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X-ray resonant scattering study of the structural and magnetic transitions in PrB6

Walker, HC; McEwen, KA; McMorrow, DF; Bleckmann, M; Park, JG; Lee, S; Iga, F; (2009) X-ray resonant scattering study of the structural and magnetic transitions in PrB6. PHYS REV B , 79 (5) , Article 054402. 10.1103/PhysRevB.79.054402.

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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.

Type: Article
Title: X-ray resonant scattering study of the structural and magnetic transitions in PrB6
DOI: 10.1103/PhysRevB.79.054402
Keywords: commensurate-incommensurate transformations, magnetic structure, magnetic transitions, neutron diffraction, praseodymium compounds, X-ray scattering, POLARIZATION DEPENDENCE, PHASE-DIAGRAM, CEB6, CRYSTAL, FIELDS, NDB6
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > London Centre for Nanotechnology
URI: http://discovery.ucl.ac.uk/id/eprint/133544
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