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Thermal characterization of Ge–As–Se glasses by differential scanning calorimetry

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Abstract

Differential scanning calorimetry (DSC) was performed at different heating rates under non-isothermal conditions to probe the glass transition kinetics of several Ge–As–Se glasses with different chemical compositions. The change of the glass transition temperature T g with the heating rate and composition was investigated and the activation energy of the glass transition was estimated. The fragility index was calculated and the correlation to the mean coordination number of Ge–As–Se glasses was discussed.

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Acknowledgment

This research was supported by Australian Research Council through its Centre of Excellence, Discovery and Federation Fellow Programs.

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Authors and Affiliations

  1. Centre for Ultrahigh Bandwidth Device for Optical System (CUDOS), Laser Physics Centre, Research School of Physical Science and Engineering, Australian National University, Canberra, ACT 0200, Australia

    R. P. Wang, C. J. Zha, A. V. Rode, S. J. Madden & B. Luther-Davies

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  1. R. P. Wang
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  2. C. J. Zha
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  3. A. V. Rode
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  4. S. J. Madden
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  5. B. Luther-Davies
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Correspondence to R. P. Wang.

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Wang, R.P., Zha, C.J., Rode, A.V. et al. Thermal characterization of Ge–As–Se glasses by differential scanning calorimetry. J Mater Sci: Mater Electron 18 (Suppl 1), 419–422 (2007). https://doi.org/10.1007/s10854-007-9229-1

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  • DOI: https://doi.org/10.1007/s10854-007-9229-1

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