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Optical properties of SE-Te-Sb amorphous chalcogenide semiconductors using diffuse reflectance spectroscopy

Fernandes, BJ and Murahari, P and Chahal, S and Ramesh, K (2020) Optical properties of SE-Te-Sb amorphous chalcogenide semiconductors using diffuse reflectance spectroscopy. In: AIP Conference Proceedings, 18-22 December 2019, Indian Institute of Technology (IIT), Rajasthan; India.

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Official URL: https://dx.doi.org/10.1063/5.0016640

Abstract

In this report, we investigate the optical properties of Se60-xTe40Sbx (0 � x � 12) chalcogenide glassy semiconductors using Diffuse Reflectance Spectroscopy (DRS) technique. From the reflectance spectrum, absorption coefficient of the material is derived usingKubelka - Munk function. In addition to this,the optical band gap of the material is calculated. Optical constants namely, extinction coefficient (k) and refractive index (n) are determined. Furthermore, other optical parameters such as optical conductivity, electrical conductivity, electrical susceptibility and velocity of light in the sample are calculated based on the relevant statistical formulae. Conclusively, coordinated concept of the material response to the irradiation of light is studied. © 2020 American Institute of Physics Inc.. All rights reserved.

Item Type: Conference Paper
Publication: AIP Conference Proceedings
Publisher: American Institute of Physics Inc.
Additional Information: cited By 0; Conference of 64th DAE Solid State Physics Symposium 2019, DAE-SSPS 2019 ; Conference Date: 18 December 2019 Through 22 December 2019; Conference Code:164824
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 Jan 2021 09:55
Last Modified: 19 Jan 2021 09:55
URI: http://eprints.iisc.ac.in/id/eprint/67181

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