Calculation of electronic energy and density of state of iron-disilicides using a total-energy pseudopotential method, CASTEP

被引:49
作者
Imai, Y [1 ]
Mukaida, M [1 ]
Tsunoda, T [1 ]
机构
[1] Natl Inst Mat & Chem Res, Dept Inorgan Mat, Tsukuba, Ibaraki 3058565, Japan
关键词
FeSi2; electronic energy; Fermi level;
D O I
10.1016/S0040-6090(00)01740-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Electronic energies of alpha-, beta-, and gamma -FeSi2 were calculated so as to elucidate the possibility of the prediction of phase stability by a quantum-mechanical calculation using a total-energy pseudopotential code, CASTEP. It was properly predicted that the beta -phase is more stable than alpha- and gamma -FeSi,. The effect of the non-stoichiometry of beta -FeSi2 and doping elements (Mn, Cr, Co, and Ni) on the Fermi energy was also discussed. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:176 / 182
页数:7
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