Magnetic behavior of BSCCO and R123 in the vortex liquid state

N. Chikumoto, Masato Murakami

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Abstract

Detailed measurements of the temperature dependence of the magnetization of BSCCO and R123 has been carried out with a SQUID magnetometer in applied magnetic field (H∥c) ranging between 1 mT and 7 T. In both systems, we observed an anomaly, namely a clear step, just above the irreversibility temperature (Tirr) in a reversible magnetization curve. It is also found that this anomalous second step is only observed in a high magnetic field region. Comparative study of both systems suggested that the step is likely to be caused by different origins.

Original languageEnglish
Pages (from-to)534-536
Number of pages3
JournalPhysica C: Superconductivity and its Applications
Volume357-360
Issue numberSUPPL. 2
DOIs
Publication statusPublished - 2001 Aug
Externally publishedYes

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Keywords

  • BSCCO
  • Phase transition
  • R123
  • Second phase

ASJC Scopus subject areas

  • Condensed Matter Physics

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