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The optical properties of Bismuth Telluride (Bi2 Te3) and Antimony Telluride (Sb2Te3) thin films grown using pulsed laser deposition (PLD) were investigated. In one set of samples, the two materials were grown, on n-Si substrates, with growth temperatures ranging from 25 to 450°C. In the second set, the films were deposited on microscopic glass slides at 150 °C. The optical properties were studied...
A growing need for eco-friendly energy sources have led recently to a frantic search of new compositional systems for photovoltaic applications. The nanocomposite titania-germanium (TiO2-Ge) systems represent a new viable family of optoelectronic materials. Their structural, optical and electronic properties can be easily tailored by customizing the density and size of Ge dots in the TiO2 matrix....
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