Abstract
Photoconductivity in evaporated films of GexSe1-x glasses (x=0.33 and 0.4) has been investigated as functions of wavelength, chopping frequency and temperature. Contribution of electrons to the photoconductivity may dominate that of holes. When illuminated with a light at the Urbach tail, the photoconductivity may be produced by means of electron excitation assisted by thermal phonons from the tail states to the conduction band. The temperature dependence of the photoconductivity has quite similar features to other chalcogenide glasses.
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Schedule a callMore From: Journal of physics. Condensed matter : an Institute of Physics journal
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