Thermodynamics of volume-collapse transitions in cerium and related compounds (Articolo in rivista)

Type
Label
  • Thermodynamics of volume-collapse transitions in cerium and related compounds (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.actamat.2005.07.027 (literal)
Alternative label
  • S. Bustingorry (a); E.A. Jagla (a); J. Lorenzana (b) (2005)
    Thermodynamics of volume-collapse transitions in cerium and related compounds
    in Acta materialia; Pergamon-Elsevier Science Ltd., Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • S. Bustingorry (a); E.A. Jagla (a); J. Lorenzana (b) (literal)
Pagina inizio
  • 5183 (literal)
Pagina fine
  • 5188 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com/science/article/pii/S1359645405004441 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 53 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 19 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (a) Consejo Nacional de Investigaciones Científicas y Técnicas, Centro Atómico Bariloche, 8400 Bariloche, Argentina (b) SMC, INFM, ISC, CNR, Dipartimento di Fisica, Università di Roma, \"La Sapienza\" P. Aldo Moro 2, 00185 Roma, Italy (literal)
Titolo
  • Thermodynamics of volume-collapse transitions in cerium and related compounds (literal)
Abstract
  • We present a non-linear elastic model of a coherent transition with discontinuous volume change in an isotropic solid. The model reproduces the anomalous thermodynamics typical of coherent equilibrium including intrinsic hysteresis (for a pressure driven experiment) and a negative bulk modulus. The novelty of the model is that the statistical mechanics solution can be easily worked out. We find that coherency leads to an infinite-range density-density interaction, which drives classical critical behavior. The pressure width of the hysteresis loop shrinks with increasing temperature, ending at a critical point at a temperature related to the shear modulus. The bulk modulus softens with a 1/2 exponent at the transition even far from the critical point. Many well known features of the phase diagram of Ce and related systems are explained by the model (literal)
Editore
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Editore di
Insieme di parole chiave di
data.CNR.it