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Capacitance Tunability of Magneto-electric Material:Cr2O3 using Ferromagnetic (La,Sr)MnO3 Electrode

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Abstract

We have investigated the dielectric properties of the Cr2O3 films using ferromagnetic electrode; (La0.66, Sr0.33)MnO3. The relationships between those properties and their crystallinity also have been investigated. The well crystallized sample was exhibited low leakage current density. Although all samples show capacitance decreasing by applying voltages, the decreasing ratio was the largest on the sample with lowest leakage current density. Since the Cr2O3 film with same leakage current density as that sample using non-magnetic electrode didn’t show any capacitance changes by applying voltages, it is suggested that the dielectric properties of Cr2O3 film might be affected by the ferromagnetic film.

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Authors and Affiliations

  1. Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, 4668555, Japan

    Takeshi Yokota, Takaaki Kuribayashi, Takeshi Shundo, Keita Hattori, Yasutoshi Sakakibara & Manabu Gomi

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  1. Takeshi Yokota
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  2. Takaaki Kuribayashi
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  3. Takeshi Shundo
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  4. Keita Hattori
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  5. Yasutoshi Sakakibara
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  6. Manabu Gomi
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Yokota, T., Kuribayashi, T., Shundo, T. et al. Capacitance Tunability of Magneto-electric Material:Cr2O3 using Ferromagnetic (La,Sr)MnO3 Electrode. MRS Online Proceedings Library 966, 302 (2006). https://doi.org/10.1557/PROC-0966-T03-02

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