New progress in large-size CZT single-crystal growth for nuclear radiation detectors

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

doi:10.1117/12.507745

20 January 2004 New progress in large-size CZT single-crystal growth for nuclear radiation detectors

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

Author Affiliations +

Proceedings Volume 5198, Hard X-Ray and Gamma-Ray Detector Physics V; (2004) https://doi.org/10.1117/12.507745
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

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, and 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); https://doi.org/10.1117/12.507745

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