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Luminescence concentration quenching of D-1(2) state in YPO4:Pr3+

Abstract : Under selective excitation of the P-3(0) level of the Pr3+ ion in YPO4, the emission spectra and fluorescence decay curves were measured at different concentrations and temperatures. The origin of the spectral line located at 16318 cm(-1) (612.8 nm) was discussed and attributed to the D-1(2) --> H-3(4) transition. The process of concentration quenching for the D-1(2) state was also studied. Using the Inokuti-Hirayama model, the non-exponential fluorescence decay curves of the D-1(2) level were fitted. The result shows that dipole-quadrupole interaction between Pr3+ ions, which causes D-1(2) --> (1)G(4) and H-3(4) --> F-3(4) cross-relaxation, results in the quenching of D-1(2) emissions.
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http://hal.in2p3.fr/in2p3-00008521
Contributor : Suzanne Robert Connect in order to contact the contributor
Submitted on : Monday, March 19, 2001 - 3:05:10 PM
Last modification on : Wednesday, September 16, 2020 - 4:01:05 PM

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  • HAL Id : in2p3-00008521, version 1

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H.T. Chen, R. Lian, M. Yin, L.R. Lou, W.P. Zhang, et al.. Luminescence concentration quenching of D-1(2) state in YPO4:Pr3+. Journal of Physics: Condensed Matter, IOP Publishing, 2001, 13, pp.1151-1158. ⟨in2p3-00008521⟩

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