Decomposition of the surface carbide on Ni(001) induced by copper adsorption and surface segregation of carbon

H. Tochihara, A. Pomprasit, T. Kadowaki, Seigi Mizuno, H. Minagawa, K. Hayakawa, I. Toyoshima

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3 Citations (Scopus)

Abstract

Auger electron spectroscopy was used to study decomposition of the surface nickel-carbide, p4g(2 × 2)C Ni(001), induced by copper adsorption. Decomposition temperature of the surface nickel-carbide covered by a copper monolayer was decreased by 150-200 K compared to that of the surface nickel-carbide without copper. On cooling, the released carbon atoms did not come back to the surface region anymore. Behavior of carbon is discussed based on the stability of surface metal-carbides.

Original languageEnglish
JournalSurface Science
Volume257
Issue number1-3
DOIs
Publication statusPublished - Nov 1 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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