Excellent cryogenic magnetocaloric performances in ferromagnetic Sr2GdNbO6 double perovskite compound

被引：117
作者：
Xu, Peng [1 ]
Ma, Zhipan [1 ,2 ]
Wang, Pengfei [1 ]
Wang, Haifeng [2 ,3 ]
Li, Lingwei [1 ,2 ,3 ]
机构：
[1] Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110819, Peoples R China
[2] Hangzhou Dianzi Univ, Inst Adv Magnet Mat, Key Lab Novel Mat Sensor Zhejiang Prov, Hangzhou 310012, Peoples R China
[3] Northwestern Polytech Univ, Ctr Adv Lubricat & Seal Mat, State Key Lab Solidificat Proc, Xian 710072, Peoples R China
来源：
MATERIALS TODAY PHYSICS | 2021年 / 20卷
基金：
中国国家自然科学基金;
关键词：
Magnetocaloric performances; Rare earth; Magnetic properties; Double perovskite (DP) compound; Magnetocaloric effect (MCE); MAGNETIC-PROPERTIES; RE; ER; ACHIEVEMENT; GD; DY;
D O I：
10.1016/j.mtphys.2021.100470
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The solid state magnetic cooling (MC) method by utilizing the magnetocaloric effect (MCE) has been recognized as an environmentally friendly and energy efficiency technology. A huge gap between the developing of MCE materials and the practical MC applications still exists at present. In this work, a combination theoretical and experimental investigation of the Sr2GdNb06 compound with a typical orthorhombic double perovskite (DP) type structure in terms of structural, magnetic and MCE properties have been reported. Ferromagnetic (FM) interaction with large magnetic moment at ground state has been confirmed in Sr2GdNbO6 DP compound. Excellent MCE performances at cryogenic have been realized in Sr2GdNbO6 DP compound which is accompanied by a second-ordered type magnetic transition from paramagnetic to FM state. The observed large MCE parameters make the Sr2GdNbO6 DP compound attractive for practical cryogenic MC applications. (C) 2021 Elsevier Ltd. All rights reserved.
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页数：6
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