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The chalcogenide thin films belongs to a special category of important materials due to the unique IR transparency and light induced linear and non linear optical properties change. The optical band gap tuning in thermally evaporated As40Se53Sb07 chalcogenide thin film is being probed under the influence of 532 nm laser illumination. The gradual decrease in transmission and red shift of optical absorption...
The present study reports the effect of Sb deposition onto As2Se3 film and its subsequent photo diffusion into As2Se3 matrix by 532nm laser. The bilayer Sb/As2Se3 contains Sb as active, optical absorbing and diffusing layer and As2Se3 as barrier layer. The chemical composition and amorphous nature of the as-prepared thin films were examined by energy dispersive X-ray analysis and X-ray diffraction...
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