Synthesis and NMR studies of O-17 enriched AM(2)O(8) phases

Hampson, M.R.; Allen, S.; King, I.J.; Crossland, C.J.; Hodgkinson, P.; Harris, R.K.; Fayon, F.; Evans, J.S.O.

Abstract

This paper describes synthetic routes to produce highly O-17 enriched samples of the negative thermal expansion materials ZrW2O8 and ZrMo2O8. In the case of ZrW2O8 enriched samples can be produced either via enriched Zr-17 O-2 and (WO3)-O-17, which have themselves been characterised by both X-ray diffraction and solid state O-17 NMR, or via the hydrated material ZrW2O8-xH(2) O-17. In the case of ZrMo2O8 energy dispersive in-situ diffraction experiments have shown that cubic ZrMo2O8 can be directly hydrated to form an enriched sample of ZrMo2O7(OH)(2)-2H2O which can subsequently be transformed back to enriched cubic ZrMo2O8. O-17 NMR data of enriched ZrW2O8 materials are reported. (c) 2005 Elsevier SAS. All rights reserved.

Citation

Hampson, M., Allen, S., King, I., Crossland, C., Hodgkinson, P., Harris, R., …Evans, J. (2005). Synthesis and NMR studies of O-17 enriched AM(2)O(8) phases. Solid State Sciences, 7(7), 819-826

• Journal Article Type: Article
• Publication Date: 2005-07
• Journal: Solid State Sciences
• Print ISSN: 1293-2558
• Publisher: Elsevier
• Peer Reviewed: Peer Reviewed
• Volume: 7
• Issue: 7
• Pages: 819-826