http://www.cnr.it/ontology/cnr/individuo/prodotto/ID167473
Local structure characterization of superconducting MgCNi3 prepared by SHS technique (Articolo in rivista)
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- Local structure characterization of superconducting MgCNi3 prepared by SHS technique (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
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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)
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- Paolone A., Castellano C., Palumbo O., Cordero F., Cantelli R., Martinelli A., Ferretti M. (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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