A Study of the Effectiveness of Tin on the Thermal Conductivity Coefficient and Electrical Resistance of Se60Te40-xSnx Chalcogenide Glass

Authors

Nawal H. Khudhair Department of Phesics , College of Education for Pure Sciences, Ibn Al – Haitham, University of Baghdad,Baghdad, Iraq.
Kareem A. Jasim Department of Phesics , College of Education for Pure Sciences, Ibn Al – Haitham, University of Baghdad, Baghdad, Iraq.

DOI:

https://doi.org/10.30526/36.1.2892

Keywords:

Keywords: Partial replacement, Thermal conductivity coefficient, thermal insulation ability, chalcogenide glasses, concentration of tin.

Abstract

This research calculated the effect of partial replacement of Trillium with tin by weight ratios x=0, 5, 10, 15, and 20 of the weight of manufactured samples on the thermal conductivity coefficient of Se60Te40-xSnx chalcogenide glasses. The thermal conductivity coefficient of the samples was calculated using a disk- Lee. The results showed that increasing the concentration of tin improves the thermal insulation ability by decreasing the thermal conductivity value and then determining the optimal weight ratios at which a large thermal insulation is obtained.

The electrical resistivity as a function of temperature was studied. The electrical resistivity (r_d.c) was calculated as a function of temperature for all samples, using two-point probe techniques in the dark electrical resistivity measurements of Se₆₀Te_40-xSn_x glasses for all values made in the temperature range 303-455 K. The electrical resistivity was found that it depends on the change in Tin addition, the temperature is clearly affected by the increase in the concentration of tin in the alloy. The electrical resistance increases when the concentration of Tin increase of Se₆₀Te_40-xSn_x

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