Abstract

A method for measuring the internal photoeffect quantum yield in various semiconductors is described. It is based on the fact that the dependence of the charge-carrier separation coefficient at a p-n junction on the wavelength of incident radiation in the proposed structure is constant in a wide range of short wavelengths. The results of measurements of the spectral sensitivity at two wavelengths, one of which is chosen in a region where the quantum yield is a priori equal to unity, is calculated for the second wavelength.

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