DSC and Raman studies of silver borotellurite glasses

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URI: http://hdl.handle.net/10902/9429
ISSN: 0094-243X
ISSN: 1551-7616
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Author
Kaur, Amandeep; Khanna, Atul; González Martínez, FernandoAutoridad Unican
Date
2016-05
Derechos
This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. The following article appeared in AIP Conference Proceedings 1731, 070036 (2016) and may be found at http://dx.doi.org/10.1063/1.4947868
Publicado en
AIP Conference Proceedings, 2016, 1731, 070036
60th DAE Solid State Physics Symposium, Uttar Pradesh, India, 2015
Publisher
American Institute of Physics
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Palabras clave
Borotellurite glasses
X-ray diffraction
Differential scanning calorimetry
Raman spectroscopy
Abstract:
Silver borotellurite glasses of composition: xAg2O-yB2O3-(100-x-y)TeO2 (x=20-mol%, y = 0, 10, 20 and 30-mol%) were prepared and characterized by density, X-ray diffraction (XRD), differential scanning calorimetry, and Raman spectroscopy. XRD confirmed the amorphous structure of all samples. Density of glasses decreases while the glass transition temperature increases with increase in B2O3 content from 10 to 30-mol%. Raman study shows that coordination number of Te with oxygen decreases steadily from 3.42 to 3.18 on adding B2O3 due to the transformation of TeO4 into TeO3 units.
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