Magnetocaloric effect and martensitic transition in Ni50Mn36-xCoxSn14

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	Magnetocaloric effect and martensitic transition in Ni50Mn36-xCoxSn14
	Yang, LH ; Zhang, H ; Hu, FX ; Sun, JR ; Pan, LQ ; Shen, BG
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2014
卷号	588 页码:46
关键词	Ni-Mn-Co-Sn Martensitic transition Magnetocaloric effect
ISSN号	0925-8388
通讯作者	Shen, BG (reprint author), Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R China.
中文摘要	The structural, magnetic and martensitic transition properties are systematically investigated for Ni50Mn36-xCoxSn14 (x = 0, 1, 2, and 3) alloys. X-ray diffraction reveals that all the compounds are in the cubic phase with the L2(1)-type Heusler structure at room temperature. Temperature dependent magnetization indicates that the Curie temperatures of austenitic phases are almost unchanged with the substitution of Co for Mn. However, the martensitic transition temperatures firstly increase and then decrease with Co content increasing, which is different from the general dependency on the value of valence electrons per atom (e/a). The reason could be that the main driving force of martensitic transition for Ni50Mn36-xCoxSn14 is the hybridization between Ni and excess Mn rather than the value of e/a. Due to the strong coupling between magnetism and structure, Ni50Mn34Co2Sn14 exhibits a large magnetocaloric effect, thereby making it a good candidate for magnetic refrigeration materials. (C) 2013 Elsevier B. V. All rights reserved.
资助信息	National Natural Science Foundation of China; Hi-Tech Research and Development program of China; Key Research Program of the Chinese Academy of Sciences; National Basic Research of China
语种	英语
公开日期	2015-04-14
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/59125]
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	Yang, LH,Zhang, H,Hu, FX,et al. Magnetocaloric effect and martensitic transition in Ni50Mn36-xCoxSn14[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2014,588:46.
APA	Yang, LH,Zhang, H,Hu, FX,Sun, JR,Pan, LQ,&Shen, BG.(2014).Magnetocaloric effect and martensitic transition in Ni50Mn36-xCoxSn14.JOURNAL OF ALLOYS AND COMPOUNDS,588,46.
MLA	Yang, LH,et al."Magnetocaloric effect and martensitic transition in Ni50Mn36-xCoxSn14".JOURNAL OF ALLOYS AND COMPOUNDS 588(2014):46.