Publication
Physical Review B
Paper

Effect of Frenkel defects on the high-pressure phase transitions in PbF2 and SrCl2

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Abstract

Significant curvature has been observed in a plot of transition temperature against transition pressure for the high-pressure cubic-orthorhombic phase transition in both PbF2 and SrCl2 at high temperatures. In the present paper it is shown that the presence of a high equilibrium concentration of Frenkel defects in one phase but not the other phase involved in the transition can provide an explanation for this curvature. A comment is also made on the applicability of the work to AgI and RbAg4I5. © 1981 The American Physical Society.

Date

15 Sep 1981

Publication

Physical Review B

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