Optic properties of niobium-phosphate glasses containing lithium, sodium, and potassium oxides

Optic properties of niobium-phosphate glasses containing lithium, sodium, and potassium oxides The dependence of the optic properties of niobium-phosphate glasses containing alkali metal oxides on their composition and structural features is investigated. Along with the increase of the niobium oxide content, a shift of the optic absorption boundary to the long-wavelength range and a substantial increase of the refraction index (from 1.50 to 1.73) are observed. The increase of the alkali metal mass results in the decrease of the refraction index and a shift to the short-wavelength range. The correlation between the length of polyphosphate groups and the type of alkali oxide is registered: the chain length increases from lithium to potassium. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Glass Physics and Chemistry Springer Journals

Optic properties of niobium-phosphate glasses containing lithium, sodium, and potassium oxides

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Publisher
Pleiades Publishing
Copyright
Copyright © 2017 by Pleiades Publishing, Ltd.
Subject
Materials Science; Ceramics, Glass, Composites, Natural Materials; Characterization and Evaluation of Materials; Materials Science, general; Physical Chemistry
ISSN
1087-6596
eISSN
1608-313X
D.O.I.
10.1134/S1087659617040095
Publisher site
See Article on Publisher Site

Abstract

The dependence of the optic properties of niobium-phosphate glasses containing alkali metal oxides on their composition and structural features is investigated. Along with the increase of the niobium oxide content, a shift of the optic absorption boundary to the long-wavelength range and a substantial increase of the refraction index (from 1.50 to 1.73) are observed. The increase of the alkali metal mass results in the decrease of the refraction index and a shift to the short-wavelength range. The correlation between the length of polyphosphate groups and the type of alkali oxide is registered: the chain length increases from lithium to potassium.

Journal

Glass Physics and ChemistrySpringer Journals

Published: Aug 24, 2017

References

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