Investigation of Te atmosphere annealing on the properties of detector-grade CdMnTe:In single crystals
Yu, PF; Luan, LJ; Du YY(杜园园); Du, YY; Zheng, JH; Jie, WQ
刊名JOURNAL OF CRYSTAL GROWTH
2015
卷号430页码:103-107
关键词Characterization Bridgman Technique Cadmium compounds Semiconducting II-VI materials
学科分类Crystallography; Materials Science; Physics
DOI10.1016/j.jcrysgro.2015.08.017
文章类型Article
英文摘要In this paper, detector-grade CdMnTe:In (CMT:In) single crystals were annealed under Te atmosphere with various annealing times. The results indicated that the density of Te inclusions had not changed as the annealing time increased, whereas the resistivity exhibited an initial increase followed by a decrease. The conduction type was changed from weak n-type conduction in as-grown crystal to p-type conduction in 60 h annealed crystal. The lR transmittance decreased obviously as the annealing time increased. In the PL spectra, the obvious reduction of the intensity of (D degrees,X) peak and the increase of the intensity of the D-complex peak in the annealed CMT:In crystals indicated a degradation of the crystal quality. The energy resolution of the detector fabricated with 15 h annealed crystal was improved, whereas the mu tau values of the detectors fabricated with all annealed crystals were reduced. Specially, the characteristic peak of Am-241 gamma-ray could not be observed in the detectors fabricated by 60 h annealed crystals. Therefore, optimal annealing temperature and the duration are 773 K and 15 h, respectively. (C) 2015 Elsevier B.V. All rights reserved
类目[WOS]Crystallography ; Materials Science, Multidisciplinary ; Physics, Applied
收录类别SCI ; EI
WOS记录号WOS:000362014800018
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228776
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Yu, PF,Luan, LJ,Du YY,et al. Investigation of Te atmosphere annealing on the properties of detector-grade CdMnTe:In single crystals[J]. JOURNAL OF CRYSTAL GROWTH,2015,430:103-107.
APA Yu, PF,Luan, LJ,杜园园,Du, YY,Zheng, JH,&Jie, WQ.(2015).Investigation of Te atmosphere annealing on the properties of detector-grade CdMnTe:In single crystals.JOURNAL OF CRYSTAL GROWTH,430,103-107.
MLA Yu, PF,et al."Investigation of Te atmosphere annealing on the properties of detector-grade CdMnTe:In single crystals".JOURNAL OF CRYSTAL GROWTH 430(2015):103-107.
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