. Burger, Lu2O3:Eu3+ nanoparticles and processed ceramics: structural and spectroscopic studies, Journal of Materials Research, Vol. 19.9, Page 2714, 2004 doi: 10.1557/JMR.2004.0348

K. Rademaker, W. F. Krupke, R. H. Page, S. A. Payne, K. Peterman, G. Huber, A. P. Yelisseyev, L. I. Isaenko, U. N. Roy, A. Burger, K. C. Mandal. and K. Nitsch, Slow nonradiative decay for rare earths in KPb 2Br 5 and RbPb2Br 5, Advanced Solid-State Photonics, OSA Technical Digest (Optical Society of America, 2004), paper WB10

K. Rademaker, W. F. Krupke, R. H. Page, S. A. Payne, K. Petermann, G. Huber, A. P. Yelisseyev, L. I. Isaenko, U. N. Roy, A. Burger, K. C. Mandal, and K. Nitsch, Optical properties of Nd3+- and Tb3+- doped KPb2Br5 and RbPb2Br5 with low nonradiative decay, Journal of Optical Society of America B, Vol. 21, page 2117, 2004 doi:10.1364/JOSAB.21.002117

A. K. Pradhan, K. Zhang, G. B. Loutts, U. N. Roy, Y. Cui and A. Burger, Structural and spectroscopic characteristics of ZnO and ZnO:Er3+ nanostructures, Journal of Physics, Vol. 16, Page 7123, 2004 doi:10.1088/0953-8984/16/39/043