期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 133, 期 26, 页码 10030-10033出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja202540t
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资金
- Danish Research Council for Nature and Universe
- Department of Homeland Security [2010-DN-077-ARI042-02]
- Defense Threat Reduction Agency [HDTRA1 09-1-0044]
- NSF [DMR-0076097]
We report that the chalcohalide compound Tl6SeI4 is a promising material for efficient X-ray and gamma-ray detection. This material has a higher figure of merit than the current state-of-the-art material for room-temperature operation, Cd0.9Zn0.1Te (CZT). We have synthesized high-quality single-crystalline wafers of Tl6SeI4 with detector-grade resistivities and good carrier transport of both electrons and holes. We demonstrate that pulse height spectra recorded using Co-57 radiation show an energy resolution matching that of a commercial CZT detector material.
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