Local structure characterization of superconducting MgCNi3 prepared by SHS technique (Articolo in rivista)

Type
Label
  • Local structure characterization of superconducting MgCNi3 prepared by SHS technique (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Paolone A., Castellano C., Palumbo O., Cordero F., Cantelli R., Martinelli A., Ferretti M. (2007)
    Local structure characterization of superconducting MgCNi3 prepared by SHS technique
    in Physica. C, Superconductivity (Print)
    (literal)
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  • Paolone A., Castellano C., Palumbo O., Cordero F., Cantelli R., Martinelli A., Ferretti M. (literal)
Pagina inizio
  • 77 (literal)
Pagina fine
  • 81 (literal)
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  • 454 (literal)
Rivista
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  • 1-2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy; CNR, INFM, Lab Reg Supermat, Salerno, Italy; Univ Roma La Sapienza, CNISM, I-00185 Rome, Italy; CNR, ISC, Area Ric Roma Tor Vergata, I-00133 Rome, Italy; Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy; CNR, INFM, Lab Reg LAMIA, I-16152 Genoa, Italy (literal)
Titolo
  • Local structure characterization of superconducting MgCNi3 prepared by SHS technique (literal)
Abstract
  • Extended X-ray absorption fine structure measurements at the Ni K absorption edge on MgCNi3 prepared by an alternative method based on the self-propagating high-temperature synthesis (SHS) technique are reported in the temperature range from 5 up to 300 K. The temperature dependence of the interatomic Ni-Ni and Ni-Mg distances is in agreement with the values reported for samples obtained by the common solid state route, which has been largely used up to now. The Ni-Ni and Ni-Mg Debye-Waller factors can be well described by a correlated Debye model, with theta(D) = 287 K. The present measurements confirm the good quality of the samples produced by the SHS method. (c) 2007 Elsevier B.V. All rights reserved. (literal)
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