• Rapid Communication

Logarithmic-to-nonlogarithmic flux-creep transition and magnetic-flux hardening in Bi-Sr-Ca-Cu-O superconducting ceramics

H. Safar, C. Durán, J. Guimpel, L. Civale, J. Luzuriaga, E. Rodriguez, F. de la Cruz, C. Fainstein, L. F. Schneemeyer, and J. V. Waszczak
Phys. Rev. B 40, 7380(R) – Published 1 October 1989
PDFExport Citation

Abstract

A sharp temperature- and field-dependent transition from a logarithmic to a nonlogarithmic flux-creep behavior has been found in Bi-Sr-Ca-Cu-O superconductors. The transition is not followed by any noticeable change in the magnetization. However, vibrating-reed measurements show that it coincides with a strong hardening of the magnetic structure. The transition occurs at fields and temperatures well below the reversibility line. The possible relation to the recently proposed flux lattice melting is discussed.

  • Received 10 July 1989

DOI:https://doi.org/10.1103/PhysRevB.40.7380

©1989 American Physical Society

Authors & Affiliations

H. Safar, C. Durán, J. Guimpel, L. Civale, J. Luzuriaga, E. Rodriguez, F. de la Cruz, and C. Fainstein

  • Centro Atómico Bariloche, 8400 San Carlos de Bariloche, Riiaao Negro, Argentina

L. F. Schneemeyer and J. V. Waszczak

  • AT&T Bell Laboratories, Murray Hill, New Jersey 07974

References (Subscription Required)

Click to Expand
Issue

Vol. 40, Iss. 10 — 1 October 1989

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review B

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×