Phase Equilibria in MF₂YbF₃ScF₃ (M = Cd or Mg) Systems
and Isomorphic Substitutions Stabilizing -YF₃ Type Structures

P. P. Fedorov

Prokhorov Institute for General Physics, Russian Academy of Sciences, Leninskii pr. 51, Moscow, 119991 Russia

e-mail: ppf@lst.gpi.ru

Received November 12, 2013

Abstract—Phase equilibria in MF₂–YbF₃–ScF₃ (M = Cd, Mg) systems were studied by differential thermal
analysis. The systems are of eutectic type without intermediate phases. CdF₂-, -YbF₃-, and -YbF₃-based
solid solutions only exist. The low-temperature stability boundary of -YbF₃-based solid solution is 8335C
in the cadmium-containing system and 852C in the magnesium-containing system.

DOI: 10.1134/S0036023614060072

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