Self-interstitials and Frenkel pairs in electron-irradiated germanium

被引:2
|
作者
Carvalho, A. [1 ]
Jones, R. [1 ]
Goss, J. [2 ]
Janke, C. [1 ]
Coutinho, J.
Oberg, S. [3 ]
Briddon, P. R. [2 ]
机构
[1] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England
[2] Newcastle Univ, Sch Nat Sci, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
[3] Lulea Univ Technol, Dept Math, S-97187 Lulea, Sweden
关键词
self-interstitial; germanium; frenkel pair; irradiation;
D O I
10.1016/j.physb.2007.09.007
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
First principles calculations were used to study the structures and electrical levels of the self-interstitial in Ge. We considered the possibility of structural changes consequent with change in charge state and show these have important implications in the mobility and electrical activity of the defect. The theoretical model is compared to the results of low temperature electron irradiation in germanium reported in the literature. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:495 / 498
页数:4
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