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Title: Calculation of Optical Constants in a-Ge10Se90-xTex (x = 0,30, 40) Thin Films
Authors: Sharma, Pankaj
Katyal, S. C.
Keywords: Chalcogenide glasses
Optical properties
Optical band gap
Defect states
Average bond energy
Issue Date: 2004
Publisher: Jaypee University of Information Technology, Solan, H.P.
Abstract: Thin films of a-Ge10Se90-xTex (x = 0, 30, 40) glassy alloys are prepared by vacuum evaporation technique at ~10-5 Torr on cleaned glass substrate at room temperature. Optical study is performed to calculate the refractive index (n), extinction coefficient (k), optical conductivity (σ), dielectric constant (real and imaginary), absorption coefficient (α) and optical band gap ( opt g E ) using transmission spectra in the wavelength range 400-1400 nm.
Description: JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS Vol. 9, No. 7, July 2007, p. 2000 - 2004
Appears in Collections:Journal Articles

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