Observation of giant magnetocaloric effect under low magnetic field in Eu_1−xBa_xTiO₃

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• 作者：Zhao-Jun Mo^a ; ^b ; ^{mzjmzj163@163.com} ; Zhi-Hong Hao^d ; Jin-Zhi Deng^a ; Jun Shen^b ; ^{jshen@mail.ipc.ac.cn} ; Lan Li^a ; Jian-Feng Wu^b ; Feng-Xia Hu^c ; Ji-Rong Sun^c ; Bao-Gen Shen^c
• 关键词：Magnetocaloric effect ; Magnetic entropy change ; Refrigerant capacity ; Eu1&minus ; xBaxTiO3
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：15 February 2017
• 年：2017
• 卷：694
• 期：Complete
• 页码：235-240
• 全文大小：1793 K
• 卷排序：694

文摘

Eu1−xBaxTiO3 compound exhibits a giant reversible MCE. The AFM ordering of pure EuTiO3 can be significantly changed to be FM with slight Ba-doping. Under field changes of 2 T, the value of −ΔSMmax is 23.4 J/kg K and the RC is 119 J/kg, respectively.