Flux pinning characteristics of artificial pinning centers with different dimension

Kaname Matsumoto, Paolo Mele, Ataru Ichinose, Masashi Mukaida, Yutaka Yoshida, Shigeru Horii, Ryusuke Kita

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The crystal defects of 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. Critical current densities Jc of the HTS films were dramatically improved by APCs whose dimensions were controlled. By this method, the in-field Jc (77 K) of the high-quality, epitaxial films was improved by one order of magnitude or more compared with the values of the past. A current outline of the research is described in this paper.

Original languageEnglish
Article number5153240
Pages (from-to)3248-3253
Number of pages6
JournalIEEE Transactions on Applied Superconductivity
Issue number3
Publication statusPublished - 2009 Jun
Externally publishedYes


  • High-temperature superconductor
  • Nanotech- nology
  • Superconducting films
  • Superconducting materials

ASJC Scopus subject areas

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


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