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Table-Like Large Magnetocaloric Effect in the Misch Metal RSi Compound
作者姓名:刘若水  刘俊  王利晨  李峥睿  俞翔  米岩  董巧燕  李凯  李丹丽  吕晨辉  刘丽峰  贺淑莉
作者单位:Department of Physics;State Key Laboratory for Magnetism;Department of Chemistry
基金项目:the National Natural Science Foundation of China under Grant Nos.51701130,51571146,and 51771124.
摘    要:Magnetic properties and the magnetocaloric effect(MCE)of the RSi(R=Ce,Pr,Nd)compounds made of Misch metal(MM)are investigated.Two transitions are found at 12K and 38K.Field variation generated large MCE and two peaks are found in the magnetic entropy change(△S)curves,which correspond to the two transition temperatures.The maximum values of the magnetic entropy changes(△S)are found to be-5.1 J/(kg·K)and-9.3 J/(kg·K)for the field ranges of 0-2 T and 0-5 T,respectively.The large AS as well as ultra-low price of MM make(MM)Si a competitive magnetic refrigerant candidate for low temperature in Eriksson cycle.

关 键 词:ENTROPY  magnetic  COMPETITIVE

Table-Like Large Magnetocaloric Effect in the Misch Metal RSi Compound
Ruo-Shui Liu,Jun Liu,Li-Chen Wang,Zheng-Rui Li,Xiang Yu,Yan Mi,Qiao-Yan Dong,Kai Li,Dan-Li Li,Chen-Hui Lv,Li-Feng Liu,Shu-Li He.Table-Like Large Magnetocaloric Effect in the Misch Metal RSi Compound[J].Chinese Physics Letters,2020(1):88-91.
Authors:Ruo-Shui Liu  Jun Liu  Li-Chen Wang  Zheng-Rui Li  Xiang Yu  Yan Mi  Qiao-Yan Dong  Kai Li  Dan-Li Li  Chen-Hui Lv  Li-Feng Liu  Shu-Li He
Institution:(Department of Physics,Capital Normal University,Beijing 100048;State Key Laboratory for Magnetism,Institute of Physics,Chinese Academy of Sciences,Beijing 100190;Department of Chemistry,Capital Normal University,Beijing 100048)
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