Abstract
Current/voltage (CV) characteristics of solid solutions Pb1−xSnxTe〈ln〉 (with D. 22≤x≤3. 24 and 0.2≤NIn≤1.0 atomic percent) were studied at He temperatures, in presence of background at 300K. Also the photoconductivity of these materials was measured in conditions of background screening and illumination at wavelengths 100µm and 2mm. CV-characteristics are interpreted within a model of two-electron capturing by Jahn-Teller centers. Photoconductivity in millimeter and submillimeter wavebands, having relaxation times less than 10−5 sec, is related with heating of electronic gas in process of electromagnetic power absorption by the free carriers.
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