Pair potential for Fe-He

被引:87
作者
Juslin, N. [1 ]
Nordlund, K. [1 ]
机构
[1] Univ Helsinki, Dept Phys, FI-00014 Helsinki, Finland
基金
欧盟地平线“2020”; 芬兰科学院;
关键词
D O I
10.1016/j.jnucmat.2008.08.029
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A new potential for helium in bulk iron was developed in order to study the effect of He in irradiated iron. As helium in iron degrades the material properties, a good description of He defects is of importance for studying radiation damage with He present in iron. We show that a purely repulsive pair potential is enough to reproduce electronic structure calculations results from the literature for He defect formation and migration. Ab initio data for short range Fe-He dimer interaction is used to describe the high energy part of the potential. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:143 / 146
页数:4
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