Photodilatation effect of undoped a-Si:H films

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	Photodilatation effect of undoped a-Si:H films
	Kong, GL ; Zhang, DL ; Yue, GZ ; Liao, XB
刊名	PHYSICAL REVIEW LETTERS
	1997
卷号	79 期号:21 页码:4210
关键词	HYDROGENATED AMORPHOUS-SILICON RELAXATION
ISSN号	0031-9007
通讯作者	Kong, GL (reprint author), CHINESE ACAD SCI,INST SEMICOND,STATE LAB SURFACE PHYS,BEIJING 100083,PEOPLES R CHINA.
中文摘要	A photodilatation effect of undoped a-Si:H films has been discovered by a differential dilatometric method. The film thickness has been found to increase instantaneously when the sample is exposed to light. The dilatation weakens with illumination time, following a stretched exponential law, and finally reaches a saturation value. The dilatation disappears when light is off. The results unambiguously show that the whole structure of the film becomes less compact and less stable under light exposure. The metastable change (Staebler-Wronski effect) could be a redistribution of different configurations after this photodilatation in the a-Si:H films.
收录类别	SCI
语种	英语
公开日期	2013-09-24
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/50909]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Kong, GL,Zhang, DL,Yue, GZ,et al. Photodilatation effect of undoped a-Si:H films[J]. PHYSICAL REVIEW LETTERS,1997,79(21):4210.
APA	Kong, GL,Zhang, DL,Yue, GZ,&Liao, XB.(1997).Photodilatation effect of undoped a-Si:H films.PHYSICAL REVIEW LETTERS,79(21),4210.
MLA	Kong, GL,et al."Photodilatation effect of undoped a-Si:H films".PHYSICAL REVIEW LETTERS 79.21(1997):4210.