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Calorimetric studies on 2TeO2–V2O5 glasses

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Abstract

Glasses of the composition 2TeO2–V2O5 were fabricated via the conventional melt-quenching technique. The amorphous and the glassy nature of the as-quenched samples were confirmed by X-ray powder diffraction (XRD) and differential scanning calorimetry (DSC), respectively. The glass transition and crystallization parameters were evaluated under non-isothermal conditions using DSC. X-ray diffraction studies confirmed the presence of partially oriented crystallites in the heat-treated glasses. Kauzmann temperature (lower bound for the kinetically observed glass transition) was deduced from the heating rate dependent glass transition and crystallization temperatures.

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Authors and Affiliations

  1. Materials Research Centre, Indian Institute of Science, Bangalore, 560 012, India

    M. Niyaz Ahamad, Rahul Vaish & K. B. R. Varma

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  1. M. Niyaz Ahamad
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  2. Rahul Vaish
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  3. K. B. R. Varma
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Correspondence to K. B. R. Varma.

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Niyaz Ahamad, M., Vaish, R. & Varma, K.B.R. Calorimetric studies on 2TeO2–V2O5 glasses. J Therm Anal Calorim 105, 239–243 (2011). https://doi.org/10.1007/s10973-011-1305-3

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  • DOI: https://doi.org/10.1007/s10973-011-1305-3

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