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Compositional effects on the optical and thermal properties of sodium borophosphate glasses

Compositional effects on the optical and thermal properties of sodium borophosphate glasses
Compositional effects on the optical and thermal properties of sodium borophosphate glasses
A series of sodium borophosphate glasses of the composition (1-x)NaPO3-xB2O3 have been synthesised from Na2CO3, B2O3 and P2O5 and their optical and thermal properties investigated. The results show that refractive index (n) and glass transition temperature (Tg) show a maximum at about B/(B+P)=0.6 while thermal expansion coefficient (alpha) and thermo-optic coefficient (dn/dT) change monotonically with the B/(B+P) ratio. These observations can be interpreted based on the incorporation of BO3 and BO4 units into the glass structural network.
glasses, optical properties, thermal expansion
0022-3697
47-51
Lee, E.T.Y.
f47c6d5d-2d1f-4f03-a3ff-03658812d80b
Taylor, E.R.M.
cc92e3b4-87b4-42dd-ae10-4c6a4a849d71
Lee, E.T.Y.
f47c6d5d-2d1f-4f03-a3ff-03658812d80b
Taylor, E.R.M.
cc92e3b4-87b4-42dd-ae10-4c6a4a849d71

Lee, E.T.Y. and Taylor, E.R.M. (2005) Compositional effects on the optical and thermal properties of sodium borophosphate glasses. Journal of Physics and Chemistry of Solids, 66 (1), 47-51. (doi:10.1016/j.jpcs.2004.08.030).

Record type: Article

Abstract

A series of sodium borophosphate glasses of the composition (1-x)NaPO3-xB2O3 have been synthesised from Na2CO3, B2O3 and P2O5 and their optical and thermal properties investigated. The results show that refractive index (n) and glass transition temperature (Tg) show a maximum at about B/(B+P)=0.6 while thermal expansion coefficient (alpha) and thermo-optic coefficient (dn/dT) change monotonically with the B/(B+P) ratio. These observations can be interpreted based on the incorporation of BO3 and BO4 units into the glass structural network.

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More information

Published date: 2005
Additional Information: 2781
Keywords: glasses, optical properties, thermal expansion

Identifiers

Local EPrints ID: 21017
URI: https://eprints.soton.ac.uk/id/eprint/21017
ISSN: 0022-3697
PURE UUID: 99c40de7-f6be-4e65-9dc9-df16dbf3a108

Catalogue record

Date deposited: 07 Mar 2006
Last modified: 15 Jul 2019 19:24

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