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Jin, Hosub
Quantum Materials Design Lab
Research Interests
  • Spin-orbit coupling, electron-correlation, topological quantum phases

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Thallium Chalcohalides for X-ray and gamma-ray Detection

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Title
Thallium Chalcohalides for X-ray and gamma-ray Detection
Author
Johnsen, SLiu, ZPeters, JASong, JHNguyen, SMalliakas, CDJin, HosubFreeman, AJWessels, BWKanatzidis, MG
Keywords
SEMICONDUCTOR RADIATION DETECTORS; IODIDE; CDZNTE; TLBR; BR; CL; CRYSTALS; HGI2
Issue Date
2011-06
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.133, no., pp.10030 - 10033
Abstract
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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DOI
10.1021/ja202540t
ISSN
0002-7863
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PHY_Journal Papers
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