Structure, Magnetic and Magnetocaloric Properties of Nonstoichiometric TbCo2Nix Compounds

被引：7
|
作者：
Inishev, A. A. [1 ,2 ]
Gerasimov, E. G. [1 ,2 ]
Mushnikov, N. V. [1 ,2 ]
Terent'ev, P. B. [1 ,2 ]
Gaviko, V. S. [1 ,2 ]
机构：
[1] Russian Acad Sci, Ural Branch, Inst Met Phys, Ekaterinburg 620990, Russia
[2] Ural Fed Univ, Inst Nat Sci, Ekaterinburg 620002, Russia
来源：
PHYSICS OF METALS AND METALLOGRAPHY | 2017年 / 118卷 / 11期
基金：
俄罗斯基础研究基金会;
关键词：
magnetic moment; Curie temperature; magnetocaloric effect; Laves phase; nonstoichiometric compounds; PHASE-TRANSITIONS; TEMPERATURE; DIFFRACTION; NEUTRON;
D O I：
10.1134/S0031918X17110035
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The structure and magnetic and magnetocaloric properties of new nonstoichiometric TbCo2Nix compounds (0 <= x <= 0.4) have been studied. The alloys with x <= 0.1 have been shown to be single-phase with the MgCu2-type structure; in alloys with x > 0.1, an additional phase with a PuNi3-type structure has been formed. It has been found that the concentration dependences of the Curie temperature and magnetic moment of the 3d-metal sublattice have a maximum at x = 0.025. The magnetocaloric effect magnitude for the TbCo2Nix compounds has been estimated using the results of magnetic and heat-capacity measurements.
引用
收藏
页码：1059 / 1065
页数：7
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