Predictions of a Large Magnetocaloric Effect in Co- and Cr-Substituted Heusler Alloys Using First-Principles and Monte Carlo Approaches

被引：3

作者：

Sokolovskiy, Vladimir V. ^{[1
]}

Buchelnikov, Vasiliy D. ^{[1
]}

Zagrebin, Mikhail A. ^{[1
]}

Grunebohm, Anna ^{[2
]}

Entel, Peter ^{[2
]}

机构：

[1] Chelyabinsk State Univ, Chelyabinsk, Russia

[2] Univ Duisburg Essen, Duisburg, Germany

来源：

20TH INTERNATIONAL CONFERENCE ON MAGNETISM, ICM 2015 | 2015年 / 75卷

基金：

俄罗斯科学基金会;

关键词：

Heusler alloys; magnetocaloric effect; ab initio and Monte Carlo methods; GA; SN;

D O I：

10.1016/j.phpro.2015.12.155

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The effect of Co- and Cr-doping on magnetic and magnetocaloric poperties of Ni-Mn-(In, Ga, Sn, and Al) Heusler alloys has been theoretically studied by combining first principles with Monte Carlo approaches. The magnetic and magnetocaloric properties are obtained as a function of temperature and magnetic field using a mixed type of Potts and Blume-Emery-Griffiths model where the model parameters are obtained from ab initio calculations. The Monte Carlo calculations allowed to make predictions of a giant inverse magnetocaloric effect in partially new hypothetical magnetic Heusler alloys across the martensitic transformation.

引用

页码：1381 / 1388

页数：8

共 33 条

[1] Achieving large magnetocaloric effects in Co- and Cr-substituted Heusler alloys: Predictions from first-principles and Monte Carlo studies
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Gruner, M. E.
PHYSICAL REVIEW B, 2015, 91 (22)
[2] Ab Initio and Monte Carlo Approaches For the Magnetocaloric Effect in Co- and In-Doped Ni-Mn-Ga Heusler Alloys
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[9] Gilbert damping, electronic and magnetic properties for quaternary Heusler alloys CrYCoZ: First-principles and Monte Carlo studies
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