Hydrogenation induced reversible modulation of perpendicular magnetic coercivity in Pd/Co/Pd films

Wen Chin Lin, Cheng Jui Tsai, Bo Yao Wang, Chao Hung Kao, Way Faung Pong

研究成果: 雜誌貢獻期刊論文同行評審

44 引文 斯高帕斯(Scopus)

摘要

In perpendicularly magnetized Pd/Co/Pd trilayers, the hydrogenation not only increased Kerr signal but also significantly enhanced the magnetic coercivity (HC) by 17%. The reversibility was demonstrated by cyclic H2 exposure. The time constants of hydrogen absorption and desorption effect on HC range from tens to hundreds seconds, depending on the H2 gas pressure. The magneto-optical Kerr signal and magnetic coercivity was simultaneously recorded during H2 absorption and desorption. These multifarious signals respond differently and provide a detailed understanding of hydrogenation effect on the functional Pd/Co/Pd trilayers.

原文英語
文章編號252404
期刊Applied Physics Letters
102
發行號25
DOIs
出版狀態已發佈 - 2013 6月 24

ASJC Scopus subject areas

  • 物理與天文學(雜項)

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