Abstract

The contribution of free carrier transport processes to the photoacoustic effect in doped AIVBVI compounds was investigated using the photoacoustic (PA) frequency modulated transmission technique as a valuable tool in the study of thermal and carrier transport processes in semiconductors. The PA signals were measured and analyzed as a function of the modulation frequency in a specially constructed PA cell. The multiparametric fitting procedure was used to obtain some thermal and electronic transport parameters of doped and pure AIVBVI compounds.

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