Increased Pinning Energies and Critical Current Densities in Heavy-Ion-Irradiated Bi2Sr2CaCu2O8 Single Crystals

Authors

J. A. Cutro, Massachusetts Institute of TechnologyFollow
D. A. Rudman, Lucent
Terry P. Orlando, Massachusetts Institute of TechnologyFollow
Robert B. Van Dover, Cornell UniversityFollow
Lynn Schneemeyer, Montclair State UniversityFollow
Alice E. White, Boston UniversityFollow
E.Michael Gyorgy, LucentFollow
Joseph V. Waszczak, University of WashingtonFollow
R. J. Felder, LucentFollow

Document Type

Article

Publication Date

12-1-1993

Abstract

We report a significant increase in the pinning energy of vortices in single-crystal Bi2Sr2CaCu2O8 when irradiated with heavy ions such as Ar+. This is in contrast with the results of light ion (H+, He+) irradiations which give pinning energies comparable with those of unirradiated crystals. The stronger pinning is attributed to defects larger than point defects, e.g., clusters or amorphized regions. As a result of higher pinning energies, critical currents persist at markedly higher temperatures and fields.

DOI

10.1063/1.108570

Montclair State University Digital Commons Citation

Cutro, J. A.; Rudman, D. A.; Orlando, Terry P.; Van Dover, Robert B.; Schneemeyer, Lynn; White, Alice E.; Gyorgy, E.Michael; Waszczak, Joseph V.; and Felder, R. J., "Increased Pinning Energies and Critical Current Densities in Heavy-Ion-Irradiated Bi2Sr2CaCu2O8 Single Crystals" (1993). Department of Chemistry and Biochemistry Faculty Scholarship and Creative Works. 495.
https://digitalcommons.montclair.edu/chem-biochem-facpubs/495