Interfacial engineering and coupling of electric and magnetic properties in Pb(Zr0.53Ti0.47)O3/CoFe2O 4 multiferroic epitaxial multilayers

J. X. Zhang; Jiyan Dai; H. L W Chan

doi:10.1063/1.3386510

Interfacial engineering and coupling of electric and magnetic properties in Pb(Zr0.53Ti0.47)O3/CoFe2O 4 multiferroic epitaxial multilayers

J. X. Zhang, Jiyan Dai, H. L W Chan

Research output: Journal article publication › Journal article › Academic research › peer-review

54 Citations (Scopus)

Abstract

Epitaxial magnetoelectric (ME) Pb(Zr0.53Ti0.47)O3(PZT)/CoFe2O4(CFO) multilayer nanocomposite thin films with up to 11 alternative layers are grown on Nb doped SrTiO3(STO) substrates by pulsed-laser deposition. X-ray diffraction and high resolution transmission electron microscopy studies reveal a good epitaxial relationship between the PZT and CFO layers without interfacial reaction at their interfaces. These epitaxial composite films exhibit strong ferroelectric and magnetic responses simultaneously at room temperature, and the interfacial-coupling-modulated dielectric behavior, polarization, and magnetic properties are observed and analyzed systematically. These results suggest that the magnetic, electric, and ME coupling effect may be tuned by the "strain engineering" in ferroelectric/magnetic or other multiferroic superlattice.

Original language	English
Article number	104105
Journal	Journal of Applied Physics
Volume	107
Issue number	10
DOIs	https://doi.org/10.1063/1.3386510
Publication status	Published - 15 May 2010

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.3386510

http://hdl.handle.net/10397/2479

Cite this

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abstract = "Epitaxial magnetoelectric (ME) Pb(Zr0.53Ti0.47)O3(PZT)/CoFe2O4(CFO) multilayer nanocomposite thin films with up to 11 alternative layers are grown on Nb doped SrTiO3(STO) substrates by pulsed-laser deposition. X-ray diffraction and high resolution transmission electron microscopy studies reveal a good epitaxial relationship between the PZT and CFO layers without interfacial reaction at their interfaces. These epitaxial composite films exhibit strong ferroelectric and magnetic responses simultaneously at room temperature, and the interfacial-coupling-modulated dielectric behavior, polarization, and magnetic properties are observed and analyzed systematically. These results suggest that the magnetic, electric, and ME coupling effect may be tuned by the {"}strain engineering{"} in ferroelectric/magnetic or other multiferroic superlattice.",

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Interfacial engineering and coupling of electric and magnetic properties in Pb(Zr0.53Ti0.47)O3/CoFe2O 4 multiferroic epitaxial multilayers

Abstract

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