Voltage-induced reversible changes in the magnetic coercivity of Fe/ZnO heterostructures

Wen Chin Lin, Po Chun Chang, Cheng Jui Tsai, Tsung Chun Shieh, Fang Yuh Lo

研究成果: 雜誌貢獻文章

14 引文 斯高帕斯(Scopus)

摘要

In this study, the magnetic coercivity (Hc) of Fe/ZnO heterostructure monotonically decreased as voltage was applied. The reversibility of this effect was demonstrated by cyclically changing the bias voltage from 0 to 6-9 V; the Hc decreased 15%-20%. The Hc value exhibited the same variation whether the applied voltage was positive or negative. As thick Fe-oxide gradually formed at the interface by using direct current heating, the Hc increased and the Fe/ZnO heterostructure demonstrated a similar voltage-induced reduction of Hc.

原文英語
文章編號062411
期刊Applied Physics Letters
104
發行號6
DOIs
出版狀態已發佈 - 2014 十月 2

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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