Energy scales in YBaCuO grain boundary biepitaxial Josephson junctions (Articolo in rivista)

Type
Label
  • Energy scales in YBaCuO grain boundary biepitaxial Josephson junctions (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.physc.2011.12.022 (literal)
Alternative label
  • F. Tafuri (a,b,c); D. Stornaiuolo (d,b); P. Lucignano (e,c); L. Galletti (c); L. Longobardi (a); D. Massarotti (c,b); D. Montemurro (f); G. Papari (g,c); A. Barone (c,b); A. Tagliacozzo (c,b) (2012)
    Energy scales in YBaCuO grain boundary biepitaxial Josephson junctions
    in Physica. C, Superconductivity (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • F. Tafuri (a,b,c); D. Stornaiuolo (d,b); P. Lucignano (e,c); L. Galletti (c); L. Longobardi (a); D. Massarotti (c,b); D. Montemurro (f); G. Papari (g,c); A. Barone (c,b); A. Tagliacozzo (c,b) (literal)
Pagina inizio
  • 74 (literal)
Pagina fine
  • 78 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • Proceedings of VORTEX VII Conference (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 479 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • a) Dip. Ingegneria dell'Informazione, Seconda Università di Napoli, 81031 Aversa (CE), Italy b) CNR-SPIN, UOS Napoli, Monte S. Angelo via Cinthia, 80126 Napoli, Italy c) Dip. Scienze Fisiche, Università di Napoli Federico II, Monte S. Angelo via Cinthia, 80126 Napoli, Italy d) DPMC, University of Geneva, 24 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland e) CNR-ISC, sede di Tor Vergata, Via del Fosso del Cavaliere 100, 00133 Roma, Italy f) NEST and Scuola Normale Superiore, Piazza San Silvestro 12, I-56127 Pisa, Italy g) INPAC - Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Pulsed Fields Group, K.U. Leuven, Celestijnenlaan 200 D, B-3001 Leuven, Belgium (literal)
Titolo
  • Energy scales in YBaCuO grain boundary biepitaxial Josephson junctions (literal)
Abstract
  • Self-assembled nanoscale channels may naturally arise in the growth process of grain boundaries (GBs) in high critical temperature superconductor (HTS) systems, and deeply influence the transport properties of the GB Josephson junctions (JJs). By isolating nano-channels in YBCO biepitaxial JJs and studying their properties, we sort out specific fingerprints of the mesoscopic nature of the contacts. The size of the channels combined to the characteristic properties of HTS favors a special regime of the proximity effect, where normal state coherence prevails on the superconducting coherence in the barrier region. Resistance oscillations from the current-voltage characteristic encode mesoscopic information on the junction and more specifically on the minigap induced in the barrier. Thouless energy emerges as a characteristic energy of these types of Josephson junctions. Possible implications on the understanding of coherent transport of quasiparticles in HTS and of the dissipation mechanisms are discussed, along with elements to take into account when designing HTS nanostructures. (literal)
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