Magnetocaloric effects in RNiIn (R = Gd-Er) intermetallic compounds

CORC > 物理研究所 > 物理所公开发表论文 > 期刊论文

	Magnetocaloric effects in RNiIn (R = Gd-Er) intermetallic compounds
	Zhang, H ; Xu, ZY ; Zheng, XQ ; Shen, J ; Hu, FX ; Sun, JR ; Shen, BG
刊名	JOURNAL OF APPLIED PHYSICS
	2011
卷号	109 期号:12
关键词	MAGNETIC ENTROPY CHANGE METAMAGNETIC TRANSITION RNI1-XIN1+X R HO COMPOUNDS NI COMPOUNDS RARE-EARTH RTIN R REFRIGERATION DY MAGNETORESISTANCE
ISSN号	0021-8979
通讯作者	Zhang, H: Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R China.
中文摘要	Magnetic properties and magnetocaloric effects (MCEs) of the intermetallic RNiIn (R = Gd-Er) compounds have been investigated in detail. GdNiIn and ErNiIn compounds exhibit a ferromagnetic (FM) to paramagnetic (PM) transition around the respective Curie temperatures. However, it is found that RNiIn with R = Tb, Dy, and Ho undergo two successive magnetic phase transitions with increasing temperature. In addition, a field-induced metamagnetic transition from antiferromagnetic (AFM) to FM states is observed in RNiIn with R = Tb and Dy below their respective AFM-FM transition temperatures (T(t)). The maximal values of magnetic entropy change (Delta S(M)) of HoNiIn are -9.5 J/kg K at T(t) = 7 K and -21.7 J/kg K at T(C) = 20 K for a magnetic field change of 5 T, respectively. These two successive Delta S(M) peaks overlap partly, giving rise to a high value of refrigerant capacity (RC = 341 J/kg at 5 T) over a wide temperature span. It is noted that the RC value of GdNiIn is as high as 326 J/kg due to the relatively broad distribution of Delta S(M) peak. Consequently, this RNiIn system shows large reversible Delta S(M) and considerable RC values in the temperature range of 10-100 K. (c) 2011 American Institute of Physics. [doi:10.1063/1.3603044]
收录类别	SCI
资助信息	National Natural Science Foundation of China; Chinese Academy of Sciences; Hi-Tech Research and Development program of China; China Postdoctoral Science Foundation
语种	英语
公开日期	2013-09-18
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/41614]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Zhang, H,Xu, ZY,Zheng, XQ,et al. Magnetocaloric effects in RNiIn (R = Gd-Er) intermetallic compounds[J]. JOURNAL OF APPLIED PHYSICS,2011,109(12).
APA	Zhang, H.,Xu, ZY.,Zheng, XQ.,Shen, J.,Hu, FX.,...&Shen, BG.(2011).Magnetocaloric effects in RNiIn (R = Gd-Er) intermetallic compounds.JOURNAL OF APPLIED PHYSICS,109(12).
MLA	Zhang, H,et al."Magnetocaloric effects in RNiIn (R = Gd-Er) intermetallic compounds".JOURNAL OF APPLIED PHYSICS 109.12(2011).