Low-field flux-flow resistivity in Bi2.2Sr2Ca0.8Cu2BO8+

R. B. Van Dover, L. F. Schneemeyer, E. M. Gyorgy, J. V. Waszczak

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Current-voltage characteristics of single crystals of the 84-K superconducting phase Bi2.2Sr2Ca0.8Cu2BO8+ show no threshold behavior in small magnetic fields at 5080 K, despite large zero-field critical currents which are only weakly field-dependent at low temperatures (<20 K). We attribute this to a low-field flux-flow resistivity which shows an empirical scaling behavior near Tc and which we can use to infer some basic properties of the superconductor. This behavior is intrinsic to Bi2.2Sr2Ca0.8Cu2BO8+ and has crucial implications for its technological potential of the compound.

Original languageEnglish
Pages (from-to)4800-4803
Number of pages4
JournalPhysical Review B
Volume39
Issue number7
DOIs
StatePublished - 1 Jan 1989

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