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

T. Sekine; M. Tansho; M. Kanzaki

doi:10.1063/1.1372199

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

T. Sekine, M. Tansho, M. Kanzaki

Institute for Planetary Materials

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

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 language	English
Pages (from-to)	3050-3051
Number of pages	2
Journal	Applied Physics Letters
Volume	78
Issue number	20
DOIs	https://doi.org/10.1063/1.1372199
Publication status	Published - May 14 2001

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "29Si magic-angle-spinning nuclear-magnetic-resonance study of spinel-type Si3N4",

abstract = "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.",

author = "T. Sekine and M. Tansho and M. Kanzaki",

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AU - Sekine, T.

AU - Tansho, M.

AU - Kanzaki, M.

PY - 2001/5/14

Y1 - 2001/5/14

N2 - 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.

AB - 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.

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JF - Applied Physics Letters

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ER -

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

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