Local voltage-current characteristics in high superconductors

D. Giller, Y. Abulafia, R. Prozorov, Y. Wolfus, A. Shaulov, Y. Yeshurun

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


Local electric field versus current density (Formula presented) curves were measured in (Formula presented) and (Formula presented) single crystals using a miniature Hall-sensors array. Measurements in the field range corresponding to the anomalous magnetization peak in these crystals reveal remarkably different (Formula presented) characteristics below and above the peak, indicating a crossover in the flux-creep mechanism. Similar (Formula presented) behavior, as observed here in (Formula presented) and (Formula presented) is expected universally in every superconductor exhibiting the anomalous peak.

Original languageEnglish
Pages (from-to)R14080-R14083
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number22
StatePublished - 1998


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