TAMARIT, Jose Luis; BARRIO, María; PARDO, Luis C.; NÉGRIER, Philippe; MONDIEIG, Denise

doi:10.1088/0953-8984/20/24/244110

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TAMARIT, Jose Luis
Departament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]

BARRIO, María
Departament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]

PARDO, Luis C.
Departament de Fisica i Enginyeria Nuclear [UPC, Barcelone] [ETSEIB]
Institut für Kernphysik [IKP]

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Journal of Physics: Condensed Matter. 2008-05-29, vol. 20, n° 24, p. 244110 (1-8)

IOP Publishing

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From the stable and metastable normal-pressure phase equilibria involved in two-component systems sharing compounds of the series CCl4-nBrn, n = 0,..., 4, several thermodynamic properties concerning non-experimentally available phase transitions have been determined. To do so, the well-established concept of crossed isodimorphism has been considered to involve the isomorphism relationships between the low-temperature monoclinic phases as well as, for both rhombohedral and face-centred cubic, orientationally disordered phases appearing in the compounds of the series. On the basis of such relations, the thermodynamic properties of the two-phase equilibria are extrapolated as a function of mole fraction to the pure compounds for which the involved transitions do not exist at normal pressure. The obtained thermodynamic properties are used to build up the topological pressure-temperature phase diagrams of the compounds of the series. The results are compared with the experimental pressure-temperature phase diagrams obtained by means of density measurements as a function of pressure and temperature.< Leer menos

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High-pressure properties inferred from normal-pressure properties

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