Room temperature multiferroicity in Ga0.6Fe1.4O3:Mg thin films | Zendy

Alexandre Thomasson | Zendy; S. Cherifi | Zendy; Christophe Lefèvre | Zendy; F. Roulland | Zendy; Brice Gautier | Zendy; David F. Albertini | Zendy; C. Mény | Zendy; N. Viart | Zendy

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Room temperature multiferroicity in Ga0.6Fe1.4O3:Mg thin films

Author(s) -

Alexandre Thomasson,

S. Cherifi,

Christophe Lefèvre,

F. Roulland,

Brice Gautier,

David F. Albertini,

C. Mény,

N. Viart

Publication year - 2013

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4808349

Subject(s) - multiferroics , materials science , ferroelectricity , thin film , coercivity , pulsed laser deposition , yttrium , polarization (electrochemistry) , magnetization , yttrium iron garnet , curie temperature , condensed matter physics , nuclear magnetic resonance , optoelectronics , analytical chemistry (journal) , dielectric , magnetic field , ferromagnetism , nanotechnology , metallurgy , chemistry , physics , quantum mechanics , chromatography , oxide

We report on the multiferroic behavior of 2%-magnesium-doped Ga0.6Fe1.4O3 thin film at room temperature. The sample was grown by pulsed laser deposition on a Pt-coated Yttrium-Stabilized Zirconia substrate. Magnetic measurements indicate a net magnetization of 105 emu/cm3 at 295 K, and the persistence of magnetic ordering above room temperature. Ferroelectric measurements show clear polarization switching with negligible contribution from leakage currents, with a polarization of 0.2 μC/cm−2 and a coercive field of 133 kV/cm. Scanning probe microscopy confirms the low leakage current and detects a stable piezoelectric signal. This could open original perspectives for the application of single-phased multiferroic systems.

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