Abstract
The issue of modelling of point defect structure in In(Ga)-doped CdTe crystals has been analyzed. Contrary to previous papers, it has been shown that high-temperature point defect equilibrium modelling can be successfully achieved if sufficient experimental data are available and appropriate calculation methods are used. Room temperature free electron densities were computed for CdTe:In crystals and compared with experimental data. Since the density of point defects changes during cooling from the preparation to operational temperatures, it cannot be estimated. Therefore, a new approach, including calculation of a certain fitting Δ parameter, is proposed. Its determination allows preparation/cooling conditions necessary to prepare material with the desired electric properties to be defined.
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