Hydrogen and vacancies in the tokamak plasma-facing material beryllium

被引：15
|
作者：
Krimmel, H [1 ]
Fahnle, M [1 ]
机构：
[1] Max Planck Inst Met Forsch, D-70569 Stuttgart, Germany
来源：
JOURNAL OF NUCLEAR MATERIALS | 1998年 / 255卷 / 01期
关键词：
D O I：
10.1016/S0022-3115(98)00025-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Within the framework of the density functional electron theory in local-density approximation and the ab initio pseudopotential method the properties of vacancies and hydrogen atoms near vacancies in beryllium are calculated. The vacancy formation energy is 1.13 eV. The hydrogen atom is located off-centre, i.e., on a hexahedral interstitial site near the vacancy. (C) 1998 Elsevier Science E.V. All rights reserved.
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收藏
页码：72 / 74
页数：3
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