Synthesis,characterization and optical properties of bismuth germanate doped with trivalent europium |
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| Authors: | F. Raynal B. Blanzat J.P. Denis J. Loriers C. Pannel |
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| Affiliation: | Laboratoire des Terres Rares du C.N.R.S. 1, Place Aristide Briand, 92190 Meudon-Bellevue, France;Laboratoire de Luminescence, Université de Paris VI 4, Place Jussieu, 75230 Paris Cedex 05, France |
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| Abstract: | Bismuth germanate single crystals doped with trivalent europium were grown by the Czochralski method. Procedures and results of synthesis experiments are reported. Microprobe analysis reveals the segregation of doped rare-earth elements. Spectroscopic studies of Eu3+ ions suggests C3v point symmetry for the cationic site. Oscillator strengths and τλ parameters for Eu3+ were calculated. |
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