X-ray photoemission spectroscopic study of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition

Shinya Ohmagari, Tsuyoshi Yoshitake, Akira Nagano, Ryota Ohtani, Hiroyuki Setoyama, Eiichi Kobayashi, Kunihito Nagayama

    研究成果: ジャーナルへの寄稿記事

    16 引用 (Scopus)

    抄録

    Chemical bonding configurations of ultrananocrystalline diamond (UNCD)/hydrogenated amorphous carbon (a-C:H) composite films prepared by pulsed laser ablation of graphite were investigated by X-ray photoemission spectroscopy using synchrotron radiation. The spectra were decomposed using a Voigt function after the backgrounds were subtracted by Shirley's method. A narrow full-width half-maximum of the sp3 peak is specific, which might be attributed to existence of a large number of UNCD crystallites in the film. The width was immediately broadened by an argon ion bombardment. Its value became equivalent to that of the a-C:H film after the ion bombardment in the same manner. This implies that UNCD crystallites were easily damaged and destroyed by the ion bombardment.

    元の言語英語
    ページ(範囲)911-913
    ページ数3
    ジャーナルDiamond and Related Materials
    19
    発行部数7-9
    DOI
    出版物ステータス出版済み - 7 1 2010

    Fingerprint

    Diamond
    Carbon films
    Amorphous carbon
    Photoemission
    Composite films
    Pulsed laser deposition
    Ion bombardment
    pulsed laser deposition
    bombardment
    Diamonds
    photoelectric emission
    diamonds
    Crystallites
    X rays
    crystallites
    composite materials
    carbon
    ions
    x rays
    Graphite

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Chemistry(all)
    • Mechanical Engineering
    • Physics and Astronomy(all)
    • Materials Chemistry
    • Electrical and Electronic Engineering

    これを引用

    X-ray photoemission spectroscopic study of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition. / Ohmagari, Shinya; Yoshitake, Tsuyoshi; Nagano, Akira; Ohtani, Ryota; Setoyama, Hiroyuki; Kobayashi, Eiichi; Nagayama, Kunihito.

    :: Diamond and Related Materials, 巻 19, 番号 7-9, 01.07.2010, p. 911-913.

    研究成果: ジャーナルへの寄稿記事

    Ohmagari, Shinya ; Yoshitake, Tsuyoshi ; Nagano, Akira ; Ohtani, Ryota ; Setoyama, Hiroyuki ; Kobayashi, Eiichi ; Nagayama, Kunihito. / X-ray photoemission spectroscopic study of ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition. :: Diamond and Related Materials. 2010 ; 巻 19, 番号 7-9. pp. 911-913.
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    abstract = "Chemical bonding configurations of ultrananocrystalline diamond (UNCD)/hydrogenated amorphous carbon (a-C:H) composite films prepared by pulsed laser ablation of graphite were investigated by X-ray photoemission spectroscopy using synchrotron radiation. The spectra were decomposed using a Voigt function after the backgrounds were subtracted by Shirley's method. A narrow full-width half-maximum of the sp3 peak is specific, which might be attributed to existence of a large number of UNCD crystallites in the film. The width was immediately broadened by an argon ion bombardment. Its value became equivalent to that of the a-C:H film after the ion bombardment in the same manner. This implies that UNCD crystallites were easily damaged and destroyed by the ion bombardment.",
    author = "Shinya Ohmagari and Tsuyoshi Yoshitake and Akira Nagano and Ryota Ohtani and Hiroyuki Setoyama and Eiichi Kobayashi and Kunihito Nagayama",
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    AU - Ohmagari, Shinya

    AU - Yoshitake, Tsuyoshi

    AU - Nagano, Akira

    AU - Ohtani, Ryota

    AU - Setoyama, Hiroyuki

    AU - Kobayashi, Eiichi

    AU - Nagayama, Kunihito

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    AB - Chemical bonding configurations of ultrananocrystalline diamond (UNCD)/hydrogenated amorphous carbon (a-C:H) composite films prepared by pulsed laser ablation of graphite were investigated by X-ray photoemission spectroscopy using synchrotron radiation. The spectra were decomposed using a Voigt function after the backgrounds were subtracted by Shirley's method. A narrow full-width half-maximum of the sp3 peak is specific, which might be attributed to existence of a large number of UNCD crystallites in the film. The width was immediately broadened by an argon ion bombardment. Its value became equivalent to that of the a-C:H film after the ion bombardment in the same manner. This implies that UNCD crystallites were easily damaged and destroyed by the ion bombardment.

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