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Temperature dependence of dark conductivity and photoconductivity has been studied in amorphous thin films of Se 85 Te 15−x Pb x (2<x<6) at low temperatures (219–300 K). We have observed that, at quite low temperatures, a maximum is found at a particular temperature in dark conductivity and photoconductivity measurements as a function of temperature. The position of this...
The present paper reports the d.c. conductivity measurements at high electric fields in vacuum evaporated thin films of amorphous Se 80−x Te 20 Cd x (x=0, 5, 10, 15) systems. Current–voltage (I–V) characteristics have been measured at various fixed temperatures. In all the samples, at low electric fields ohmic behavior is observed. However, at high electric fields (E∼10 ...
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