Abstract
The wavelength modulated photoresponse measurement in a metal-semiconductor Schottky barrier is demonstrated as a new tool of modulation spectroscopy, available at low temperatures and covering a wide spectral region. Experimental results on the direct and indirect excitons of GaP and their analysis are presented, as compared with the differential absorption spectra of bulk GaP. We also discuss the possibility of the quantitative analysis of the differential absorption spectra.
Published Version
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