Clean TiC(001) surface and oxygen chemisorption studied by work function measurement, angle-resolved X-RAY photoelectron spectroscopy, ultraviolet photoelectron spectroscopy and ion scattering spectroscopy

C. Oshima, M. Aono, T. Tanaka, S. Kawai, S. Zaima, Y. Shibata

    Research output: Contribution to journalArticle

    87 Citations (Scopus)

    Abstract

    The clean surface of TiC(001) prepared by flash-heating at ~ 1500°C shows a 1 × 1 ordered atomic structure. No gradient of chemical composition exists over the shallow surface region of ~15 Å. The work function of the clean surface is 3.8 ± 0.1 eV at room temperature. The features of oxygen chemisorption are similar to those of noble metals such as Ag and Cu; the average sticking probability is about two order of magnitude less than those of Ti and W metals, and the work-function change is also small. The oxygen atoms are preferentially chemisorbed on the carbon sites at the topmost layer, which is responsible for the small change in work function.

    Original languageEnglish
    Pages (from-to)312-330
    Number of pages19
    JournalSurface Science
    Volume102
    Issue number2-3
    DOIs
    Publication statusPublished - 1981 Jan 2

    Fingerprint

    Ultraviolet photoelectron spectroscopy
    ultraviolet spectroscopy
    ion scattering
    Angle measurement
    Photoelectron spectroscopy
    Chemisorption
    chemisorption
    photoelectron spectroscopy
    Spectroscopy
    Scattering
    Ions
    Oxygen
    X rays
    oxygen
    scattering
    spectroscopy
    x rays
    Precious metals
    noble metals
    atomic structure

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Condensed Matter Physics
    • Surfaces and Interfaces

    Cite this

    Clean TiC(001) surface and oxygen chemisorption studied by work function measurement, angle-resolved X-RAY photoelectron spectroscopy, ultraviolet photoelectron spectroscopy and ion scattering spectroscopy. / Oshima, C.; Aono, M.; Tanaka, T.; Kawai, S.; Zaima, S.; Shibata, Y.

    In: Surface Science, Vol. 102, No. 2-3, 02.01.1981, p. 312-330.

    Research output: Contribution to journalArticle

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    abstract = "The clean surface of TiC(001) prepared by flash-heating at ~ 1500°C shows a 1 × 1 ordered atomic structure. No gradient of chemical composition exists over the shallow surface region of ~15 {\AA}. The work function of the clean surface is 3.8 ± 0.1 eV at room temperature. The features of oxygen chemisorption are similar to those of noble metals such as Ag and Cu; the average sticking probability is about two order of magnitude less than those of Ti and W metals, and the work-function change is also small. The oxygen atoms are preferentially chemisorbed on the carbon sites at the topmost layer, which is responsible for the small change in work function.",
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    AU - Tanaka, T.

    AU - Kawai, S.

    AU - Zaima, S.

    AU - Shibata, Y.

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