Abstract
Undoped and Nd3+ doped lutetium niobate phases have been prepared by a conventional solid state reaction method using lutetium acetate and niobium oxide at 1250 °C for 6 h. X-ray diffraction patterns of the 6 mol% Lu3NbO7 sample exhibited a cubic fluorite single phase. Phase structure exhibited interesting crystallization behaviour depending on increasing Nd3+ concentration which led to a Lu3NbO7 single phase formation during the heat treatment process. SEM investigations were also in agreement with the XRD results. Morphologies of Nd3+ doped lutetium niobate powders exhibited oval like shapes and grain sizes varied between 0.3 and 5 μm. Near-infrared luminescence properties of Nd3+ doped Lu3NbO7 were also studied. 1.06 μm laser transition characteristics of Nd3+ doped lutetium niobate have been observed. Concentration quenching phenomenon was not detected depending on increasing Nd3+ doping concentrations at room temperature.
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İlhan, M., Ekmekçi, M.K., Oraltay, R.G. et al. Structural and Near-Infrared Properties of Nd3+ Activated Lu3NbO7 Phosphor. J Fluoresc 27, 199–203 (2017). https://doi.org/10.1007/s10895-016-1946-5
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DOI: https://doi.org/10.1007/s10895-016-1946-5