Exchange-bias dependent diffusion rate of hydrogen discovered from evolution of hydrogen-induced noncollinear magnetic anisotropy in FePd thin films

Wei Hsiang Wang, Yu Song Cheng, Hwo Shuenn Sheu, Wen Chin Lin, Pei Hsun Jiang

研究成果: 雜誌貢獻期刊論文同行評審

1 引文 斯高帕斯(Scopus)

摘要

Hydrogenation-induced noncollinear magnetic anisotropy is observed from the evolution of the magnetic domains in FePd alloy thin films using magneto-optic Kerr effect (MOKE) microscopy. MOKE images reveal complicated competitions between different magnetic anisotropies during hydrogen diffusion into the film. An intriguing enhancement of the hydrogen diffusion rate due to the presence of an initial exchange bias induced by a high magnet field is thereby discovered, pointing to an additional scope of controllability of magnetic metal hydrides as potential future hydrogen sensing and storage materials.

原文英語
文章編號224420
期刊Physical Review B
104
發行號22
DOIs
出版狀態已發佈 - 2021 12月 1

ASJC Scopus subject areas

  • 電子、光磁材料
  • 凝聚態物理學

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