Magnetic behavior and magnetocaloric effect of neodymium-based amorphous alloy

被引：14
作者：
Gorsse, S. [1 ]
Orveillon, G. [1 ]
Chevalier, B. [1 ]
机构：
[1] Univ Bordeaux 1, CNRS, ICMCB, Inst Chim Matiere Condensee Bordeaux, 87 Av Dr A Schweitzer, F-33608 Pessac, France
来源：
JOURNAL OF APPLIED PHYSICS | 2008年 / 103卷 / 04期
关键词：
D O I：
10.1063/1.2840129
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The Nd49Al13Ni38 amorphous alloy has been prepared by melt-spinning in the form of ribbons. Its magnetic properties have been investigated via superconducting quantum interference device magnetometry and its magnetic phase diagram was established. Hysteresis and temperature-dependent magnetization measurements show the occurrence of a reentrant spin-glass behavior on cooling. With increasing. applied field, the spin-freezing temperature decreases and disappears at very high field, and the Curie temperature increases, broadening the temperature range of the ferromagnetic state. The resulting magnetocaloric effect was evaluated and compared to other interesting magnetic refrigerant materials. (c) 2008 American Institute of Physics.
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页数：6
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