Ferroelectric and ferrimagnetic properties of ε-RhxFe2−xO3 thin films

Shintaro YASUI; Tsukasa KATAYAMA; Takuya OSAKABE; Yosuke HAMASAKI; Tomoyasu TANIYAMA; Mitsuru ITOH

doi:10.2109/jcersj2.19048

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Ferroelectric and ferrimagnetic properties of ε-Rh_xFe₂₋_xO₃ thin films

Shintaro YASUI, Tsukasa KATAYAMA, Takuya OSAKABE, Yosuke HAMASAKI, Tomoyasu TANIYAMA, Mitsuru ITOH

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Keywords: ε-Fe₂O₃, κ-Al₂O₃, GaFeO₃, Ferroelectric, Ferrimagnetism, Multiferroic

JOURNAL FREE ACCESS

2019 Volume 127 Issue 7 Pages 474-477

DOI https://doi.org/10.2109/jcersj2.19048

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Abstract

Rh_xFe₂₋_xO₃ solid-solution epitaxial thin films were prepared by pulsed laser deposition. The ferroelectricity of Rh_0.15Fe_1.85O₃ thin film was presented by the result of piezoelectric force microscopy phase and amplitude loops measured at room temperature. Ferrimagnetism at room temperature is confirmed by the magnetic hysteresis loop. The coercive field of Rh_0.15Fe_1.85O₃ thin film at 5 K is 12 kOe, which is larger than that of ε-Fe₂O₃. Rh_0.15Fe_1.85O₃ is confirmed to be a room temperature multiferroic material.

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