α‐In2Te3, ß‐In2Te3, and Ga2Te3 crystals doped with iron or tin are studied. Both, iron and tin are found in divalent states in ß‐In2Te3 and Ga2Te3 by Mössbauer spectroscopy. Their electrical inactivity is explained by a compensation effect of In+ or Ga+ ions which pins the Fermi level to the middle of the energy gap. In α‐In2Te3 doped with iron or tin some impurity enriched regions which results in an additional conductivity at low temperature are found.
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