Absorption of D in the H + D/Pd(100) reaction

H. Okuyama, T. Nakagawa, W. Siga, N. Takagi, M. Nishijima, T. Aruga

研究成果: Contribution to journalArticle査読

11 被引用数 (Scopus)

抄録

We have found a new elementary reaction process for the H(g) + D(a) system: a H(g) atom (Tgas=1800 K) impinging on the D-saturated Pd(100) surface (Tsurf=105 K) forces a preadsorbed D(a) atom to be absorbed into the bulk. Neither direct absorption of H(g) nor abstraction was observed. The mechanism of the absorption is discussed, and a "stamping" model is proposed. A marked difference in the reaction selectivity with the results previously reported for Cu and Ni surfaces is discussed in terms of the peculiarity of the potential energy surface and dynamics of the H2/M system.

本文言語英語
ページ(範囲)L849-L854
ジャーナルSurface Science
411
1-2
DOI
出版ステータス出版済み - 8 11 1998
外部発表はい

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 表面および界面
  • 表面、皮膜および薄膜
  • 材料化学

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