Calculation of the threshold displacement energies in UO2 using ionic potentials

被引：60
|
作者：
Meis, C
Chartier, A
机构：
[1] CEA Saclay, INSTN, F-91191 Gif Sur Yvette, France
[2] CEA Saclay, DEN DPC SCP, F-91191 Gif Sur Yvette, France
来源：
JOURNAL OF NUCLEAR MATERIALS | 2005年 / 341卷 / 01期
关键词：
D O I：
10.1016/j.jnucmat.2005.01.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A set of ionic potentials matching exactly the crystallographic, elastic and dielectric properties of the uranium dioxide is established. It is further validated upon some basic thermodynamic properties as well as upon the Frenkel pairs formation energies and the activation energies for lattice migration in UO2. The threshold displacement energies, useful to characterise the radiation resistance of the materials, are calculated for the uranium dioxide along various crystallographic directions applying the optimised force field within the sudden approximation approach. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：25 / 30
页数：6
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