Abstract

The single crystals of acousto-optic Pb2MoO5 were grown by the Czochralski technique from a charge of stoichiometric composition and with an excess of lead oxide. Optical transmission spectra of these crystals were measured in the visible wavelength range. The effect of the heat treatment in air and in vacuum was considered. Changes in the valence state of a part of Mo6+ ions to Mo5+ and possible microinclusions of foreign phases are supposed to be responsible for the decrease in the optical transmission of crystals obtained from the charge with PbO excess.

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