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Site selective optical spectroscopy of Pr3+ in CsGd2F7

Abstract : With the purpose of determining luminescence properties of lanthanide ions occupying different crystallographic sites in a same host. a new CsGd2F7:Pr3+ crystal was optically characterized for the first time. Experimental data have shown that in CsGd2F7 doped with 2.0 at% Pr3+. there are five Gd3+ crystallographic sites which are substituted by Pr3+-. Under site-selective excitation at 12 K, luminescence spectra of Pr3+ ions in the five sites are distinctly discriminated. The energies of the P-3(0) states for Pr3+ in those sites are 20.889, 20.879. 20.873, 20.838 and 20.818 cm(-1). Lifetimes of Pr3+ ion radiative levels for the different sites are also presented and analyzed.
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http://hal.in2p3.fr/in2p3-00011181
Contributor : Suzanne Robert <>
Submitted on : Tuesday, February 5, 2002 - 12:14:12 PM
Last modification on : Friday, April 2, 2021 - 4:58:06 PM

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M. Yin, V-N. Makhov, N-M. Khaidukov, J-C. Krupa. Site selective optical spectroscopy of Pr3+ in CsGd2F7. Journal of Luminescence, Elsevier, 2001, 94, pp.97-100. ⟨in2p3-00011181⟩

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