Incorporation of double artificial pinning centers in YBa 2Cu3O7-d films

Paolo Mele, K. Matsumoto, T. Horide, A. Ichinose, M. Mukaida, Y. Yoshida, S. Horii, R. Kita

研究成果: Article

34 引用 (Scopus)

抄録

YBa2Cu3O7-x+BaZrO3+Y 2O3 (YBCO+BaZrO3+Y2O3) mixed films were prepared on SrTiO3/MgO substrates by pulsed-laser deposition, with an YBCO+BaZrO3 target with a thin Y 2O3 sector stuck on the top. The pinning properties for the double-doped YBCO+BaZrO3+Y2O3 thin film were enhanced in comparison with those of a pure YBCO sample prepared in the same experimental conditions. The maximum global pinning forces Fp for the double-doped sample are 12.8GN m-3 near 3 T at 77 K, 46.3 GN m-3 near 4 T at 65 K, and 122 GN m-3 near 9 T at 40 K. In the double-doped sample the angular dependence of Jc showed a broad peak at , due to the flux pinning by c-axis correlated defects, combined with a plateau, due to the flux pinning by isotropic pinning centers. Both BaZrO 3 nanorods parallel to the c-axis and Y2O3 nanoparticles randomly dispersed inside the YBCO matrix were consistently observed in the cross sectional transmission electron microscopy images.

元の言語English
記事番号015019
ジャーナルSuperconductor Science and Technology
21
発行部数1
DOI
出版物ステータスPublished - 2008 1 1
外部発表Yes

Fingerprint

Flux pinning
flux pinning
Pulsed laser deposition
Nanorods
Nanoparticles
Transmission electron microscopy
Thin films
Defects
nanorods
pulsed laser deposition
plateaus
Substrates
sectors
nanoparticles
transmission electron microscopy
defects
matrices
thin films
barium copper yttrium oxide
strontium titanium oxide

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

これを引用

Mele, P., Matsumoto, K., Horide, T., Ichinose, A., Mukaida, M., Yoshida, Y., ... Kita, R. (2008). Incorporation of double artificial pinning centers in YBa 2Cu3O7-d films. Superconductor Science and Technology, 21(1), [015019]. https://doi.org/10.1088/0953-2048/21/01/015019

Incorporation of double artificial pinning centers in YBa 2Cu3O7-d films. / Mele, Paolo; Matsumoto, K.; Horide, T.; Ichinose, A.; Mukaida, M.; Yoshida, Y.; Horii, S.; Kita, R.

:: Superconductor Science and Technology, 巻 21, 番号 1, 015019, 01.01.2008.

研究成果: Article

Mele, P, Matsumoto, K, Horide, T, Ichinose, A, Mukaida, M, Yoshida, Y, Horii, S & Kita, R 2008, 'Incorporation of double artificial pinning centers in YBa 2Cu3O7-d films', Superconductor Science and Technology, 巻. 21, 番号 1, 015019. https://doi.org/10.1088/0953-2048/21/01/015019
Mele, Paolo ; Matsumoto, K. ; Horide, T. ; Ichinose, A. ; Mukaida, M. ; Yoshida, Y. ; Horii, S. ; Kita, R. / Incorporation of double artificial pinning centers in YBa 2Cu3O7-d films. :: Superconductor Science and Technology. 2008 ; 巻 21, 番号 1.
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