Generation and Flux-Pinning Effect of High-Density Dislocation in High-TC Superconductor YBa2Cu3O7-.DELTA..

  • Zheng Xuguang
    Department of Electronics, Faculty of Engineering, Kyushu University, Fukuoka 812
  • Nishioka Shido
    Department of Electronics, Faculty of Engineering, Kyushu University, Fukuoka 812
  • Kuriyaki Hisao
    Department of Electronics, Faculty of Engineering, Kyushu University, Fukuoka 812
  • Hirakawa Kazuyoshi
    Department of Electronics, Faculty of Engineering, Kyushu University, Fukuoka 812

Bibliographic Information

Other Title
  • Generation and Flux-Pinning Effect of High-Density Dislocation in High-T<sub>c</sub> Superconductor YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-δ</sub>

Search this article

Description

High-density dislocations accompanied by stacking faults are introduced into YBa2Cu3O7-δ ceramics using a solid-state reaction method. Investigation on transmission electron microscopy reveals that these dislocations are created during crushing of ceramics presintered at a temperature near their melting point. A high intragrain critical current density is obtained for the superconductor, which shows that this kind of dislocation serves as a pinning force for the magnetic flux.

Journal

References(6)*help

See more

Details 詳細情報について

Report a problem

Back to top