Flux pinning properties of TFA-MOD (Y,Gd)Ba2Cu3O x tapes with BaZrO3 nanoparticles

Satoshi Awaji, Masafumi Namba, Kazuo Watanabe, Masashi Miura, Masateru Yoshizumi, Teruo Izumi, Yuh Shiohara

研究成果: Article査読

19 被引用数 (Scopus)

抄録

A high critical current density Jc with a nearly isotropic angular dependence at 77.3K was recently obtained by the introduction of nanoparticles to (Y,RE)Ba2Cu3Oy (RE123, RE = Sm, Gd)-coated conductors prepared by trifluoroacetate metal-organic deposition (TFA-MOD). The flux pinning properties were evaluated on the basis of detailed measurements of the upper critical field, the irreversibility field and the critical current density of the TFA-MOD RE123-coated conductor. We found that strong random pinning by the BaZrO3 nanoparticles and weak c-axis correlated pinning by twin boundaries functioned cooperatively in nanoparticles introduced to (Y, Gd)123-coated conductors prepared by TFA-MOD. The coexistence of two different pinning centers played an important role in the nearly isotropic angular dependence of Jc.

本文言語English
論文番号014006
ジャーナルSuperconductor Science and Technology
23
1
DOI
出版ステータスPublished - 2010 2 22

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

フィンガープリント 「Flux pinning properties of TFA-MOD (Y,Gd)Ba<sub>2</sub>Cu<sub>3</sub>O <sub>x</sub> tapes with BaZrO<sub>3</sub> nanoparticles」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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