Influence of K, Mg and Fe impurities on the composition, absorption spectra and photovoltaic properties of LiNbO3 crystals
V. T. Gabrielyan, E. L. Lebedeva, A. L. Pirozerski, S. A. Normatov
Abstract
Photovoltaic response and optical spectra of lithium niobate crystals (LN) grown from K2O-containing melt and/or doped with Mg and Fe have been studied. It has been found that growing of LN crystals at the presence of K2O-flux, Mg-doping and increasing of Li/Nb ratio have influence on the physical properties of the crystals, which evidences approaching of the composition of these crystals to the stoichiometric one.
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