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Information × Registration Number 0209U005280, 0108U004774 , R & D reports Title Polyvalent defects in complex oxide crystals with garnet and perovskite-like structure popup.stage_title Head Ubizskii Sergii B., Доктор фізико-математичних наук Registration Date 29-01-2009 Organization Lviv Polytechnic National University popup.description2 The work is dedicated to the determination of peculiarities of the defect states, recharging processes and the mechanisms of charge compensation in bulk crystals and crystalline layers of YAG, YAP and LiNbO3, doped by Cr, Yb, Fe and Mn, during their interaction with oxidized, reduced and inert atmospheres under high-temperature thermochemical treatment. The experimental investigations were carried out by in-situ and ex-situ optical spectroscopy. The theoretical investigations were based on modelling of the quasi-chemical reactions caused by diffusion of the reagents through the surface and the volume of the crystal. Product Description popup.authors popup.nrat_date 2020-04-02 Close