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Modeling the Migration of Tellurium-Rich, Second-Phase Particles in Cadmium Zinc Telluride (CZT) via Temperature Gradient Zone Melting (TGZM) |
Kerry Wang , Andrew Yeckel , Jeffrey J. Derby |
University of Minnesota, Chemical Engineering and Materials Science, 421 Washington Ave. S.E., Minneapolis, MN 55455, United States |
Abstract |
Crystals of cadmium zinc telluride (CZT) typically exhibit significant populations of large (10 micron and above) tellurium-rich particles that are deleterious to the performance of semiconductor radiation detectors. While it is well understood that melt growth of CZT can produce crystalline material that is supersaturated with tellurium, providing a thermodynamic basis for the existence of these second-phase particles, their formation mechanisms are not well understood. |
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Presentation: Poster at 17th International Conference on Crystal Growth and Epitaxy - ICCGE-17, Topical Session 4, by Jeffrey J. DerbySee On-line Journal of 17th International Conference on Crystal Growth and Epitaxy - ICCGE-17 Submitted: 2013-03-27 18:16 Revised: 2013-03-27 18:16 |