The Use of Solid State NMR in Structural Studies of AlON Spinel

Abstract

Abstract: 27AlMAS NMR was used on structural studies of AlON spinel. The results suggested that NMR can offer more accurate information about microstructure and coordination when X-ray diffraction display the same spectra. The ²⁷AlMAS NMR spectra of the samples of γ-AlON spinel crystal with different composition were acquired. The results confirmed that AlN₄, AlO₄ and AlO₆structures exist in AlON spinel. The number of the nitrogen atoms that substitute oxygen atoms and enter into anion positions increases with the content of nitrogen increasing. However, the substitution has no influence on the structure of the crystal, thus no influence on the X-ray diffraction spectra.

Key words: AlON spinel, Microstructure, NMR

CLC Number:

O641.13

TrendMD:

REN Hai-Lan, YUE Yong, YE Chao-Hui, DAI Ying, NAN Ce-Wen . The Use of Solid State NMR in Structural Studies of AlON Spinel[J]. Chem. J. Chinese Universities, 1999, 20(2): 297.

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The Use of Solid State NMR in Structural Studies of AlON Spinel

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