Abstract:The paper presents the results of a study of the photoconductivity of p+−p−p− structures of CdxHg1–xTe (0.24 ≤ x ≤ 0.29) single crystals obtained by thermal diffusion of copper at T = 130°C. The long-term relaxation (LR) of photoconductivity with a duration of up to 10 ms in the presence of a thermal background of intensity Φ = 1016−1017 cm−2·s−1 is observed for the first time in narrow-gap materials in the T = 77–150 K range. Recombination, diffusion-drift processes in the sample are analyzed, which cause LR … Show more
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