On the variation of the impurity composition in LaF3 crystals grown by the Bridgman-Stockbarger method |
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| Authors: | E A Krivandina Z I Zhmurova B P Sobolev |
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| Institution: | (1) Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow, 117333, Russia |
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| Abstract: | Single crystals of the composition LaF3 with CeF3, YF3, and SrF2 impurities have been grown by the Bridgman-Stockbarger method in a graphite crucible with six cells. The CeF3 concentration has been measured in the LaF3 charge prior to the growth experiment and in the grown LaF3 crystals upon it. It is shown that, depending on the growth conditions, the CeF3 concentration can change during crystallization from 25% of its initial concentration in the charge up to 550%. |
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