Low-temperature phase transformations of PbZr1-xTixO3 in the morphotropic phase-boundary region (Articolo in rivista)

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Label
  • Low-temperature phase transformations of PbZr1-xTixO3 in the morphotropic phase-boundary region (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.98.255701 (literal)
Alternative label
  • Cordero F.; Craciun F.; Galassi C. (2007)
    Low-temperature phase transformations of PbZr1-xTixO3 in the morphotropic phase-boundary region
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cordero F.; Craciun F.; Galassi C. (literal)
Pagina inizio
  • 255701 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://link.aps.org/doi/10.1103/PhysRevLett.98.255701 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 98 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Cordero, Craciun: CNR-ISC Galassi: CNR-ISTEC (literal)
Titolo
  • Low-temperature phase transformations of PbZr1-xTixO3 in the morphotropic phase-boundary region (literal)
Abstract
  • We present anelastic and dielectric spectroscopy measurements of PbZr1-xTixO3 with 0.455<=x<=0.53, which provide new information on the low-temperature phase transitions. The tetragonal-to-monoclinic transformation is first order for x<0.48 and causes a softening of the polycrystal Young's modulus whose amplitude may exceed the one at the cubic-to-tetragonal transformation; this is explainable in terms of linear coupling between shear strain components and tilting angle of polarization in the monoclinic phase. The transition involving rotations of the octahedra below 200 K is visible both in the dielectric and anelastic losses, and it extends within the tetragonal phase, as predicted by recent first-principle calculations. (literal)
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