11B-NMR study in boron-doped diamond films

H. Mukuda, T. Tsuchida, A. Harada, Y. Kitaoka, T. Takenouchi, Y. Takano, M. Nagao, I. Sakaguchi, Hiroshi Kawarada

    Research output: Contribution to journalArticle

    15 Citations (Scopus)

    Abstract

    We have investigated an origin of the superconductivity discovered in boron (B)-doped diamonds by means of 11B-NMR on heteroepitaxially grown (1 1 1) and (1 0 0) films and polycrystalline film. The characteristic difference of B-NMR spectral shape for the (1 1 1) and (1 0 0) thin films is demonstrated as arising from the difference in the concentration (nB (1)) of boron substituted for carbon. It is revealed from a scaling between a superconducting transition temperature Tc and nB (1) that the holes doped into diamond via the substitution of boron for carbon are responsible for the onset of superconductivity. The result suggests that the superconductivity in boron-doped diamond is mediated by the electron-phonon interaction brought about a high Debye temperature ∼ 1860 K characteristic for the diamond structure.

    Original languageEnglish
    Pages (from-to)37-40
    Number of pages4
    JournalScience and Technology of Advanced Materials
    Volume7
    Issue numberSUPPL. 1
    DOIs
    Publication statusPublished - 2006

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    Diamond
    Boron
    Diamond films
    Diamonds
    Superconductivity
    Nuclear magnetic resonance
    Carbon
    Debye temperature
    Electron-phonon interactions
    Superconducting transition temperature
    Substitution reactions
    Thin films

    ASJC Scopus subject areas

    • Materials Science(all)

    Cite this

    Mukuda, H., Tsuchida, T., Harada, A., Kitaoka, Y., Takenouchi, T., Takano, Y., ... Kawarada, H. (2006). 11B-NMR study in boron-doped diamond films. Science and Technology of Advanced Materials, 7(SUPPL. 1), 37-40. https://doi.org/10.1016/j.stam.2006.03.010

    11B-NMR study in boron-doped diamond films. / Mukuda, H.; Tsuchida, T.; Harada, A.; Kitaoka, Y.; Takenouchi, T.; Takano, Y.; Nagao, M.; Sakaguchi, I.; Kawarada, Hiroshi.

    In: Science and Technology of Advanced Materials, Vol. 7, No. SUPPL. 1, 2006, p. 37-40.

    Research output: Contribution to journalArticle

    Mukuda, H, Tsuchida, T, Harada, A, Kitaoka, Y, Takenouchi, T, Takano, Y, Nagao, M, Sakaguchi, I & Kawarada, H 2006, '11B-NMR study in boron-doped diamond films', Science and Technology of Advanced Materials, vol. 7, no. SUPPL. 1, pp. 37-40. https://doi.org/10.1016/j.stam.2006.03.010
    Mukuda H, Tsuchida T, Harada A, Kitaoka Y, Takenouchi T, Takano Y et al. 11B-NMR study in boron-doped diamond films. Science and Technology of Advanced Materials. 2006;7(SUPPL. 1):37-40. https://doi.org/10.1016/j.stam.2006.03.010
    Mukuda, H. ; Tsuchida, T. ; Harada, A. ; Kitaoka, Y. ; Takenouchi, T. ; Takano, Y. ; Nagao, M. ; Sakaguchi, I. ; Kawarada, Hiroshi. / 11B-NMR study in boron-doped diamond films. In: Science and Technology of Advanced Materials. 2006 ; Vol. 7, No. SUPPL. 1. pp. 37-40.
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    AU - Mukuda, H.

    AU - Tsuchida, T.

    AU - Harada, A.

    AU - Kitaoka, Y.

    AU - Takenouchi, T.

    AU - Takano, Y.

    AU - Nagao, M.

    AU - Sakaguchi, I.

    AU - Kawarada, Hiroshi

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