Modification of flux pinning properties of RE-Ba-Cu-O superconductor by irradiation

Noriko Chikumoto, Marcin Konczykowski, Takayuki Terai, Masato Murakami

Research output: Contribution to journalConference articlepeer-review

9 Citations (Scopus)


The effects of fast neutron irradiation and heavy-ion irradiation on the magnetization of RE-Ba-Cu-O single crystals were studied. The fast neutron irradiation introduces spherical cascade defects, whereas the heavy-ion irradiation creates columnar defects which penetrate throughout the sample. In both cases, we observed the enhancement of the magnetic hysteresis width and the reduction of the normalized creep rate, which implies the induced defects work effectively as pinning centres. However, we found there are some differences in the magnetization behaviour between the neutron-irradiated and the heavy-ion-irradiated samples, which may be explained in terms of differences in the defect morphology.

Original languageEnglish
Pages (from-to)749-752
Number of pages4
JournalSuperconductor Science and Technology
Issue number6
Publication statusPublished - 2000 Jun 1
Externally publishedYes
EventThe 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn
Duration: 1999 Oct 191999 Oct 22

ASJC Scopus subject areas

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


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