Abstract
We investigate the crystallinity and the optical properties of pure and Sm3+-doped 15K2O-15Nb2O5-70TeO2 glass ceramics after heat treatment. We prepare pure and 1 mol% Sm3+-doped 15K2O-15Nb2O5-70TeO2 glasses by using the conventional melt-quenching method. After annealing at 390 °C and 410 °C, respectively, we characterize the crystallinity of the glasses. We examine the chemical bonding states of the ions and the optical properties by taking absorption, excitation, and emission spectra. We show that Sm3+-doped 15K2O-15Nb2O5-70TeO2 glass ceramics after heat treatment are excellent red-orange-emitting phosphors under near UV excitation.
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Hong, K.S., Cha, YJ., Ha, M.G. et al. Synthesis and optical characteristics of Sm3+-doped 15K2O-15Nb2O5-70TeO2 glass ceramics. Journal of the Korean Physical Society 64, 1841–1844 (2014). https://doi.org/10.3938/jkps.64.1841
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DOI: https://doi.org/10.3938/jkps.64.1841