Control of impurity diffusion by IR excitations

被引:1
作者
Shirai, K. [1 ]
Yamaguchi, H. [1 ]
Katayama-Yoshida, H. [1 ]
机构
[1] Osaka Univ, ISIR, Nanosci & Nanotechnol Ctr, Osaka, Japan
关键词
theory; group IV; IR excitation; diffusion; vibration;
D O I
10.1016/j.physb.2007.09.051
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
IR laser excitation has potential to use for a method of selective diffusion of impurities in the Si device processes. To illustrate the effectiveness of this method, first-principles molecular dynamics simulation has been applied. Effectiveness of IR excitation is for the first time shown for those impurities which have a local mode. The laser power required for this method is estimated. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:682 / 685
页数:4
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