Minimization of BaHfO3 Flux Pinning Centers in YBa2Cu3Oy Films by Metal Organic Deposition Process

Ryo Teranishi, Kenya Otaguro, Hiroshi Horita, Kazuhiro Yamada, Kenji Kaneko, Teruo Izumi, Satoshi Awaji

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Abstract

YBCO films with BaHfO3 (BHO) nanoparticles were fabricated by a metal organic deposition method using trifluoroacetate (TFA) solution with Hf salt. The diameter of BHO nanoparticles was minimized by the additional holding temperature during the crystallization process. Critical current density (JC) in magnetic fields of YBCO films with BHO nanoparticles was higher than that of the film with BaZrO3 (BZO). Accordingly, it was revealed that BHO nanoparticles act as very effective artificial pinning centers.

Original languageEnglish
Article number8001403
JournalIEEE Transactions on Applied Superconductivity
Volume26
Issue number3
DOIs
Publication statusPublished - Apr 2016

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All Science Journal Classification (ASJC) codes

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

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