期刊
APPLIED PHYSICS LETTERS
卷 101, 期 14, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4757292
关键词
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资金
- United States Department of Homeland Security
- National Science Foundation [ECCS-11139986]
In this work, we investigate the optimal thickness of a semiconductor diode for thin-film solid state thermal neutron detectors. We evaluate several diode materials, Si, CdTe, GaAs, C (diamond), and ZnO, and two neutron converter materials, B-10 and (LiF)-Li-6. Investigating a coplanar diode/converter geometry, we determine the minimum semiconductor thickness needed to achieve maximum neutron detection efficiency. By keeping the semiconductor thickness to a minimum, gamma rejection is kept as high as possible. In this way, we optimize detector performance for different thin-film semiconductor materials. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4757292]
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