Inverse magnetocaloric effect in ferromagnetic Ni50Mn37+xSb13-x Heusler alloys

被引：171

作者：

Khan, Mahmud ^{[1
]}

Ali, Naushad ^{[1
]}

Stadler, Shane ^{[1
]}

机构：

[1] So Illinois Univ, Dept Phys, Carbondale, IL 62901 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2007年 / 101卷 / 05期

关键词：

D O I：

10.1063/1.2710779

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A study of the magnetocaloric effect (MCE) in the ferromagnetic Heusler alloys Ni50Mn37+xSb13-x (x=0,0.5,1) has been carried out through magnetization measurements. An inverse magnetocaloric effect was observed in the vicinity of the first order martensitic transition. A maximum positive magnetic entropy change of Delta S-m approximate to 19 J/kg K at approximately 297 K for a magnetic field change of 5 T was observed. It is demonstrated that the martensitic transformation temperature, and the corresponding Delta S-m, can be tuned through a slight variation in composition. (c) 2007 American Institute of Physics.

引用

页数：3

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