Outstanding Magneto-Caloric Effect of a Gd_60Ni_37Co_3 Amorphous Alloy
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Abstract
Outstanding magneto-caloric properties of a Gd_60Ni_37Co_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\cdotkg^-1K^-1 and the refrigeration capacity (RC) under 5 T is about 860 J\cdotkg^-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_60Ni_37Co_3 metallic glass are investigated.
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Yan-Fei Ma, Ben-Zhen Tang, Lei Xia, Ding Ding. Outstanding Magneto-Caloric Effect of a Gd$_{60}$Ni$_{37}$Co$_{3}$ Amorphous Alloy[J]. Chin. Phys. Lett., 2016, 33(12): 126101. DOI: 10.1088/0256-307X/33/12/126101
Yan-Fei Ma, Ben-Zhen Tang, Lei Xia, Ding Ding. Outstanding Magneto-Caloric Effect of a Gd$_{60}$Ni$_{37}$Co$_{3}$ Amorphous Alloy[J]. Chin. Phys. Lett., 2016, 33(12): 126101. DOI: 10.1088/0256-307X/33/12/126101
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Yan-Fei Ma, Ben-Zhen Tang, Lei Xia, Ding Ding. Outstanding Magneto-Caloric Effect of a Gd$_{60}$Ni$_{37}$Co$_{3}$ Amorphous Alloy[J]. Chin. Phys. Lett., 2016, 33(12): 126101. DOI: 10.1088/0256-307X/33/12/126101
Yan-Fei Ma, Ben-Zhen Tang, Lei Xia, Ding Ding. Outstanding Magneto-Caloric Effect of a Gd$_{60}$Ni$_{37}$Co$_{3}$ Amorphous Alloy[J]. Chin. Phys. Lett., 2016, 33(12): 126101. DOI: 10.1088/0256-307X/33/12/126101
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