Growth temperature dependence of flux pinning properties in ErBa 2Cu3Oy thin films with nano-rods

M. Haruta, T. Sueyoshi, T. Fujiyoshi, M. Mukaida, H. Kai, K. Matsumoto, P. Mele, T. Maeda, S. Horii

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Irreversibility lines and distributions of local critical current density (Jcl) based on the percolation transition model were affected by the growth temperature (Ts) in 3.5 wt.%-BaNb2O 6-doped ErBa2Cu3Oy thin films. The vortex-Bose-glass-like state appeared by the introduction of nano-rods, and this vortex state was affected by Ts. The shape and width of the J cl distribution strongly depended on Ts. These results are probably caused by variations of the density and the growth direction for nano-rods reflecting Ts. The growth temperature is an important factor to achieve higher critical current properties under magnetic fields for coated conductors of rare-earth-based cuprates with nano-rods.

本文言語English
ページ(範囲)944-946
ページ数3
ジャーナルPhysica C: Superconductivity and its applications
471
21-22
DOI
出版ステータスPublished - 2011 11
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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