Hole-doping and magnetic-field effects on the pseudogap in Bi 1.74Pb0.38Sr1.88CuO6+δ studied by the out-of-plane resistivity

K. Kudo, Y. Miyoshi, T. Sasaki, N. Kobayashi

Research output: Contribution to journalConference article

17 Citations (Scopus)

Abstract

Two kinds of pseudogap temperatures T* and T** are deduced from the out-of-plane resistivity of Bi1.74Pb 0.38Sr1.88CuO6+δ in magnetic fields up to 27 T. The pseudogap formed at T* is independent of the magnetic field, while another pseudogap at T** is suppressed by the application of magnetic fields. Taking into account that hole-concentration and magnetic-field dependences of T** resemble those of the superconducting transition temperature Tc, the pseudogap temperature correlating to the superconducting gap is not T* but T**.

Original languageEnglish
Pages (from-to)251-256
Number of pages6
JournalPhysica C: Superconductivity and its applications
Volume426-431
Issue numberI
DOIs
Publication statusPublished - Oct 1 2005
Externally publishedYes
EventProceedings of the 17th International Symposium on Superconductivity (ISS 2004) Advances in Supeconductivity -
Duration: Nov 23 2004Nov 25 2004

Keywords

  • Bi-based cuprates
  • Bi2201
  • Out-of-plane resistivity
  • Pseudogap

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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