FLUX-TRAPPING PHENOMENA IN SINTERED TUBES OF HIGH-TC SUPERCONDUCTORS

CELEBI S., LeBlanc M.

PHYSICAL REVIEW B, vol.49, no.22, pp.16009-16024, 1994 (SCI-Expanded) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 49 Issue: 22
  • Publication Date: 1994
  • Doi Number: 10.1103/physrevb.49.16009
  • Journal Name: PHYSICAL REVIEW B
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Compendex, INSPEC, zbMATH
  • Page Numbers: pp.16009-16024
  • Karadeniz Technical University Affiliated: Yes

Abstract

The remanent magnetic flux density trapped in the cavity and in the wall of sintered tubes of Y-Ba-Cu-0 and Bi-Sr-Ca-Cu-0 was measured as a function of H(cool), the axial magnetic field present during field cooling and then removed, and of H(cycle), the axial magnetic field impressed and removed after zero-field cooling. For both procedures the two specimens exhibit very different behavior. A simple critical-state model which takes into account the return field of the magnetized grains quantitatively reproduces all of our observations and the corresponding data reported by others.