Quality improvement of CdMnTe:In single crystals by an effective post-growth annealing

doi:10.1016/j.jcrysgro.2016.07.009

	Quality improvement of CdMnTe:In single crystals by an effective post-growth annealing
	Yu, PF; Xu, YD; Luan, LJ; Du, YY; Zheng, JH; Li, H; Jie, WQ; Du YY(杜园园)
刊名	JOURNAL OF CRYSTAL GROWTH
	2016
卷号	451 页码:194
关键词	Characterization Bridgman technique Cadmium compounds Semiconducting II-VI materials
DOI	10.1016/j.jcrysgro.2016.07.009
文献子类	Article
英文摘要	In this paper, an effective annealing method in which CdMnTe:In (CMT:In) single crystals were coated with CMT powders of the same composition was used to improve the crystal quality of CMT:In crystals. The results indicated that the density of Te inclusions decreased as the annealing time increased. The resistivity and IR transmittance of annealed CMT:In crystals were enhanced obviously. The resistivity of 120 h annealed crystal increased even two orders of magnitude. The reduction of full-width at-half maximum (FWHM) and the increase of the intensity of X-ray rocking curve indicated an improvement of the crystal quality. PL measurements also showed the crystal quality improved after annealing. No characteristic peak of Am-241 gamma-ray could be observed in the detector fabricated with as-grown crystal. Remarkably, for the detector fabricated with annealed crystals, the peak of Am-241 gamma-ray appeared. And the energy resolution and mu tau value were improved as the annealing time increased. Specially, 120 h annealed CMT:In crystal with 10.11% energy resolution and 1.20 x 10(-3) cm(2)/V mu tau value has the best detector performance. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词	CDZNTE ; VAPOR
语种	英语
WOS记录号	WOS:000385321000030
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/260689]
专题	中国科学院高能物理研究所
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Yu, PF,Xu, YD,Luan, LJ,et al. Quality improvement of CdMnTe:In single crystals by an effective post-growth annealing[J]. JOURNAL OF CRYSTAL GROWTH,2016,451:194.
APA	Yu, PF.,Xu, YD.,Luan, LJ.,Du, YY.,Zheng, JH.,...&杜园园.(2016).Quality improvement of CdMnTe:In single crystals by an effective post-growth annealing.JOURNAL OF CRYSTAL GROWTH,451,194.
MLA	Yu, PF,et al."Quality improvement of CdMnTe:In single crystals by an effective post-growth annealing".JOURNAL OF CRYSTAL GROWTH 451(2016):194.