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Multiferroicity in B-site ordered double perovskite Y2MnCrO6

ISSN号：1674-1056
期刊名称：Chinese Physics B
时间：2014.11
页码：-
分类：TM284.014[电气工程—电工理论与新技术;一般工业技术—材料科学与工程] TG146.36[金属学及工艺—金属材料;一般工业技术—材料科学与工程;金属学及工艺—金属学]
作者机构：[1]National Laboratory of Solid State Microstructures and Key Laboratory of Nanomaterials of Jiangsu Province, Nanjing University, Nanjing 210093, China
相关基金：Project supported by the National Basic Research Program of China （Grant No. 2009CB929501）, the National High Technology Research and Development Program of China （Grant No. 2014AA032904）, and the National Natural Science Foundation of China （Grant Nos. 11174130 and U1232210）.
相关项目：六角晶系铁氧体的多铁性和磁电耦合效应研究

作者： Qiao Wen|Wang Wei|Wang Dun-Hui|Du You-Wei|

关键词：双钙钛矿, 有序, 亚铁磁性, 转变温度, 铁电相, 外部磁场, 磁电效应, 自发磁化, magnetism, ferroelectricity, magnetoelectric effect, multiferroics

中文摘要：

Double perovskite manganite Y2MnCrO6 ceramic is synthesized and its multiferroic properties are investigated.Novel multiferroic properties are displayed with respect to other multiferroics, such as high ferroelectric phase transition temperature, and the coexistence of ferrimagnetism and ferroelectricity. Moreover, the ferroelectric polarization of Y2MnCrO6 below the magnetic phase temperature can be effectively tuned by an external magnetic field, showing a remarkable magnetoelectric effect. These results open an effective avenue to explore magnetic multiferroics with spontaneous magnetization and ferroelectricity, as well as a high ferroelectric transition temperature.

英文摘要：

Double perovskite manganite Y2MnCrO6 ceramic Novel multiferroic properties are displayed with respect is synthesized and its multiferroic properties are investigated. to other multiferroics, such as high ferroelectric phase transi- tion temperature, and the coexistence of ferrimagnetism and ferroelectricity. Moreover, the ferroelectric polarization of Y2MnCrO6 below the magnetic phase temperature can be effectively tuned by an external magnetic field, showing a re- markable magnetoelectric effect. These results open an effective avenue to explore magnetic multiferroics with spontaneous magnetization and ferroelectricity, as well as a high ferroelectric transition temperature.

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