Journal of Materials Science

, Volume 47, Issue 9, pp 3949–3952 | Cite as

Simultaneous measurements of thermal conductivity and thermal diffusivity of Se90−x Te5Sn5In x (x = 0, 3, 6, and 9) multi-component chalcogenide glasses

  • Sunil Kumar
  • Kedar Singh


Measurements of thermal conductivity and thermal diffusivity of twin pellets of Se90−x Te5Sn5In x (x = 0, 3, 6, and 9) chalcogenide glasses were carried out at room temperature using transient plane source technique. The measured values of thermal conductivity and thermal diffusivity were used to determine the specific heat per unit volume of these glasses in the composition range of investigation. Results indicated that both values of thermal conductivity and thermal diffusivity were increased with addition of indium concentration at the cost of selenium, whereas the specific heat per unit volume was slightly decreases with increase of indium content. This compositional dependence behavior of the thermal conductivity and diffusivity can be explained in terms of the iono-covalent type of bonds, which In (indium) makes with Se as it is incorporated in the Se–Te–Sn glass.


Thermal Diffusivity Chalcogenide Glass SnSe2 Thermal Transport Property Transient Plane Source 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors are thankful to University Grant Commission, New Delhi for provide financial assistance for thermal constant analyzer under UGC Networking Scheme. The authors also wish to thank CSIR, New Delhi, for providing financial assistance under the project grant CSIR Proj. 01(2456)/11/AMR-II.


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© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Department of Physics, Faculty of ScienceBanaras Hindu UniversityVaranasiIndia

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