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题名: In situ annealing during the growth of relaxed SiGe
作者: Li DZ;  Huang CJ;  Cheng BW;  Wang HJ;  Yu Z;  Zhang CH;  Yu JZ;  Wang QM
出版日期: 2000
会议日期: 36739
摘要: In this paper, a graded Si1-xGex buffer and thereafter the Si0.8Ge0.2 uniform layer were grown at a little lower temperature to keep the surface smooth, which will provide the gliding dislocations a wider channel and less low energy nucleation sites on the surface. Therefore, the dislocation density may be reduced. However, the motion of the existing threading dislocations cannot retain equilibrium at lower temperature, strain will accumulate and be in favor of the nucleation of dislocation. In situ annealing was used to reduce the residual strain in the sample during the low-temperature growth of SiGe. A fully relaxed Si0.8Ge0.2 layer was obtained with the surface dislocation density of 3x10(5)cm(-2).
会议名称: Conference on Optical and Infrared Thin Films
KOS主题词: Germanium;  Relaxation;  Gases
会议文集: OPTICAL AND INFRARED THIN FILMS, 4094
专题: 中国科学院半导体研究所(2009年前)_会议论文

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推荐引用方式:
Li DZ; Huang CJ; Cheng BW; Wang HJ; Yu Z; Zhang CH; Yu JZ; Wang QM .In situ annealing during the growth of relaxed SiGe .见:SPIE-INT SOC OPTICAL ENGINEERING .OPTICAL AND INFRARED THIN FILMS, 4094,1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA ,2000,93-99
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