29Si magic-angle-spinning nuclear-magnetic-resonance study of spinel-type Si3N4

T. Sekine, M. Tansho, M. Kanzaki

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    30 Citations (Scopus)


    29Si magic-angle-spinning nuclear-magnetic resonance has been measured on spinel-type cubic silicon nitride (c-Si3N4). c-Si3N4 shows two 29Si resonances at -50.0±0.2 and -225.0 ±0.2 ppm, corresponding to the tetrahedron SN4 and the octahedron SiN6, respectively. Integration of the spectrum gives SN4/SiN6 about one half that of the spinel structure. Ab initio self-consistent field Hartree-Fock molecular orbital calculations also indicate that the chemical shift for octahedral Si is more negative in nitride than in oxides.

    Original languageEnglish
    Pages (from-to)3050-3051
    Number of pages2
    JournalApplied Physics Letters
    Issue number20
    Publication statusPublished - May 14 2001

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)


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