Synthesis, powder XRD studies on LiF-BaF2/EuF3 systems and thermo-stimulated luminescence (TSL) of Eu3+ doped LiBaF3

In this paper, the phase equilibria of LiF-BaF2 and LiF-EuF3 systems under short-annealed and slow-cooled conditions have been explained. In these two systems, LiBaF3 and LiEuF4 exist as the line compounds in the respective systems under the present experimental conditions. The thermally stimulated...

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Published in:Materials science & engineering. B, Solid-state materials for advanced technology Solid-state materials for advanced technology, 2006-04, Vol.129 (1-3), p.256-260
Main Authors: Achary, S.N., Tyagi, A.K., Seshagiri, T.K., Natarajan, V.
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Tyagi, A.K.
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description In this paper, the phase equilibria of LiF-BaF2 and LiF-EuF3 systems under short-annealed and slow-cooled conditions have been explained. In these two systems, LiBaF3 and LiEuF4 exist as the line compounds in the respective systems under the present experimental conditions. The thermally stimulated luminescence (TSL) properties of EuF3 doped LiBaF3 compositions are investigated after irradiation with gamma-ray. A typical glow peak at 390K is observed in these samples, intensity of which increases up to 0.5mol% of Eu3+ doping and then decreases due to concentration quenching. An intense glow peak at 540K observed only in 1.0mol% doped sample. Spectral studies of the TSL glows confirm Eu3+ ions as the luminescent centers.
doi_str_mv 10.1016/j.mseb.2006.02.042
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title Synthesis, powder XRD studies on LiF-BaF2/EuF3 systems and thermo-stimulated luminescence (TSL) of Eu3+ doped LiBaF3
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