Multiferroic Properties and Magnetoelectric Coupling of Fe-Doped (Ba0.7Ca0.3)TiO3-Ba(Zr0.2Ti0.8)O3 Ceramics

被引：7

作者：

Gong, Baolian ^{[1
,2
]}

Huang, Fengzhen ^{[1
,2
,3
]}

Shao, Ye ^{[1
,2
]}

Lei, Lin ^{[1
,2
]}

Liu, Lin ^{[1
,2
]}

Wang, Junjun ^{[1
,2
]}

Yan, Shuo ^{[1
,2
]}

Lu, Xiaomei ^{[1
,2
,3
]}

Zhu, Jinsong ^{[1
,2
,3
]}

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Sch Phys, Nanjing 210093, Jiangsu, Peoples R China

[3] Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2020年 / 217卷 / 02期

基金：

中国国家自然科学基金;

关键词：

magnetodielectric coupling; morphotropic phase boundaries; multiferroics; ROOM-TEMPERATURE; MAGNETIC-PROPERTIES; PHASE-TRANSITIONS; DOPING CONCENTRATION;

D O I：

10.1002/pssa.201900826

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe-doped (Ba0.7Ca0.3)TiO3-Ba(Zr0.2Ti0.8)O-3 (BCZT) ceramics are prepared by a conventional solid-state reaction method, and their structure, multiferroic, and coupling properties are investigated. Ferromagnetism and magnetoelectric coupling are successfully realized by Fe3+ doping. Meanwhile, Fe3+ doping in BCZT results in a gradual transition from typical ferroelectrics to relaxor ferroelectrics or even quantum paraelectrics. In consequence, obvious magnetodielectric (MD) effect is observed only among the morphotropic phase boundary (MPB) temperature range. For (Ba1.7Ca0.3)(Zr0.2Ti1.7Fe0.1)O-6 ceramics, the coexistence of ferroelectricity and ferromagnetism along with a large MD effect is obtained below 200 K. Herein, the results highlight the role of MPB on the magnetoelectric coupling of ferroelectrics with a percolating of magnetic ions.

引用

页数：9

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