, Volume 57, Issue 6, pp 811-814
Date: 17 Nov 2012

Composition of CeF3-based crystals for a composite scintillator with a polystyrene matrix

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Abstract

The dependences of the refractive indices of solid solutions based on cerium fluoride (Ce1−y Sr y F3 − y and Ce1 − y Ba y F3 − y ) on their composition have been studied. It is shown that at a light wavelength λ = 0.589 μm crystals of the Ce0.925Sr0.075F2.925 and Ce0.875Ba0.125F2.875 compositions have an average refractive index n av coinciding with the refractive index of polystyrene (n = 1.5975 ± 0.001) at this wavelength and can thus be used as fillers for cerium-containing composite scintillators based on polystyrene.

Original Russian Text © B.P. Sobolev, T.M. Glushkova, E.A. Krivandina, Z.I. Zhmurova, 2012, published in Kristallografiya, 2012, Vol. 57, No. 6, pp. 914–917.
In memory of V.G. Vasil’chenko