Electric-field-induced on/off switching of the Faraday effect

Yuki Hibino, Tomohiro Koyama, Satoshi Sumi, Hiroyuki Awano, Kazumoto Miwa, Shimpei Ono, Makoto Kohda, Daichi Chiba

研究成果: ジャーナルへの寄稿学術論文査読

4 被引用数 (Scopus)

抄録

We demonstrate that the Faraday effect can be electrically and reversibly switched on and off at room temperature without changing the external magnetic field. A Co ultrathin film deposited on a Pt underlayer was used for the demonstration. An electric field was applied to the surface of the Co film by forming an electric double layer using an ionic liquid. The switching of the Faraday effect was caused by the electric-field-induced ferromagnetic phase transition in the system. The magnitude of the electrical change in the Faraday rotation angle and the ellipticity are also discussed.

本文言語英語
論文番号123201
ジャーナルApplied Physics Express
10
12
DOI
出版ステータス出版済み - 2017 12月

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