Role of Nd/Ba substitution on the growth mode and on the structural properties of Nd-rich Re-1(NdxBa2-x)Cu3O7-delta (Re = Nd, Y) thin films (Articolo in rivista)

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  • Role of Nd/Ba substitution on the growth mode and on the structural properties of Nd-rich Re-1(NdxBa2-x)Cu3O7-delta (Re = Nd, Y) thin films (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/s0921-4534(02)00828-6 (literal)
Alternative label
  • Salluzzo, M. and Aruta, C. and Ausanio, G. and Bals, S. and D'Agostino, A. and Maglione, M. G. (2002)
    Role of Nd/Ba substitution on the growth mode and on the structural properties of Nd-rich Re-1(NdxBa2-x)Cu3O7-delta (Re = Nd, Y) thin films
    in Physica. C, Superconductivity (Print); Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salluzzo, M. and Aruta, C. and Ausanio, G. and Bals, S. and D'Agostino, A. and Maglione, M. G. (literal)
Pagina inizio
  • 675 (literal)
Pagina fine
  • 678 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1016/S0921-4534(02)00828-6 (literal)
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  • 372 (literal)
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  • 4 (literal)
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  • ISI Web of Science (WOS) (literal)
  • Google Scholar (literal)
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  • M. Salluzzo a, C. Aruta b, G. Ausanio a, S. Bals c, A. D'Agostino d, M.G. Maglione a a INFM and Dipartimento di Scienze Fisiche, Universit!a di Napoli Federico II, Piazzale Tecchio 80, 80125 Napoli, Italy b INFM and Universit!a di Roma ''Tor Vergata'', Dipartimento di Scienze e Tecnologie Fisiche ed Energetiche, Via di Tor Vergata s.n.c., I-00133 Roma, Italy c EMAT, University of Antwerp (RUCA), Groenenborgerlaan 171, B-2020 Antwerp, Belgium d PROMETE S.r.l.--INFM Spin off Company, Via Buongiovanni 49, 80046 San Giorgio a Cremano (NA), Italy (literal)
Titolo
  • Role of Nd/Ba substitution on the growth mode and on the structural properties of Nd-rich Re-1(NdxBa2-x)Cu3O7-delta (Re = Nd, Y) thin films (literal)
Abstract
  • Thin films of the superconducting Nd1+xBa2-xCu3O7-delta (NBCO) and Y-1(NdxBa2-x)Cu3O7-delta (YNBCO) compounds have been deposited by dc magnetron sputtering and diode high pressure oxygen sputtering, Different techniques. including scanning tunneling microscopy, atomic force microscopy, X-ray diffraction and transmission electron microscopy (TEM) have been used to study the film microstructures and the surface morphology. It is shown that the Nd/Ba exchange promotes a 2D heteroepitaxial growth in the case of the NBCO films deposited on (1 0 0) SrTiO3 substrates, with a suppression of the characteristic 3D spirals structures. On the contrary in YNBCO the Nd/Ba exchange does not provide a driving force for the suppression of screw-dislocations. since spirals or towers originated by screw and half loop dislocations are observed on the surface. TEM reveals that anti-phase boundaries are eliminated during the growth of NBCO films thanks to the Nd/Ba exchange while this mechanism is not operating in the case of YNBCO films. (C) 2002 Elsevier Science B.V. All rights reserved. (literal)
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