Structural, magnetic and magnetocaloric properties of (Mn, Co)2(Si, P) compounds

被引：0
|
作者：
Ma, Lei [1 ,2 ]
Guillou, F. [1 ]
Yibole, H. [1 ]
Miao, X.F. [1 ]
Lefering, A.J.E. [1 ]
Rao, G.H. [2 ]
Gu, Z.F. [2 ]
Cheng, G. [2 ]
Brück, E. [1 ]
机构：
[1] Fundamental Aspects of Materials and Energy (FAME), Faculty of Applied Science, Delft University of Technology, Mekelweg 15, JB Delft,2629, Netherlands
[2] School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin,541004, China
来源：
Journal of Alloys and Compounds | 2016年 / 625卷
关键词：
Number:; 2012GXNSFGA060002; Acronym:; -; Sponsor: Natural Science Foundation of Guangxi Province; Sponsor:; BASF; FOM; Sponsor: Foundation for Fundamental Research on Matter; 51161005; NSFC; Sponsor: National Natural Science Foundation of China;
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摘要：
We report on various approaches to control the antiferro-ferromagnetic transition temperature of Mn1.2Co0.8Si0.2P0.8 and related materials for magnetocaloric applications. The effects of the Si substitution, Mn/Co ratio and B addition/substitution on MnCoP have been characterized by X-ray diffraction and magnetic measurements. In each case, these parameters have a great influence on the structural and magnetic properties. Silicon and boron turn out to be the elements suitable to substitute the phosphorous and bring TN closer to room temperature. The study thus paves the way for future tuning of the working temperature and adjustment of the magnetic properties. With entropy change of about 1.4 J kg-1 K-1 for 5 T, the inverse magnetocaloric effect of Mn1.2Co0.8Si0.2P0.8 is modest, but might present some interest for applications other than magnetic cooling. © 2014 Elsevier B.V.
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页码：95 / 100
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