Spontaneous liquifaction of isomerizable molecular crystals. (Articolo in rivista)

Type
Label
  • Spontaneous liquifaction of isomerizable molecular crystals. (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.2432345 (literal)
Alternative label
  • Tombari E. (1); Ferrari C. (1); Salvetti G. (1);Johari G.P. (2) (2007)
    Spontaneous liquifaction of isomerizable molecular crystals.
    in The Journal of chemical physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tombari E. (1); Ferrari C. (1); Salvetti G. (1);Johari G.P. (2) (literal)
Pagina inizio
  • 021107 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://jcp.aip.org/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 126 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • Art. No. 021107 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) IPCF - CNR (2) McMaster Univ, Dept Mat Sci & Engn, Hamilton, ON L8S 4L7 Canada (literal)
Titolo
  • Spontaneous liquifaction of isomerizable molecular crystals. (literal)
Abstract
  • A lattice vacancy raises the energy of the neighboring (flexible) molecule in a crystal, which may be enough to isomerize it to a tautomer that does not fit the lattice site, thus creating a liquidlike local region embedding the vacancy. Similar regions may appear elsewhere in the lattice and the regions may ultimately merge. Thus a crystal may spontaneously liquefy over a period of hours to years at a temperature below its normal melting point. Simultaneous heat capacity and heat absorption measurements of several such molecular crystals show that they spontaneously liquefy at a temperature far below their reputed melting point, according to a non-exponential rate kinetics and a temperature dependent rate constant, and do not crystallize on cooling. (c) 2007 American Institute of Physics. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


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