Interlayer magnetoresistance in the organic superconductor κ−(BEDT−TTF)2Cu[N(CN)2]Br near the superconducting

F. Zuo, J. A. Schlueter, Jack M. Williams

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


In this paper, we report transport measurements of interlayer magnetoresistance with field parallel and perpendicular to the current direction in the organic superconductor κ-(BEDT-TTF)2Cu[N(CN)2]Br. For H⊥J, the isothermal magnetoresistance R(H) displays a peak effect as a function of field. While the magnetoresistance at small field can be fitted to stacked Josephson junction model, the negative magnetoresistance is not consistent with quasiparticle tunneling model with a simple mean field gap. The origin for the peak effect remains unresolved. For H⊥J, R(H) increases monotonically with increasing field. Large magnetoresistance for H⊥J is consistent with the layered structure of the organic compounds.

Original languageEnglish (US)
Pages (from-to)574-580
Number of pages7
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number1
StatePublished - 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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