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

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

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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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electrical resistivity
critical current
scaling
thresholds
single crystals
electric potential
magnetic fields

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Van Dover, R. B. ; Schneemeyer, Lynn ; Gyorgy, E. M. ; Waszczak, J. V. / Low-field flux-flow resistivity in Bi2.2Sr2Ca0.8Cu2BO8+. In: Physical Review B. 1989 ; Vol. 39, No. 7. pp. 4800-4803.
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Low-field flux-flow resistivity in Bi2.2Sr2Ca0.8Cu2BO8+. / Van Dover, R. B.; Schneemeyer, Lynn; Gyorgy, E. M.; Waszczak, J. V.

In: Physical Review B, Vol. 39, No. 7, 01.01.1989, p. 4800-4803.

Research output: Contribution to journalArticleResearchpeer-review

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AU - Van Dover, R. B.

AU - Schneemeyer, Lynn

AU - Gyorgy, E. M.

AU - Waszczak, J. V.

PY - 1989/1/1

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AB - 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.

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