One-dimensional models and thermomechanical properties of solids (Articolo in rivista)

Type
Label
  • One-dimensional models and thermomechanical properties of solids (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.84.224103 (literal)
Alternative label
  • Paolo De Gregorio, Lamberto Rondoni, Michele Bonaldi, and Livia Conti (2011)
    One-dimensional models and thermomechanical properties of solids
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Paolo De Gregorio, Lamberto Rondoni, Michele Bonaldi, and Livia Conti (literal)
Pagina inizio
  • 224103-1 (literal)
Pagina fine
  • 224103-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • ID_PUMA: cnr.imem.tn/2011-A0-001 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prb.aps.org/abstract/PRB/v84/i22/e224103 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 84 (literal)
Rivista
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  • 22 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dip. di Matematica, Politecnico di Torino, Corso Duca degli Abruzzi 24, I-10129 Torino, Italy ; INFN, Sezione di Torino, Via P. Giura 1, I-10125 Torino, Italy ; Institute of Materials for Electronics and Magnetism, Nanoscience-Trento-FBK Division, I-38123 Povo, Trento, Italy ; INFN, Gruppo Collegato di Trento, Sezione di Padova, I-38123 Povo, Trento, Italy ; INFN, Sezione di Padova, Via Marzolo 8, I-35131 Padova, Italy (literal)
Titolo
  • One-dimensional models and thermomechanical properties of solids (literal)
Abstract
  • We use open-ended chains of oscillators, like those introduced by Fermi, Pasta, and Ulam, to mimic thermomechanical properties of crystalline solids, such as thermal expansion and the change of elasticity and quality factors with temperature.We employ molecular dynamics and theoretical arguments, separately. Features of real solids are reproduced, such as the positiveness of the coefficient of thermal expansion and the decrease of the modulus of elasticity and of the quality factor with temperature. The results depend strongly on the interparticle potential at energy levels much higher than the average energy of the chain, with the Lennard-Jones potential yielding the most realistic cases. (literal)
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