Corrigendum: A new approach for improving global critical current density in Fe(Se0.5Te0.5) polycrystalline materials (Articolo in rivista)

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Label
  • Corrigendum: A new approach for improving global critical current density in Fe(Se0.5Te0.5) polycrystalline materials (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0953-2048/26/3/039501 (literal)
Alternative label
  • A Palenzona1,2, A Sala1,3, C Bernini2, V Braccini2, M R Cimberle2, C Ferdeghini2, G Lamura2, A Martinelli2, I Pallecchi2, G Romano2, M Tropeano1,2, R Fittipaldi4, A Vecchione4, A Polyanskii5, F Kametani5 and M Putti2,3 (2013)
    Corrigendum: A new approach for improving global critical current density in Fe(Se0.5Te0.5) polycrystalline materials
    in Superconductor science and technology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A Palenzona1,2, A Sala1,3, C Bernini2, V Braccini2, M R Cimberle2, C Ferdeghini2, G Lamura2, A Martinelli2, I Pallecchi2, G Romano2, M Tropeano1,2, R Fittipaldi4, A Vecchione4, A Polyanskii5, F Kametani5 and M Putti2,3 (literal)
Pagina inizio
  • 39501 (literal)
Pagina fine
  • - (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 25 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Chemistry and Industrial Chemistry Department, University of Genova, via Dodecaneso 31, I-16146 Genova, Italy 2 CNR-SPIN-Genova corso Perrone 24, I-16152, Genova, Italy 3 Physics Department, University of Genova, via Dodecaneso 33, I-16146 Genova, Italy 4 CNR-SPIN-Salerno and Physics Department, University of Salerno, Via Ponte don Melillo, I-84084 Fisciano (SA), Italy 5 Applied Superconductivity Center, National High Magnetic Field Laboratory 2031 E Paul Dirac, Dr., Tallahassee, FL 32310, USA (literal)
Titolo
  • Corrigendum: A new approach for improving global critical current density in Fe(Se0.5Te0.5) polycrystalline materials (literal)
Abstract
  • A novel method to prepare bulk Fe(Se0.5Te0.5) samples is presented, based on a melting process and a subsequent annealing treatment. With respect to the standard sintering technique, it produces much more homogeneous and denser samples, characterized by large and well interconnected grains. The resulting samples exhibit optimal critical temperature values, sharp resistive and magnetic transitions, large magnetic hysteresis loops and high upper critical fields. Interestingly, the global critical current density is much enhanced as compared to the values reported in the literature for bulk samples of the same 11 family, reaching about 103 A cm-2 at zero field at 4.2 K, as assessed by magnetic, transport and magneto-optical techniques. Even more importantly, its field dependence turns out to be very weak, such that at ?0H = 7 T it is suppressed only by a factor ~2. (literal)
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