Tunable multiferroic properties in nanocomposite PbTiO3–CoFe2O4 epitaxial thin films | Zendy

Makoto Murakami | Zendy; KaoShuo Chang | Zendy; Maria A. Aronova | Zendy; C.-L. Lin | Zendy; Ming Yu | Zendy; J. Hattrick Simpers | Zendy; Manfred Wuttig | Zendy; Ichiro Takeuchi | Zendy; Chenyan Gao | Zendy; Bo Hu | Zendy; S. E. Lofland | Zendy; L.A. Knauss | Zendy; Leonid A. Bendersky | Zendy

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Tunable multiferroic properties in nanocomposite PbTiO3–CoFe2O4 epitaxial thin films

Author(s) -

Makoto Murakami,

KaoShuo Chang,

Maria A. Aronova,

C.-L. Lin,

Ming Yu,

J. Hattrick Simpers,

Manfred Wuttig,

Ichiro Takeuchi,

Chenyan Gao,

Bo Hu,

S. E. Lofland,

L.A. Knauss,

Leonid A. Bendersky

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2041825

Subject(s) - multiferroics , nanocomposite , materials science , dielectric , ferroelectricity , epitaxy , thin film , magnetism , transmission electron microscopy , nanostructure , condensed matter physics , nanotechnology , optoelectronics , physics , layer (electronics)

We report on the synthesis of PbTiO3–CoFe2O4 multiferroic nanocomposites and continuous tuning of their ferroelectric and magnetic properties as a function of the average composition on thin-film composition spreads. The highest dielectric constant and nonlinear dielectric signal was observed at (PbTiO3)85–(CoFe2O4)15, where robust magnetism was also observed. Transmission electron microscopy revealed a pancake-shaped epitaxial nanostructure of PbTiO3 on the order of 30 nm embedded in the matrix of CoFe2O4 at this composition. Composition dependent ferroics properties observed here indicate that there is considerable interdiffusion of cations into each other.

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