Measurements of magnetic fields of levitated bulk superconductors

N. Yamachi, T. Nishikawa, M. Tomita, K. Sawa, M. Murakami

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We have measured the magnetic field and the levitation force of bulk Y-Ba-Cu-O superconductors as a function of their levitation height which was controlled by the magnetic field generated from the Bi-Sr-Ca-Cu-O superconducting magnet. The height dependence of the levitation force could well be explained in terms of the field gradient in the sample and radial component of magnetic field. Comparative study of three bulk samples with different dimensions showed that the diameter was more important than the thickness for the enhancement of the levitation force.

Original languageEnglish
Pages (from-to)877-882
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume378-381
Issue numberPART 1
DOIs
Publication statusPublished - 2002 Oct 1
Externally publishedYes

Keywords

  • Bulk YBCO superconductors
  • Field distribution
  • Levitation force

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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