Tetragonal to orthorhombic phase transition in SmFeAsO: A synchrotron (Articolo in rivista)

Type
Label
  • Tetragonal to orthorhombic phase transition in SmFeAsO: A synchrotron (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jallcom.2008.10.153 (literal)
Alternative label
  • A. Martinelli (a); A. Palenzona (a,b); C. Ferdeghini (a); M. Putti (a,c) H. Emerich (d) (2009)
    Tetragonal to orthorhombic phase transition in SmFeAsO: A synchrotron
    in Journal of alloys and compounds
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Martinelli (a); A. Palenzona (a,b); C. Ferdeghini (a); M. Putti (a,c) H. Emerich (d) (literal)
Pagina inizio
  • L21 (literal)
Pagina fine
  • L23 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 477 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a Artificial and Innovative Materials Laboratory, National Institute for the Physics of Matter - National Research Council, corso Perrone 24, 16152 Genova, Italy b Department of Chemistry and Industrial Chemistry, University of Genoa, via Dodecaneso 31, 16146 Genova, Italy c Department of Physics, University of Genoa, via Dodecaneso 33, 16146 Genova, Italy d SNBL at ESRF, 6 rue Jules Horrowitz, 38043 Grenoble, France (literal)
Titolo
  • Tetragonal to orthorhombic phase transition in SmFeAsO: A synchrotron (literal)
Abstract
  • The crystal structure of SmFeAsO was investigated by means of Rietveld refinement of high-resolution synchrotron powder diffraction data collected at 300K and 100K. The compound crystallizes in the tetragonal P4/nmmspace group at 300K and in the orthorhombic Cmma space group at 100K; attempts to refine the low temperature data in the monoclinic P112/n space group diverged. On the basis of both resistive and magnetic analyses the tetragonal to orthorhombic phase transition may be located at T~140 K. (literal)
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