Effect of heavy-ion irradiation on the pinning properties of MgB2

Noriko Chikumoto, Ayako Yamamoto, Marcin Konczykowski, Masato Murakami

Research output: Contribution to journalConference article

19 Citations (Scopus)

Abstract

Pinning properties of MgB2 superconductors irradiated with 5.8 GeV Pb-ions were studied. After the irradiation, enhancement of Jc was observed at high magnetic field range. We also found a suppression of magnetic flux creep by the irradiation. These results suggest that the defects introduced by the irradiation work as effective pinning centers.

Original languageEnglish
Pages (from-to)167-168
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume388-389
DOIs
Publication statusPublished - 2003 May 1
Eventproceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: 2002 Aug 202002 Aug 27

Keywords

  • Critical current density
  • Flux creep
  • Heavy-ion irradiation
  • MgB

ASJC Scopus subject areas

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

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