Correlation between linear magnetostriction and magnetocaloric effect in the Fe7Se8 single crystals

被引：0
|
作者：
Konopelnyk, Y. [1 ]
Zuberek, R. [1 ]
Nabialek, A. [1 ]
Szymczak, H. [1 ]
Puzniak, R. [1 ]
机构：
[1] Polish Acad Sci, Inst Phys, Aleja Lotnikow 32-46, PL-02668 Warsaw, Poland
来源：
MATERIALS RESEARCH EXPRESS | 2022年 / 9卷 / 10期
关键词：
magnetostriction; phase transition; correlation; magnetocaloric effect; THERMAL-EXPANSION;
D O I：
10.1088/2053-1591/ac9777
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of the change in size under the influence of an applied magnetic field (magnetostriction) was studied in Fe7Se8 single crystals. It was shown that a systematic change in the unit-cell constants, induced by an external magnetic field and dependent on the direction and magnitude of this field, strongly correlates with the change in the spin reorientation temperature (T (SRT)) and the magnetic entropy change, which is strongly dependent on T (SRT) and magnetization. The obtained results suggest that the relation between magnetostriction and the change in magnetic entropy (Delta S (m)), reported previously for different materials, seems to have universal character, and magnetostriction can be used as an indirect method to estimate the change in magnetic entropy in Fe7Se8 single crystals substituted with transition metals.
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页数：7
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