Publications
High-flux X-ray Detectors
D.S. Bale, Cs. Szeles, “Electron transport and charge induction in cadmium zinc telluride detectors with space charge build up under intense x-ray irradiation”, J. Appl. Phys. 107, 114512-114522 (2010).
M. Prokesch, D.S. Bale, Cs. Szeles, “Fast High-Flux Response CdZnTe X-ray Detector by Optical Manipulation of Deep Level Defect Occupations”, IEEE Trans Nucl. Sci. 57, 2397-2399 (2010).
D. S. Bale, Cs. Szeles, “Multiple-scale analysis of charge transport in semiconductor radiation detectors: application to semi-insulating CdZnTe”, J. Electron. Mater. 38, 126-144 (2009).
D.S. Bale, Cs. Szeles, “The nature of polarization in wide-bandgap semiconductor detectors under high-flux irradiation: Application to semi-insulating CdZnTe”, Phys. Rev. B77, 35205-35220 (2008).
D.S. Bale, S.A. Soldner, Cs. Szeles, “A Mechanism for Dynamic Lateral Polarization in CdZnTe Under High Flux X-ray Irradiation”, Appl. Phys. Lett. 92, 82101-82103 (2008).
Cs. Szeles, S.A. Soldner, S. Vydrin, J. Graves, and D.S. Bale, “CdZnTe Semiconductor Detectors for Spectroscopic X-ray Imaging”, IEEE Trans Nucl. Sci. 55, 572-582 (2008).
S. A. Soldner, D. S. Bale, and Cs. Szeles, “Dynamic lateral polarization in CdZnTe under high flux x-ray irradiation”, IEEE Trans. Nucl. Sci. 54 (5), 1723-1727 (2007).
Cs. Szeles, S.A. Soldner, S. Vydrin, J. Graves and D.S. Bale, “Ultra High Flux 2D CdZnTe Monolithic Detector Arrays for X-ray Imaging Applications”, IEEE Trans Nucl. Sci. 54, 1350-1358 (2007).
Development of Semiconductor Detectors & the Charge Transport Problem
Derek S. Bale, “A semi-analytic approximation of charge induction in monolithic pixilated CdZnTe radiation detectors”, Nuclear Instruments and Methods in Physics Research A 614, 453–460 (2010).
Derek S. Bale, “Homogenization theory for the cumulative effect of Te inclusions in CdZnTe radiation detectors”, J. Appl. Phys. 107, 014519 (2010).
Derek S. Bale, “Fluctuations in induced charge introduced by Te inclusions within CdZnTe radiation detectors”, J. Appl. Phys. 108, 024504 (2010).
D. S. Bale and Cs. Szeles, “Design of high-performance CdZnTe quasi-hemispherical gamma-ray CAPture plus detectors”, Proc. SPIE 6319, 63190B (2006).
Cs. Szeles and D. S. Bale, J. Grosholz, G. L. Smith, M. Blostein, and J. Eger, “Fabrication of high-performance CdZnTe quasi-hemispherical gamma-ray CAPture plus detectors”, Proc. SPIE 6319, 631909 (2006).
S.A. Soldner, A.J. Narvett, D.E. Covalt and Cs. Szeles, “Characterization of the Charge Transport Uniformity of CdZnTe Crystals for Large-Volume Nuclear Detector Applications”, IEEE Trans Nucl. Sci. 51, 2443-2447 (2004).
Cs. Szeles, “CdZnTe and CdTe materials for X-ray and gamma ray radiation detector applications”, phys. stat. sol. (b) 241, 783-790 (2004).
T.H. Prettyman, K.D. Ianakiev, S.A. Soldner, and Cs. Szeles, “Effect of differential bias on the transport of electrons in coplanar grid CdZnTe detectors”, Nucl. Instrum. Meth. A476 658-664 (2002).
K. Parnham, Cs. Szeles, T.H. Prettyman, M. Smith, C. Stahle, B.H. Parker, L.L. Wang, “Further studies on the modified two-terminal geometry for CdZnTe detectors”, Nucl. Instrum. Meth. A 458, 334 (2001).
Deep-level Defects & Compensation in Compound Semiconductors
M. Prokesch and Cs. Szeles, “Effect of temperature- and composition-dependent deep level energies on electrical compensation: Experiment and model of the Cd1-xZnxTe system”, Phys. Rev. B75, 245204-245210 (2007).
R. Soundararajan, K.G. Lynn, S. Awadallah, Cs. Szeles, and S.-H. Wei, “Study of Defect Levels in CdTe Using Thermoelectric Effect Spectroscopy”, J. Electron Mater. 35, 1333-1340 (2006).
M. Prokesch, Cs. Szeles, “Bulk Resistivity and Surface Leakage of CdZnTe Radiation Detectors” J. Appl. Phys. 100, 14503-14508 (2006).
S.A. Awadalla, K.G. Lynn, S.H. Wei, Cs. Szeles, “Effect of Zn on the Cation Vacancy-Isoelectronic Oxygen Pair in CdZnTe Crystals”, Phys. Rev. B70, 245213 (2004).
S.A. Awadalla, A.W. Hunt, K.G. Lynn, H. Glass, Cs. Szeles, S.H. Wei, “Isoelectronic oxygen-related defect in CdTe crystals investigated using thermoelectric effect spectroscopy”, Phys. Rev. B69, 75210 (2004).
N. Krsmanovic, K.G. Lynn, M.H. Weber, R. Tjossem, Th. Gessmann, Cs. Szeles, E.E. Eissler, J.P. Flint and H.L. Glass, “Electrical compensation in CdTe and Cd0.9Zn0.1Te by intrinsic defects”, Phys. Rev. B62, R16279 (2000).
Y.Y. Shan, K.G. Lynn, Cs. Szeles, P. Asoka-Kumar, T. Thio, J.W. Benett, C.B. Beling, S. Fung, and P. Becla, “The microscopic structure of DX centers in Cd0.8Zn0.2Te:Cl”, Phys. Rev. Lett. 79, 4473 (1997).
Cs. Szeles, Y.Y. Shan, A. Moodenbaugh; K.G. Lynn, and E.E. Eissler, “Trapping Properties of Cadmium Vacancies in Cd1-xZnxTe”, Phys. Rev. B55, 6945-6949 (1997).
Cs. Szeles, Y.Y. Shan, K.G. Lynn, and E.E. Eissler, “Deep Electronic Levels in High-Pressure Bridgman Cd1-xZnxTe” Nucl. Instr. Meth. A380, 148-153 (1996).
Defects in Other Semiconductors
Cs. Szeles, P. Asoka-Kumar, K.G. Lynn, H.-J. Gossmann, F.C. Unterwald, and T. Boone, “Defect Distribution in Low-Temperature Molecular Beam Epitaxy Grown Si(100)/Si, Improved Depth Profiling with Monoenergetic Positrons”, Appl. Phys. Lett. 66, 2855 (1995).
Cs. Szeles, B. Nielsen, P. Asoka-Kumar, K.G. Lynn, M. Anderle, T.P. Ma, and G.W. Rubloff, “Role of Implantation Induced Defects in Surface-Oriented Diffusion of Fluorine in Silicon” J. Appl. Phys. 76, 3403 (1994).
Crystal Growth Modeling & Technology
L. Lun, A. Yeckel, M.D. Reed, Cs. Szeles, P. Daoutidis and J.J. Derby, “On the effects of furnace gradients on interface shape during the growth of cadmium zinc telluride in EDG furnaces”, J. Cryst. Growth 290, 35-43 (2006).
M.D. Reed, Cs. Szeles and S.E. Cameron, “Computational Modeling of CdZnTe Solidification in a Multi-zone High-Pressure Vertical Electro-Dynamic Gradient Furnace”, J. Cryst. Growth 289, 494-501 (2006).
A. Pandy, A. Yeckel, M.D. Reed, Cs. Szeles, M. Hainke, G. Muller, J.J. Derby, “Analysis of the growth of cadmium zinc telluride in an electrodynamic gradient freeze furnace via a self-consistent, multi-scale numerical model” J. Cryst. Growth 276, 133-147 (2005).
Cs. Szeles, S.E. Cameron, S.A. Soldner, J.-O. Ndap, M.D. Reed, “Development of the High-pressure Electro-Dynamic Gradient Crystal Growth Technology for Semi-insulating CdZnTe Growth for Radiation Detector Applications” J. Electron Mater. 33, 742-751 (2004).
Cs. Szeles, “Advances in the Crystal Growth and Device Fabrication Technology of CdZnTe Room Temperature Radiation Detectors”, IEEE Trans Nucl. Sci. 51, 1242-1249 (2004).
Advanced Algorithms & Applied Mathematics
J. A. Rossmanith, D. S. Bale, and R. J. LeVeque, “A wave propagation algorithm for hyperbolic systems on curved manifolds”, J. Comput. Phys. 199 (2), 631-662 (2004)
D. S. Bale, R. J. LeVeque, S. Mitran, and J. A. Rossmanith, “A wave propagation method for conservation laws and balance laws with spatially varying flux functions”, SIAM J. Sci. Comput. 24 (3), 955-978 (2002).
D. S. Bale and R. J. LeVeque, “Wave propagation algorithms for hyperbolic systems on curved manifolds”, International Series of Numerical Mathematics 140, 129-138 (2001).
D. S. Bale and C. Helzel, “Crossflow instabilities in the approximation of detonation waves”, International Series of Numerical Mathematics 140, 119-128 (2001).
R. J. LeVeque and D. S. Bale, “Wave propagation methods for conservation laws with source terms”, International Series of Numerical Mathematics 130, 609-618 (1999).
M. J. Cooker, P. D. Weidman, and D. S. Bale, “Reflection of a high-amplitude solitary wave at a vertical wall”, J. Fluid Mech. 342, 141-158 (1997).
D. S. Bale and R. J. LeVeque, “Wave propagation algorithms applied to special relativistic hydrodynamics”, Proc. Of the Symposium on Godunov’s Method for Gas Dynamics, University of Michigan (1997).
Patents
“Annealing of semi-insulating CdZnTe crystals”, Csaba Szeles, Michael Prokesch, Utpal Chakrabarti, 8,268,663, Issued: 9/18/2012.
“Device Using Constrained Design for High-Flux X-ray Spectroscopic Imaging Applications”, Derek S. Bale, Stephen A. Soldner, Csaba. Szeles, 7,705,319, Issued: 4/27/2010.
“Count uniformity correction in flux space for pixilated semiconducting radiation detectors”, Derek S. Bale, 7,633,068, Issued: 12/15/2009.
“Radiation detector crystal and method of formation thereof”, Csaba Szeles, Scott E. Cameron, Vincent D. Mattera, Jr., Utpal K. Chakrabarti, 7,612,345, Issued: 11/3/2009.
“Radiation detector”, Csaba Szeles, Kelvin Lynn, 7,192,481, Issued: 3/20/2007