Phase Stability and Magnetic Properties of Mn3Z (Z = Al, Ga, In, Tl, Ge, Sn, Pb) Heusler Alloys

被引：16

作者：

Zhang, Haopeng ^{[1
]}

Liu, Wenbin ^{[1
]}

Lin, Tingting ^{[1
,2
]}

Wang, Wenhong ^{[3
]}

Liu, Guodong ^{[1
]}

机构：

[1] Chongqing Normal Univ, Sch Phys & Elect Engn, Chongqing 400044, Peoples R China

[2] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany

[3] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China

来源：

APPLIED SCIENCES-BASEL | 2019年 / 9卷 / 05期

关键词：

phase stability; magnetic properties; covalent hybridization; COERCIVITY;

D O I：

10.3390/app9050964

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The structural stability and magnetic properties of the cubic and tetragonal phases of Mn(3)Z (Z = Ga, In, Tl, Ge, Sn, Pb) Heusler alloys are studied by using first-principles calculations. It is found that with the increasing of the atomic radius of Z atom, the more stable phase varies from the cubic to the tetragonal structure. With increasing tetragonal distortion, the magnetic moments of Mn (A/C and B) atoms change in a regular way, which can be traced back to the change of the relative distance and the covalent hybridization between the atoms.

引用

页数：9

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