DSC and Raman studies of silver borotellurite glasses

Journal Article · Mon May 23 04:00:00 EDT 2016 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4947868· OSTI ID:22606404

Kaur, Amandeep; Khanna, Atul ^[1]; Gonzàlez, Fernando ^[2]

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1. Sensors and Glass Physics Laboratory, Department of Physics, Guru Nanak Dev University, Amritsar-143005, Punjab (India)
2. Department of Chemistry and Process & Recourse Engineering, University of Cantabria, Santander-39005 (Spain)

Silver borotellurite glasses of composition: xAg{sub 2}O-yB{sub 2}O{sub 3}-(100-x-y)TeO{sub 2} (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 B{sub 2}O{sub 3} 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 B{sub 2}O{sub 3} due to the transformation of TeO{sub 4} into TeO{sub 3} units.

• OSTI ID: 22606404
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1731; ISSN APCPCS; ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BORATES
BORON OXIDES
CALORIMETRY
COORDINATION NUMBER
DENSITY
GLASS
RAMAN SPECTROSCOPY
SILVER OXIDES
TELLURIUM OXIDES
TRANSFORMATIONS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTERBIUM OXIDES