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Funct. Mater. 2013; 20 (4): 429-433.

http://dx.doi.org/10.15407/fm20.04.429

Peculiarities of electron-phonon interaction in Pr3+ centers of SrCl2:Pr single crystals

O.T.Antonyak, A.S.Voloshinovskii, V.V.Vistovskyy, Ya.M.Chornodolskyy

I.Franko National University of Lviv, 8 Kyrylo and Mefodiy Str., 79005 L′viv, Ukraine

Abstract: 

The luminescence excitation and emission spectra of SrCl2:Pr single crystals containing 0.2 mol. % Pr were investigated at T=10 K using vacuum ultraviolet synchrotron radiation. From analysis of the fine structure of the low-energy excitation band of an activator, the following main frequencies associated with the local structure of the activator centers were found in the phonon spectrum of SrCl2:Pr crystal: 194; 210; 266 and 298 cm–1.

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