Transport and μSR studies at p ∼ 1/8 in the Bi-2212 and Y-123 phases

M. Akoshima, T. Noji, Y. Koike, T. Nishizaki, N. Kobayashi, I. Watanabe, K. Nagamine

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9 Citations (Scopus)

Abstract

The so-called 1/8 effect, namely, the anomalous suppression of superconductivity at the hole concentration per Cu in the CuO2 plane, p, ∼ 1/8 has been investigated in the partially Zn-substituted Bi-2212 and Y-123 phases by measuring the Hall effect and the muon spin relaxation (μSR ). The Hall angle has been found to exhibit large enhancement at p ∼ 1/8 in Bi2Sr2Ca1-xYx(Cu 1-yZny)2O8+δ with y = 0.025. In YBa2Cu3-2yZn2yO7-δ with y = 0.025, anomalous enhancement of the muon spin depolarization has been observed at p ∼ 1/8, indicating that the magnetic correlation between Cu spins is enhanced at p ∼ 1/8. These results support the stripe model and the proposition that the 1/8 effect is common to all high-Tc cuprates with the CuO2 plane.

Original languageEnglish
Pages (from-to)1163-1167
Number of pages5
JournalJournal of Low Temperature Physics
Volume117
Issue number5-6
DOIs
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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