Outstanding Magneto-Caloric Effect of a Gd$_{60}$Ni$_{37}$Co$_{3}$ Amorphous Alloy
Yan-Fei Ma, Ben-Zhen Tang, Lei Xia, Ding Ding**
Laboratory for Microstructure, Institute of Materials, Shanghai University, Shanghai 200072
Abstract ：Outstanding magneto-caloric properties of a Gd$_{60}$Ni$_{37}$Co$_{3}$ amorphous alloy are reported. The magnetic entropy change peak ($-\Delta S_{\rm m}^{\rm peak}$) near the Curie temperature ($T_{\rm c}=135$ K) of the amorphous alloy under 5 T is about 10.42 J$\cdot$kg$^{-1}$K$^{-1}$ and the refrigeration capacity (RC) under 5 T is about 860 J$\cdot$kg$^{-1}$, both of which are almost the highest among the amorphous alloys with $T_{\rm c}$ above 100 K. The magneto-caloric behaviors and the mechanism for the rather high magneto-caloric effect of the Gd$_{60}$Ni$_{37}$Co$_{3}$ metallic glass are investigated.
收稿日期: 2016-08-29
出版日期: 2016-12-29
:
61.43.Dq
(Amorphous semiconductors, metals, and alloys)
81.05.Kf
(Glasses (including metallic glasses))
75.30.Sg
(Magnetocaloric effect, magnetic cooling)
81.20.-n
(Methods of materials synthesis and materials processing)
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2016, Vol. 33 
