Magnetization behavior of MgB2 and the effect of high energy heavy-ion irradiation

Noriko Chikumoto, Ayako Yamamoto, Marcin Konczykowski, Masato Murakami

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Magnetic properties of high-density bulk MgB2 superconductors synthesized under high pressure were investigated. All the samples exhibited a sharp superconducting transition at 39 K, showing that they are good in quality. Isothermal magnetization curves showed a monotonic decay of the hysteresis width with field. The heavy-ion irradiation (5.8 GeV Pb-ion) was found to increase the critical current density at high magnetic fields.

Original languageEnglish
Pages (from-to)466-469
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume378-381
Issue numberPART 1
DOIs
Publication statusPublished - 2002 Oct 1

Keywords

  • Critical current density
  • Heavy-ion irradiation
  • Magneto-optical image
  • 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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