28 September 2016 Spectroscopic properties of Eu-doped antimony-germanate glass and glass-ceramics
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Proceedings Volume 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016; 100310T (2016) https://doi.org/10.1117/12.2248110
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 2016, Wilga, Poland
Abstract
In our work we focused on possibility of obtaining phosphate nano-phase structures in antimony-germanate glasses doped with europium ions. The glasses with molar composition of 50(Sb2O3 - GeO2) – 50(SiO2 - Al2O3 - Na2O) doped with 0.5mol% Eu2O3 were prepared by standard melt-quenching method. In order to optimize glass-ceramic system the influence of phosphate concentration (up to 10mol%) on spectroscopic properties have been investigated. The symmetry nature of molecular structure around europium ions have been determined from the intensity ratio between (5D07F2)/(5D07F1) transitions. The effect of prominent Stark splitting of luminescence band at 612 nm characterised as “hypersensitive transition” into 3 sub-wavelength was observed in glasses with 1mol% and 3mol% of P2O5.
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J. Zmojda, M. Kochanowicz, P. Miluski, T. Ragin, D. Dorosz, A. Zając, "Spectroscopic properties of Eu-doped antimony-germanate glass and glass-ceramics", Proc. SPIE 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 100310T (28 September 2016); doi: 10.1117/12.2248110; https://doi.org/10.1117/12.2248110
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