Some recent advances in ab initio calculations of nonradiative decay rates of point defects in semiconductors

被引：0
|
作者：
Linwang Wang
机构：
[1] Materials Sciences Division
[2] Lawrence Berkeley National
来源：
Journal of Semiconductors | 2019年 / 40卷 / 09期
关键词：
D O I：
暂无
中图分类号：
O47 [半导体物理学];
学科分类号：
070205 ; 080501 ; 0809 ; 080903 ;
摘要：
In this short review, we discuss a few recent advances in calculating the nonradiative decay rates for point defects in semiconductors. We briefly review the debates and connections of using different formalisms to calculate the multi-phonon processes. We connect Dr. Huang’s formula with Marcus theory formula in the high temperature limit, and point out that Huang’s formula provide an analytical expression for the phonon induced electron coupling constant in the Marcus theory formula. We also discussed the validity of 1D formula in dealing with the electron transition processes, and practical ways to correct the anharmonic effects.
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页码：35 / 40
页数：6
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