ESR studies of the negative divacancy in irradiated type-I diamonds

被引：10

作者：

Kirui, JK ^{[1
]}

van Wyk, JA ^{[1
]}

Hoch, MJR ^{[1
]}

机构：

[1] Univ Witwatersrand, Dept Phys, ZA-2050 Wits, South Africa

来源：

关键词：

ESR; negative divacancy; type-I diamonds;

D O I：

10.1016/S0925-9635(99)00037-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The W29 is a defect that forms in all irradiated type-Ib diamonds, and some type-Ia diamonds, in the temperature range in which isolated vacancies are mobile. It anneals out at roughly the same temperatures at which other defects, such as the negative vacancy and the R4 centre, which involve vacancies only, also anneal out. Since electrons are abundant in these diamonds, it is proposed, on symmetry arguments and the temperature dependence of the linewidths of the defect, that it is due to a negative divacancy. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：1569 / 1571

页数：3

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