Direct observation of a repeatable change in electronic states with applied electric voltage pulses in the metal-insulator-metal structure

K. Azumi*, K. Aoyama, S. Asanuma, Y. Uesu, T. Katsufuji

*この研究の対応する著者

研究成果: Article査読

3 被引用数 (Scopus)

抄録

By the microspectroscopic imaging of optical reflectivity for the La1-x Srx FeO3-δ thin film with indium-tin-oxide electrodes, we observed that the shape of the conducting area between two electrodes is reversibly varied with applied electric voltage pulses and that causes a repeatable change in the electrical resistance between the electrodes. These results can be explained by the oxygen-ion migration with applied electric field, which induces a variation in the distribution of the Fe4+ ions in the thin film.

本文言語English
論文番号121101
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
79
12
DOI
出版ステータスPublished - 2009 3 3

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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