Magnetization and Magnetostriction of LaFe11.2-хMnxCo0.7Si1.1 Alloys (x=0.1, 0.2, 0.3) in Pulsed Magnetic Fields

被引：1
作者：
Abdulkadirova, N. Z. [1 ]
Gamzatov, A. G. [1 ]
Batdalov, A. B. [1 ]
Kamilov, K. I. [1 ,2 ]
Aliev, A. M. [1 ]
Gebara, P. [3 ]
机构：
[1] Russian Acad Sci, Dagestan Sci Ctr, Amirkhanov Inst Phys, Makhachkala 367030, Dagestan, Russia
[2] Moscow State Pedag Univ, Fac Phys, Moscow 119992, Russia
[3] Czestochowa Tech Univ, Inst Phys, PL-42200 Czestochowa, Poland
来源：
PHYSICS OF METALS AND METALLOGRAPHY | 2023年 / 124卷 / 11期
关键词：
magnetization; magnetostriction; magnetic field; MAGNETOCALORIC PROPERTIES; METAMAGNETIC TRANSITION; PARTIAL SUBSTITUTION; PHASE-TRANSITION; ROOM-TEMPERATURE; ENTROPY CHANGE; FE; MN; EXPANSION; PR;
D O I：
10.1134/S0031918X23601531
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The magnetization and magnetostriction of polycrystalline LaFe(11.2 - & khcy;)MnxCo(0.7)Si(1.1) alloys (x = 0.1, 0.2, 0.3) were measured in pulsed magnetic fields up to 180 kOe in the temperature region of 80-270 K. The substitution of Fe atoms by Mn atoms shifts T-C towards lower temperatures and has no effect on the saturation magnetization. The observed magnetization-field dependence M(H) near T-C is typical of the second-order phase transitions, whereas the magnetization-temperature dependence M(T) above T-C in strong magnetic fields indicates the occurrence of a first-order phase transition. The magnetovolume effect Delta V/V attains 0.81% in a field of 180 kOe. Magnetostriction asymmetry with respect to the maximum temperature of the effect in strong magnetic fields and magnetic-field hysteresis of magnetostriction have the first-order phase transition features.
引用
收藏
页码：1099 / 1104
页数：6
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