| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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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
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| Cite this article: |
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Yan-Fei Ma, Ben-Zhen Tang, Lei Xia et al 2016 Chin. Phys. Lett. 33 126101 |
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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.
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Received: 29 August 2016
Published: 29 December 2016
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| PACS: |
61.43.Dq
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(Amorphous semiconductors, metals, and alloys)
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81.05.Kf
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(Glasses (including metallic glasses))
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75.30.Sg
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(Magnetocaloric effect, magnetic cooling)
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81.20.-n
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(Methods of materials synthesis and materials processing)
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| Fund: Supported by the National Natural Science Foundation of China under Grant Nos 51271103 and 51671119. |
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