Spin correlations in electron-doped high-Tc superconductor

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Abstract

Spin correlations in the electron-doped Pr1 - x LaCex CuO4 have been investigated by neutron-scattering and muon rotation/relaxation measurements. The low-enegy spin correlations were found to be in commensurate with the wide superconducting phase, unlike the incommensurate ones in the hole-doped La2 - x Srx CuO4. No enhancement of the magnetic order by impurity-doping and applying magnetic fields was observed, although the superconductivity is effectively suppressed, compared to that in the hole-doped system. Distinct impurity and magnetic field effects between the static spin correlation in the electron-doped system and those in the hole-doped systems suggest the different magnetic ground state in the two systems.

Original languageEnglish
Pages (from-to)2035-2038
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume68
Issue number11
DOIs
Publication statusPublished - 2007 Nov 1

Keywords

  • C. Neutron-scattering
  • D. μSR measurements

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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