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Multiferroic behaviour of epitaxial NiFe2O4-BaTiO3 heterostructures

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Multiferroic behaviour of epitaxial NiFe2O4-BaTiO3 heterostructures

Zhang Yi;Deng Chao-Yong;Ma Jing;Lin Yuan-Hua;Nan Ce-Wen

【期刊名称】《中国物理:英文版》 【年(卷),期】2008(017)010

【摘要】Multiferroic NiFe2O4(NFO)-BaTiO3(BTO)bilayered thin films are epitaxially grown on(001)Nb-doped SrTiO3(STO)substrates by pulsed-laser deposition(PLD).Different growth sequences of NFO and BTO on the substrate yield two kinds of epitaxial heterostructures with(001)-orientation,i.e.(001)-NFO/(001)-BTO/substrate

and(001)-BTO/(001)-

NFO/substrate.Microstructure studies from x-ray diffraction(XRD)and electron

microscopies

show

differences

between

these

two

heterostructures,which result in different multiferroic behaviours.The heterostructured composite films exhibit good coexistence of both ferroelectric

and

ferromagnetic

properties,in

particular,obvious

magnetoelectric(ME)effect on coupling response. 【总页数】7页(3910-3916)

【关键词】magnetoelectric effect;epitaxial heterostructure;nickel ferrite;multiferroics

【作者】Zhang Yi;Deng Chao-Yong;Ma Jing;Lin Yuan-Hua;Nan Ce-Wen 【作者单位】Department of Materials Science and Engineering,State Key Laboratory

of

New

Ceramics

and

Fine

Processing,Tsinghua

Multiferroic behaviour of epitaxial NiFe2O4-BaTiO3 heterostructures

MultiferroicbehaviourofepitaxialNiFe2O4-BaTiO3heterostructuresZhangYi;DengChao-Yong;MaJing;LinYuan-Hua;NanCe-Wen【期刊名称】《中国物理:英文版》【年(卷),期】2008(017)010【摘要】Mul
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