Artificial high temperature superconducting structures. (Articolo in rivista)

Type
Label
  • Artificial high temperature superconducting structures. (Articolo in rivista) (literal)
Anno
  • 2002-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1117/12.453808 (literal)
Alternative label
  • C.Aruta, G.Balestrino, S.Lavanga, P.G.Medaglia, P.Orgiani, A.Tebano (2002)
    Artificial high temperature superconducting structures.
    in Proceedings of SPIE, the International Society for Optical Engineering; SPIE-INT SOC OPTICAL ENGINEERING, BELLINGHAM, WA 98227-0010 (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • C.Aruta, G.Balestrino, S.Lavanga, P.G.Medaglia, P.Orgiani, A.Tebano (literal)
Pagina inizio
  • 120 (literal)
Pagina fine
  • 129 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://spiedigitallibrary.org/proceedings/resource/2/psisdg/4811/1/120_1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4811 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • INFM-COHERENTIA, Dipartimento di Ingegneria Meccanica, Universita di Roma Tor Vergata, Viale del Politecnico 1, I - 00133 Roma, Italy (literal)
Titolo
  • Artificial high temperature superconducting structures. (literal)
Abstract
  • (BaCuO2+?)m/(CaCuO2)2 superconducting artificial structures were synthesized by layer by layer pulsed laser deposition. The interlayer coupling between adjacent superconducting CaCuO2 blocks was investigated. The thickness of the BaCuO2+? charge reservoir (CR) layer was gradually increased up to m=10. It was found that interlayer coupling is not essential for high Tc superconductivity: giant CR blocks, thicker than 20 Å, (m ? 5), depress only moderately Tc while increase the 2D character of superconductivity. Furthermore hetero-epitaxial (BaCuO2+?)m/(CaCuO2)2/ (BaCuO2+?)m tri-layers made of a single superconducting block sandwiched between two CR blocks were deposited. Electrical transport measurements showed that such ultra thin structures are superconducting with Tc up to about 60 K and critical current densities (at 4 K) as high as 108 A cm-2. Such finding confirmed the occurrence of purely intralayer superconductivity in these artificial structures. (literal)
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