Large enhancement of magnetocaloric effect driven by hydrostatic pressure in HoCuSi compound

被引：21

作者：

Hao, Jia-Zheng ^{[1
,2
,3
]}

Hu, Feng-Xia ^{[2
,3
,4
,5
]}

Zhou, Hou-Bo ^{[2
,3
,4
]}

Liang, Wen-Hui ^{[2
,3
,4
]}

Yu, Zi-Bing ^{[2
,3
,4
]}

Shen, Fei-Ran ^{[2
,3
,4
]}

Gao, Yi-Hong ^{[2
,3
,4
]}

Qiao, Kai-Ming ^{[2
,3
,4
]}

Li, Jia ^{[2
,3
,4
]}

Zhang, Cheng ^{[2
,3
,4
]}

Wang, Bing-Jie ^{[1
,2
,3
]}

Wang, Jing ^{[2
,3
,4
,6
]}

He, Jun ^{[1
]}

Sun, Ji-Rong ^{[2
,3
,4
,5
]}

Shen, Bao-Gen ^{[2
,3
,4
,5
]}

机构：

[1] Cent Iron & Steel Res Inst, Div Funct Mat Res, Beijing 100081, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[3] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R China

[4] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[5] Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China

[6] Chinese Acad Sci, Fujian Innovat Acad, Fuzhou 350108, Fujian, Peoples R China

来源：

SCRIPTA MATERIALIA | 2020年 / 186卷

基金：

中国国家自然科学基金;

关键词：

Magnetocaloric effect; Phase transformation; Magnetic materials; TRANSITION; REDUCTION;

D O I：

10.1016/j.scriptamat.2020.04.019

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Dual field driven caloric effect has aroused great interest in recent years. Hydrostatic pressure can shift the temperature zone of magnetocaloric effect(MCE), but seldom enhance its magnitude. Here, a large enhancement of MCE driven by pressure under magnetic field available by permanent magnet has been achieved in HoCuSi compound without introducing hysteresis loss, which is favorable for developing hybrid field driven refrigeration applications at low temperature regions. A distinct mechanism is revealed. Pressure largely regulates non-collinear spin structure and magnetizing process through affecting crystal field interactions and spin-spin coupling, hence resulting in the significant impact on magnetic properties and MCE. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：84 / 88

页数：5

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