Remarkable hydrogen storage, structural and optical properties in multi-layered Pd/Mg thin films

Hironobu Fujii, Koichi Higuchi, Kenichi Yamamoto, Hideshi Kajioka, Shinichi Orimo, Kiyokazu Toiyama

研究成果: Review article査読

45 被引用数 (Scopus)

抄録

In this paper, we review our recent results on hydrogen storage, structural and optical properties in multi-layered Pd/Mg thin films. The thin films were prepared using a RF associated magnetron sputtering method, in which the structure in Mg layer was controlled into columnar-like textures with several tens nanometer in diameter by optimizing the sputtering conditions. The results obtained indicate that hydrogen of ∼5 mass% absorbs at 373 K in Mg under a hydrogen pressure of 0.1 MPa in multi-layered Pd/Mg films and the hydrogen desorbs at 360 K in vacuum. Such excellent hydrogen storage properties are explained by cooperative phenomena that hydrogen displays in nano-composite interface boundary regions between the Pd and Mg films. In addition, we experimentally confirmed at the first time that the rare earth and nickel free two-layered Pd/Mg film displayed optical transparency upon hydrogenation.

本文言語English
ページ(範囲)2721-2727
ページ数7
ジャーナルMaterials Transactions
43
11
DOI
出版ステータスPublished - 2002 11月
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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