A comparative study of the structure of sodium borophosphates made by sol–gel and melt-quench methods

Qiu, Dong and Martin, Richard A. and Knowles, Jonathan C. and Smith, Mark E. and Newport, Robert J. (2010) A comparative study of the structure of sodium borophosphates made by sol–gel and melt-quench methods. Journal of Non-Crystalline Solids, 356 (9-10). pp. 490-494. ISSN 0022-3093

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Abstract

The atomic scale structure of sodium borophosphates made by the sol–gel method is compared to those made by the melt-quench method. It is found that although the sol–gel generated materials have a higher tendency towards crystallization, they nevertheless show a qualitatively similar crystallization trend with composition to their melt-quench analogues; the progressive introduction of boron oxide into the phosphate network initially inhibits then promotes crystallization. At the composition associated with the most stable amorphous sodium borophosphate (20 mol% boron oxide), it is found that the atomic scale structure of the sol–gel synthesized network glass is almost identical to that of the corresponding melt-quenched one.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Non-Crystalline Solids
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
Departments:
ID Code:
65097
Deposited By:
Deposited On:
07 Jun 2013 09:59
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:31