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Magnetocaloric effect and size-effect related thermal hysteresis reduction in MnAs1-xPx compounds
Sun, Naikun1; Xu, Songning1; Li, Da2,3; Zhang, Zhidong2,3
Corresponding AuthorSun, Naikun(naikunsun@gmail.com)
2011-08-01
Source PublicationPHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
ISSN1862-6300
Volume208Issue:8Pages:1950-1952
AbstractIn MnAs1-xPx compounds (x = 0.006 and 0.01), prepared by mechanical alloying, the thermal hysteresis is greatly reduced from about 10-30K in MnAs-based compounds, prepared by conventional melting, to 2K for x = 0.01 (or 4K for x = 0.006). Such obvious hysteretic reduction is ascribed to the grain-size effect, largely due to the preparation method of mechanical alloying. Meanwhile, a maximum value of the magnetic-entropy change Delta S-M of 11.3 J/kgK for a field change of 2 T is obtained at 294.5K for MnAs0.994P0.006. The study on the MnAs1-xPx system and also the effect of the preparation technology may be beneficial for the realization of magnetic refrigerants for application at room temperature. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Keywordmagnetocaloric effect mechanical alloying thermal hysteresis
Funding Organizationhigh-tech industries of Shenyang Development and Reform Commission ; National Natural Science Foundation of China
DOI10.1002/pssa.201026735
Indexed BySCI
Language英语
Funding Projecthigh-tech industries of Shenyang Development and Reform Commission[2009 (104)] ; National Natural Science Foundation of China[50831006]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000294619600038
PublisherWILEY-BLACKWELL
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/104247
Collection中国科学院金属研究所
Corresponding AuthorSun, Naikun
Affiliation1.Shenyang Ligong Univ, Sch Sci, Shenyang 110159, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
3.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Sun, Naikun,Xu, Songning,Li, Da,et al. Magnetocaloric effect and size-effect related thermal hysteresis reduction in MnAs1-xPx compounds[J]. PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE,2011,208(8):1950-1952.
APA Sun, Naikun,Xu, Songning,Li, Da,&Zhang, Zhidong.(2011).Magnetocaloric effect and size-effect related thermal hysteresis reduction in MnAs1-xPx compounds.PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE,208(8),1950-1952.
MLA Sun, Naikun,et al."Magnetocaloric effect and size-effect related thermal hysteresis reduction in MnAs1-xPx compounds".PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 208.8(2011):1950-1952.
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