E-J characteristics of NdBa2Cu3O7-δ bulk superconductor determined with ac susceptibility

K. Inoue, N. Sakai, K. Waki, M. Murakami

研究成果: Article査読

9 被引用数 (Scopus)


Electric field (E)-current (J) characteristics of the NdBa2Cu3O7-δ (Nd-123) bulk superconductor have been investigated by measuring the third harmonic ac susceptibility. They were compared with E-J characteristics determined with the dc magnetization measurements and magnetic relaxation methods. The n value was estimated on the assumption that E follows the power law: E ∼ Jn. We found that the sample, which has the larger secondary peak on the Jc-B curve, exhibits the more remarkable peak structure on the magnetic field dependence of the n value.

ジャーナルPhysica C: Superconductivity and its applications
出版ステータスPublished - 2001 1 1

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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