Exploration of artificial multiferroic thin-film heterostructures using composition spreads | Zendy

KaoShuo Chang | Zendy; Maria A. Aronova | Zendy; ChiaChing Lin | Zendy; Makoto Murakami | Zendy; M. H. Yu | Zendy; Jason HattrickSimpers | Zendy; Olugbenga O. Famodu | Zendy; Sanggyu Lee | Zendy; R. Ramesh | Zendy; Manfred Wuttig | Zendy; Ichiro Takeuchi | Zendy; Cunxu Gao | Zendy; Leonid A. Bendersky | Zendy

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Exploration of artificial multiferroic thin-film heterostructures using composition spreads

Author(s) -

KaoShuo Chang,

Maria A. Aronova,

ChiaChing Lin,

Makoto Murakami,

M. H. Yu,

Jason HattrickSimpers,

Olugbenga O. Famodu,

Sanggyu Lee,

R. Ramesh,

Manfred Wuttig,

Ichiro Takeuchi,

Cunxu Gao,

Leonid A. Bendersky

Publication year - 2004

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 - 10.1063/1.1699474

Subject(s) - materials science , dielectric , heterojunction , multiferroics , ferroelectricity , ferromagnetism , thin film , microwave , scanning electron microscope , nanometre , condensed matter physics , optoelectronics , nanotechnology , composite material , physics , quantum mechanics

We have fabricated a series of composition spreads consisting of ferroelectric BaTiO3 and piezomagnetic CoFe2O4 layers of varying thicknesses modulated at nanometer level in order to explore artificial magnetoelectric thin-film heterostructures. Scanning microwave microscopy and scanning superconducting quantum interference device microscopy were used to map the dielectric and magnetic properties as a function of continuously changing average composition across the spreads, respectively. Compositions in the middle of the spreads were found to exhibit ferromagnetism while displaying a dielectric constant as high as ≈120.

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