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Publication Detail
X-ray resonant scattering study of the structural and magnetic transitions in PrB6
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Article
  • Authors:
    Walker HC, McEwen KA, McMorrow DF, Bleckmann M, Park JG, Lee S, Iga F, Mannix D
  • Publisher:
    AMER PHYSICAL SOC
  • Publication date:
    02/2009
  • Journal:
    PHYS REV B
  • Volume:
    79
  • Issue:
    5
  • Article number:
    054402
  • Print ISSN:
    1098-0121
  • Language:
    EN
  • Keywords:
    commensurate-incommensurate transformations, magnetic structure, magnetic transitions, neutron diffraction, praseodymium compounds, X-ray scattering, POLARIZATION DEPENDENCE, PHASE-DIAGRAM, CEB6, CRYSTAL, FIELDS, NDB6
  • Addresses:
    Walker, HC
    UCL
    Dept Phys & Astron
    London
    WC1E 6BT
    England

    UCL
    Dept Phys & Astron
    London
    WC1E 6BT
    England

    Sungkyunkwan Univ
    Inst Basic Sci
    Suwon
    440746
    South Korea
Abstract
We have made an extensive study of PrB6 using x-ray resonant scattering to investigate both the lattice and magnetic properties. We have identified a structural distortion associated with the incommensurate to commensurate magnetic phase transition at T=4.5 K. Magnetic satellite reflections have been observed in the incommensurate and commensurate phases. The azimuthal dependence of the scattered intensity from the commensurate magnetic satellite reflection at (1/2, 5/4, 5/4) is consistent with the model for the magnetic structure deduced from earlier neutron-diffraction results. Evidence for possible quadrupolar ordering is discussed.
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