Abstract

The energy gap and its temperature coefficient are calculated depending on the concentration of defects in silver telluride with a Te and Ag excess. On the basis of the obtained data, the correlation between the charge-carrier energy spectrum and the silver-telluride defectness is analyzed. It is established that the correlation is a reflection of more general fundamental relations between the energy structure and the defect concentration in Ag2Te caused by ions and vacancies of silver atoms in the sublattice.

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