Abstract—
A LiNbO3:Zn (4.69 mol % ZnO) crystal grown from a charge synthesized using homogeneously doped Nb2O5 as a precursor has been shown to contain less luminescence centers in comparison with a LiNbO3:Zn (4.60 mol % ZnO) crystal prepared via direct doping. In the case of LiNbO3:Zn crystals prepared via direct doping, the intensity of all luminescence bands varies monotonically as the ZnO concentration is raised to 4.60 mol %. At a ZnO concentration of ~4.60 mol %, the intensity of all the bands changes sharply, suggesting that the system of luminescence centers in the material undergoes structural changes.
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ACKNOWLEDGMENTS
We are grateful to V.B. Pikulev for his assistance in designing the physical experiments and for useful discussions of the experimental data.
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Sidorov, N.V., Smirnov, M.V. & Palatnikov, M.N. Luminescence of LiNbO3:Zn (0.03–5.50 mol % ZnO) Crystals of Different Origins. Inorg Mater 56, 605–611 (2020). https://doi.org/10.1134/S0020168520060126
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DOI: https://doi.org/10.1134/S0020168520060126