Wide temperature window of magnetostructural transition achieved in Mn0.4Fe0.6NiSi1-xGax by a two-step isostructural alloying process

被引:11
作者
Chen, J. [1 ]
Zhang, H. G. [1 ]
Liu, E. K. [2 ]
Yue, M. [1 ]
Lu, Q. M. [1 ]
Wang, W. H. [2 ]
Wu, G. H. [2 ]
Zhang, J. X. [1 ]
机构
[1] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
[2] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R China
来源
AIP ADVANCES | 2016年 / 6卷 / 05期
基金
中国国家自然科学基金;
关键词
MARTENSITIC-TRANSFORMATION; MAGNETORESPONSIVE PROPERTIES; PHASE-DIAGRAM; MNCOGE; MN;
D O I
10.1063/1.4944704
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A new approach has been proposed in this work, which provides an effective way for tuning the structural transition in MM'X systems with relatively high transition temperature. With this method, a temperature window as wide as 275 K for the magnetostructural transition has been achieved in the MnNiSi alloy system. The maximum magnetic entropy change of the system is as high as 13.3 J/kgK, which, together with the large temperature window, enables the Mn0.4Fe0.6NiSi1-xGax system to be a promising candidate for magnetic refrigerant applications. (C) 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
引用
收藏
页数:6
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