Structure and magnetism of the layered ruthenocuprate Pb2RuSr2Cu2O8Cl

Abbie McLaughlin, J A McAllister, L D Stout, J P Attfield

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Abstract

The crystal structure and magnetism of the layered ruthenocuprate Pb2RuSr2Cu2O8Cl have been studied. A powder neutron diffraction study reveals that the crystal structure is tetragonal (space group P4/mmm, a=3.866 81(9) Angstrom, c=15.3699(8) Angstrom at 295 K) with disordered rotations and tilts of the RuO6 octahedra with no structural transitions down to 10 K. A magnetic transition to a canted antiferromagnetic state occurs at T-M=117 K, and the ordered Ru moment is 1.1(1)mu(B), at 10 K from Rietveld analysis of neutron data. A spin-flop or metamagnetic transition is observed above a field of 0.5 T, and the saturated ferromagnetic Ru moment is 0.5mu(B)-0.8mu(B). The sample is not superconducting.

Original languageEnglish
Pages (from-to)172506-172509
Number of pages4
JournalPhysical Review B Condensed Matter and Materials Physics
Volume65
Issue number17
DOIs
Publication statusPublished - 1 May 2002

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Keywords

  • FERROMAGNETIC SUPERCONDUCTOR RUSR2GDCU2O8
  • SEPARATING LAYER
  • GD
  • COEXISTENCE
  • CUPRATE
  • EU

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