Muon Knight shift study of pseudogap state in underdoped (Bi,Pb)2201

M. Miyazaki, R. Kadono, M. Hiraishi, K. H. Satoh, S. Takeshita, A. Koda, Y. Fukunaga, Y. Tanabe, T. Adachi, Y. Koike

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

We performed zero-field muon spin rotation/relaxation (ZF-μSR) measurements on high-quality single-crystalline samples of Bi 1.76Pb0.35Sr1.89CuO6+δ [(Bi,Pb)2201] over a wide doping region controlled by oxygen depletion (δ). We find that there is no static magnetic order above ∼2 K in any of these samples including underdoped samples. The absence of slow antiferromagnetic fluctuation in the underdoped region allows reliable muon Knight shift measurements, which provides a direct evidence of reduced density of states at lower temperatures or "pseudogap".

Original languageEnglish
Pages (from-to)S55-S56
JournalPhysica C: Superconductivity and its applications
Volume470
Issue numberSUPPL.1
DOIs
Publication statusPublished - 2010 Dec

Keywords

  • Cupurate
  • Magnetism
  • NQR
  • Pseudogap
  • Superconductivity
  • μSR

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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