Crossref journal-article
AIP Publishing
The Journal of Chemical Physics (317)
Abstract

Our earlier development of a statistical mechanical theory of isostructural phase transitions due to core collapse [J. Chem. Phys. 65, 2161, 2172 (1976)] is extended to the treatment of solid mixtures exhibiting isostructural transitions. Since mixtures in which two solid phases coexist are typically in states of mechanical but not material equilibrium, we consider the theory for states of mechanical equilibrium only, as well as the theory for coexisting phases in true stable thermodynamic equilibrium. Using an extremely simple Hamiltonian model we find good qualitative agreement between the results of a first-order perturbation theory and the recent experimental results for Ce1−xThx mixtures. In particular, the theory accounts for the experimentally observed decrease in critical temperature with increasing x and for the dependence of the observed resistivity–temperature isobars upon x.

Authors 2
  1. J. M. Kincaid (first)
  2. G. Stell (additional)
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Dates
Type When
Created 22 years, 6 months ago (Feb. 12, 2003, 4:34 p.m.)
Deposited 1 year, 6 months ago (Feb. 9, 2024, 11:16 a.m.)
Indexed 1 year, 6 months ago (Feb. 10, 2024, 2:28 p.m.)
Issued 48 years, 1 month ago (July 15, 1977)
Published 48 years, 1 month ago (July 15, 1977)
Published Print 48 years, 1 month ago (July 15, 1977)
Funders 0

None

@article{Kincaid_1977, title={Isostructural phase transitions due to core collapse. III. A model for solid mixtures}, volume={67}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.434904}, DOI={10.1063/1.434904}, number={2}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Kincaid, J. M. and Stell, G.}, year={1977}, month=jul, pages={420–429} }