Artificial pinning center technology to enhance vortex pinning in YBCO coated conductors

Kaname Matsumoto, Paolo Mele

研究成果: Article

228 引用 (Scopus)

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Crystalline defects on the nano-scale, which are called artificial pinning centers (APCs), were successfully introduced into high-temperature superconductors (HTS) by nanotechnology, in order to strongly pin the quantized vortices. The critical current densities, Jc, of the HTS films were dramatically improved by APCs. It is possible to form APCs in high-quality epitaxial films, keeping the desired dimensionality, volume fraction, spatial distribution and so on. The in-field Jc of HTS films at 77K was improved by one order of magnitude compared with previous values using APCs. This technology can be applied to the coated conductor technology in progress, and a high Jc has already been reported. A current outline of the research is described in this review.

元の言語English
記事番号014001
ジャーナルSuperconductor Science and Technology
23
発行部数1
DOI
出版物ステータスPublished - 2010 2 22
外部発表Yes

ASJC Scopus subject areas

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

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