Pd layer on cube-textured substrates for MOD-TFA and PLD YBCO coated conductors (Articolo in rivista)

Type
Label
  • Pd layer on cube-textured substrates for MOD-TFA and PLD YBCO coated conductors (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mancini A., Celentano G., Galluzzi V., Rufoloni A., Vannozzi A., Augieri A., Ciontea L., Petrisor T., Gambardella U., Longo G., Cricenti A. (2008)
    Pd layer on cube-textured substrates for MOD-TFA and PLD YBCO coated conductors
    in Superconductor science and technology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mancini A., Celentano G., Galluzzi V., Rufoloni A., Vannozzi A., Augieri A., Ciontea L., Petrisor T., Gambardella U., Longo G., Cricenti A. (literal)
Pagina inizio
  • 015003 (literal)
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  • 21 (literal)
Rivista
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  • http://dx.doi.org/10.1088/0953-2048/21/01/015003 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ENEA, Frascati Res Ctr, I-00044 Frascati, Italy Tech Univ Cluj Napoca, Cluj Napoca 3400, Romania Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy CNR, ISM, I-00133 Rome, Italy (literal)
Titolo
  • Pd layer on cube-textured substrates for MOD-TFA and PLD YBCO coated conductors (literal)
Abstract
  • Pd films were deposited on rolling assisted biaxially textured substrate (RABiTS) Ni-5 at.% W in order to exploit the Pd effect of the texture sharpening with respect to that of the substrate, for the development of YBa2Cu3O7-x (YBCO) coated conductors. The Pd sharpening effect was relevant in the out-of-plane direction where the reduction for the omega-scans' full width at half maximum (FWHM) ranged from 55 to 65%, depending on the substrate roughness. The obtained minimum values of the FWHM in the transverse rolling direction of the (002) Pd scan and in the (111) Pd phi-scan were of about 2.5 degrees and 5 degrees, respectively. The CeO2/YSZ/CeO2 (YSZ is Y2O3-stabilised ZrO2) heterostructure of the buffer layer was developed by pulsed laser deposition (PLD). In order to transfer the sharp orientation of the Pd film, both the seed CeO2 layer and the YSZ layer were deposited at low temperatures (450 degrees C), low enough to avoid Pd/Ni-W interdiffusion. The YBCO, films deposited by both PLD and metal-organic deposition (MOD) using metal trifluoroacetate acid (TFA), exhibited rolling direction (005) omega-scan and the (113) phi-scan FWHM values of about 2 degrees and 5 degrees, respectively. In spite of the complete interdiffusion between Ni and Pd during the YBCO film deposition, the coated conductors exhibit good adherence, as well as a smooth and crack-free surface. A zero-resistance critical temperature (T-C0) of 90.8 K for the MOD-TFA YBCO films and critical current-density (J(C)) up to 2.2 MA cm(-2) at 77 K and self-field for PLD YBCO films have been obtained. (literal)
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