Abstract
Experimental and theoretical studies have been made of electron transport and hot electron effects in PbTe and Pb 1−xSn xTe as a function of alloy composition. Pulsed measurements of the current-voltage characteristics, Hall effect, and the potential distribution were made on epitaxial samples. Current instabilities and high field domain formation were observed. Monte-Carlo calculations of the velocity-field characteristic including the scattering into conduction band W valleys were performed. Reasonable agreement was obtained for the threshold field dependence on alloy composition.
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