Interstitial aggregates and a new model for the I1/W optical centre in silicon

被引：72

作者：

Coomer, BJ ^{[1
]}

Goss, JP

Jones, R

Öberg, S

Briddon, PR

机构：

[1] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England

[2] Univ Lulea, Dept Math, S-97187 Lulea, Sweden

[3] Newcastle Univ, Dept Phys, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

PHYSICA B-CONDENSED MATTER | 1999年 / 273-4卷

关键词：

silicon; W-line; interstitial; aggregation;

D O I：

10.1016/S0921-4526(99)00538-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

First principles local-density-functional (LDF) theory is employed to investigate the properties of di-interstitial (I-2), tri-interstitial (I-3) and tetra-interstitial (I-4) structures in silicon. We show that a tri-interstitial defect can account for many of the fundamental properties of the I-1/W-optical centre which is observed in irradiated, annealed silicon. (C) 1999 Elsevier Science B.V. All rights reserved.

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页码：505 / 508

页数：4

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