NDLI: The analysis of X-ray response of CdZnTe detectors

Content Provider	Springer Nature Link
Author	Zha, GangQiang Xiang, Hang Liu, Ting Xu, YaDong Wang, Tao Jie, WanQi
Copyright Year	2012
Abstract	CdZnTe is an excellent material candidate for high efficiency, high-resolution room-temperature nuclear radiation detectors, and the CdZnTe detectors are being widely used in medicine, industry, safeguard and scientific X-ray and γ-ray imaging and spectroscopic applications. In this work, three CdZnTe planar detectors with different grades, named CZT-1, CZT-2 and CZT-3, respectively, were fabricated. And the effects of mobility, lifetime and de-trapping time on the performance of CdZnTe planar detector, such as the energy resolution, charge collection efficiency and peak to valley ratio, were analyzed. The charge collection efficiency depends on the product of carrier mobility and lifetime, which has a great effect on the energy resolution of detector when the efficiency is less than 90%. The de-trapping time of carriers in deep levels should be responsible for the peak to valley ratio and “polarization”.
Starting Page	2295
Ending Page	2299
Page Count	5
File Format	PDF
ISSN	16747321
Journal	Science in China Series E: Technological Sciences
Volume Number	55
Issue Number	8
e-ISSN	18691900
Language	English
Publisher	SP Science China Press
Publisher Date	2012-04-18
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CdZnTe radiation detector energy spectra carrier transport Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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