Structural, mechanical, electronic and magnetic properties of a new series of quaternary Heusler alloys CoFeMnZ (Z= Si, As, Sb): A first-principle study

被引：118

作者：

Elahmar, M. H. ^{[1
]}

Rached, H. ^{[1
]}

Rached, D. ^{[1
]}

Khenata, R. ^{[2
]}

Murtaza, G. ^{[3
]}

Bin Omran, S. ^{[4
]}

Ahmed, W. K. ^{[4
]}

机构：

[1] Univ Djillali Liabes SidiBel Abbes, Fac Sci, Lab Mat Magnet, Sidibel Abbes 22000, Algeria

[2] Univ Mascara, Lab Phys Quant & Modelisat Math, Mascara 29000, Algeria

[3] Islamia Coll Peshawar, Dept Phys, Mat Modeling Lab, Kpk, Pakistan

[4] King Saud Univ, Coll Sci, Dept Phys & Astron, Riyadh 11451, Saudi Arabia

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2015年 / 393卷

关键词：

FPIAPW; Heusler alloys; Mechanical properties; Electronic structure; Magnetic properties; GENERALIZED GRADIENT APPROXIMATION; EXCHANGE; GA; AL;

D O I：

10.1016/j.jmmm.2015.05.019

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structural, mechanical, electronic and magnetic properties of the series of Heusler alloys CoFeMnZ (Z=Si, As, and Sb) have been investigated theoretically. The objective is to seek for stable half metallic ferromagnets materials with Curie temperatures higher than room temperature. The series of CoFeMnZ (Z=Si, As and Sb) is found to exhibit half metallic ferromagnetism with high magnetic moment and the localized moment in these magnetic compounds resides at the Mn atom. It has been observed that all our compounds have high Curie temperatures with high spin polarizations. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：165 / 174

页数：10

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