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17 O NMR investigation of hafnia and ternary hafnium oxides

Bastow, Timothy J., Smith, Mark E., Whitfield, Harold J. (1996) 17 O NMR investigation of hafnia and ternary hafnium oxides. Journal of Materials Chemistry, 6 (12). pp. 1951-1955. ISSN 0959-9428. (doi:10.1039/JM9960601951) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:18808)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided.
Official URL:
http://dx.doi.org/10.1039/JM9960601951

Abstract

Structural evolution in alkoxide-derived amorphous HfO2 gels is followed by O-17 magic angle spinning (MAS) NMR in O-17-enriched samples, with crystallisation being identified readily at 500 degrees C. A series of O-17-enriched alkali-metal and alkaline-earth-metal hafnates with sodium chloride- and perovskite-related structures are also examined by O-17 MAS NMR spectroscopy. The number of oxygen resonances is related to the crystal structure. Comparison of O-17 NMR data is made to isostructural zircodium-containing compounds with the isotropic chemical shifts (Hf/Zr) in the ratio 0.86+/-0.02. O-17 NMR data are also presented from HfO2-SiO2 and HfO2-GeO2 gel mixtures.

Item Type: Article
DOI/Identification number: 10.1039/JM9960601951
Subjects: Q Science > QD Chemistry
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: M.A. Ziai
Date Deposited: 16 May 2009 15:24 UTC
Last Modified: 16 Nov 2021 09:57 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/18808 (The current URI for this page, for reference purposes)

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