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Title: Preparation and characterization of boro-tellurite glasses

Glass samples of the system: xB{sub 2}O{sub 3}−(100−x) TeO{sub 2}; x= 15, 20, 25 and 30 mol% were prepared by melt quenching and characterized by X-ray diffraction, density measurements, Differential Scanning Calorimetry and FTIR spectroscopy. XRD confirmed the amorphous structure of all samples. Density of glasses decreased with increase in B{sub 2}O{sub 3} concentration due to the replacement of heavier TeO{sub 2} with lighter B{sub 2}O{sub 3} whereas the glass transition temperature increased from 339°C to 366°C; the later effect was due to increase in the concentration of stronger B-O bonds in the glass network. FTIR studies found that BO{sub 4} units convert into BO{sub 3} with the addition of B{sub 2}O{sub 3}.
Authors:
;  [1] ;  [2]
  1. Glass Physics and Sensors Laboratory, Department of Physics, Guru Nanak Dev University, Amritsar-143005, Punjab (India)
  2. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai-400085, Maharashtra (India)
Publication Date:
OSTI Identifier:
22271314
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1591; Journal Issue: 1; Conference: 58. DAE solid state physics symposium 2013, Patiala, Punjab (India), 17-21 Dec 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; ABSORPTION SPECTROSCOPY; AMORPHOUS STATE; BORON OXIDES; CALORIMETRY; CONCENTRATION RATIO; DENSITY; DIFFERENTIAL THERMAL ANALYSIS; FOURIER TRANSFORMATION; GLASS; INFRARED SPECTRA; QUENCHING; TELLURIUM OXIDES; TRANSITION TEMPERATURE; X-RAY DIFFRACTION