Abstract

Spectral measurements over the wavelength range of 400–800 nm on As2S3, As2Se3, and GeSe2, measurements on a tuned structure of As2S3, and exact calculations on a multifilm structure support the recent suggestion that the photons relevant to the photodissolution of Ag are absorbed in the Ag and not in the chalcogenide. The observed spectral dependence may be fitted by an internal photoemission model.

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