Abstract
Glassy-crystalline samples of compositions (B2O3-Al2O3-SiO2):Eu2+ (3 at %) and (B2O3-2SiO2):Eu2+ (3 at %) were obtained by sintering the initial powdered mixtures at 1300°C in air. Being excited by laser radiation at a wavelength of 325 nm, the former samples exhibit intense blue photoluminescence with a maximum at 434–448 nm, while the latter samples emit in the violet spectral interval with a maximum at 409 nm. An increase in the content of B2O3 leads to a shift of the emission maximum toward a shorter wavelength, while additional annealing at 1300°C C in vacuum shifts the spectrum toward longer wavelengths.
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Original Russian Text © N.T. Gurin, K.V. Paksyutov, M.A. Terent’ev, A.V. Shirokov, 2008, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2008, Vol. 34, No. 21, pp. 1–6.
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Gurin, N.T., Paksyutov, K.V., Terent’ev, M.A. et al. Intense blue and violet luminescence in the (B2O3-Al2O3-SiO2):Eu2+ system. Tech. Phys. Lett. 34, 905–907 (2008). https://doi.org/10.1134/S1063785008110011
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DOI: https://doi.org/10.1134/S1063785008110011