Room-temperature giant magnetotranstance effect in single-phase multiferroics

被引：0

作者：

Yan-Fen Chang ^{[1
,2
]}

Young Sun ^{[1
,2
,3
]}

机构：

[1] Beijing National Laboratory for Condensed Matter Physics and Beijing Advanced Innovation Center for Materials Genome Engineering,Institute of Physics,Chinese Academy of Sciences

[2] School of Physical Science,University of Chinese Academy of Sciences

[3] Center of Quantum Materials and Devices,Chongqing University

来源：

Science China(Physics,Mechanics & Astronomy) | 2021年 / 03期

基金：

中国国家自然科学基金; 北京市自然科学基金;

关键词：

D O I：

暂无

中图分类号：

TB34 [功能材料]; O482.5 [磁学性质];

学科分类号：

070205 ; 0805 ; 080501 ; 080502 ; 0809 ;

摘要：

Single-phase multiferroic materials are usually considered useless because of the weak magnetoelectric effects,low operating temperature,and small electric polarization induced by magnetic orders.As a result,current studies on applications of the magnetoelectric effects are mainly focusing on multiferroic heterostructures and composites.Here we report a room-temperature giant effect in response to external magnetic fields in single-phase multiferroics.A low magnetic field of 1000 Oe applied on the spin-driven multiferroic hexaferrites BaSrCo;Fe;AlO;and Ba;Sr;Co;Fe;AlO;is able to cause a huge change in the linear magnetoelectric coefficient（α;=dE/dH） by several orders,leading to a giant magnetotranstance（GMT） effect at room temperature.The GMT effect is comparable to the well-known giant magnetoresistance（GMR） effect in magnetic multilayers,and thus opens up a door toward practical applications for single-phase multiferroics.

引用

页码：109 / 114

页数：6

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