20 January 2004 New progress in large-size CZT single-crystal growth for nuclear radiation detectors
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Abstract
Recent progress has been made in the development of the Modified Vertical Bridgman (MVB) technique for the growths of 3-inch diameter CZT crystals for fabrication of x-ray and gamma-ray detectors to operate at room temperature. 40% and 80% of the ingots have the single crystal volumes over 300cm3 and 100 cm3 per ingot respectively. Defects (such as Cd-vacancies, Indium dopants and purity) in CZT have been systematically studied. Detectors fabricated from these CZT ingots showed sharp energy resolution and good uniformity.
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Longxia Li, Fengying Lu, Chun Lee, H. Walter Yao, Arnold Burger, M. Groza, G. W. Wright, Ralph B. James, Richard W. Olsen, Paul N. Luke, Kanai S. Shah, Leonard J. Cirignano, Michael R. Squillante, Donald R. Ouimette, "New progress in large-size CZT single-crystal growth for nuclear radiation detectors", Proc. SPIE 5198, Hard X-Ray and Gamma-Ray Detector Physics V, (20 January 2004); doi: 10.1117/12.507745; https://doi.org/10.1117/12.507745
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