Possibility of an ordered state of spins and holes in single-crystal La2-xSrxCu1-yZnyO4 (x = 0.21, y = 0 and 0.01) studied by μSR

I. Watanabe, M. Aoyama, M. Akoshima, T. Kawamata, T. Adachi, Y. Koike, S. Ohira, W. Higemoto, K. Nagamine

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23 Citations (Scopus)

Abstract

Zero-field (ZF) and longitudinal-field (LF) muon spin relaxation (μSR) measurements have been carried out in the overdoped single crystals of La2-xSrxCu1-yZnyO4 with x = 0.21, y = 0 and 0.01. In the case of the Zn-substituted crystal with x = 0.21 and y = 0.01 in which the high-Tc superconductivity is almost suppressed, the ZF- and LF-μSR measurements have revealed the existence of a static ordered state of Cu spins at low temperatures below 2 K. No clear coherent precession of the muon spin has been observed down to 20 mK. Slowing down of the Cu-spin fluctuations has also been observed in the non-Zn-substituted crystal with x = 0.21 and y = 0 at low temperatures below about 0.8 K in ZF, indicating that the observed magnetic anomaly is an intrinsic property at x = 0.21. These μSR results suggest a strong possibility of the existence of a spin/charge ordered state at x = 0.21 in the overdoped region.

Original languageEnglish
Article number0R1198
Pages (from-to)R11985-R11988
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume62
Issue number18
DOIs
Publication statusPublished - 2000 Nov 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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