Low‐temperature phase formation in the SrF 2 –LaF 3  system | Zendy

Fedorov Pavel P. | Zendy; Alexandrov Alexander A. | Zendy; Voronov Valery V. | Zendy; Mayakova Mariya N. | Zendy; Baranchikov Alexander E. | Zendy; Ivanov Vladimir K. | Zendy

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Low‐temperature phase formation in the SrF 2 –LaF 3 system

Author(s) -

Fedorov Pavel P.,

Alexandrov Alexander A.,

Voronov Valery V.,

Mayakova Mariya N.,

Baranchikov Alexander E.,

Ivanov Vladimir K.

Publication year - 2021

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.17666

Subject(s) - solubility , phase (matter) , analytical chemistry (journal) , flux (metallurgy) , materials science , solid solution , chemistry , mineralogy , crystallography , metallurgy , chromatography , organic chemistry

Phase formation in the SrF 2 –LaF 3 system was studied at temperatures ranging from 300°C to 450°C using nitrate flux. The solubility of LaF 3 in SrF 2 decreases with decreasing temperature. The equilibrium width of the solid solution region Sr 1− x La x F 2+ x at 400°C, it is 44.6 ± 0.4 mol% LaF 3 ( x = 0.446), at 350°C — 38.3 ± 0.7 mol% LaF 3 ( x = 0.383), and decreases almost to zero at 300°C.

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