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

被引:9
|
作者
Walker, H. C. [1 ,6 ]
McEwen, K. A. [1 ,6 ]
McMorrow, D. F. [1 ,6 ]
Bleckmann, M. [5 ]
Park, J. -G. [2 ,7 ]
Lee, S. [2 ,7 ]
Iga, F. [3 ]
Mannix, D. [4 ]
机构
[1] UCL, Dept Phys & Astron, London WC1E 6BT, England
[2] Sungkyunkwan Univ, Dept Phys, Suwon 440746, South Korea
[3] Hiroshima Univ, Sch Adv Sci Matter, Dept Quantum Matter, Higashihiroshima 7398530, Japan
[4] European Synchrotron Radiat Facil, XMaS Beamline, F-38043 Grenoble, France
[5] TU Braunschweig, Inst Condensed Matter Phys, D-38106 Braunschweig, Germany
[6] UCL, London Ctr Nanotechnol, London WC1E 6BT, England
[7] Sungkyunkwan Univ, Inst Basic Sci, Suwon 440746, South Korea
来源
PHYSICAL REVIEW B | 2009年 / 79卷 / 05期
基金
英国工程与自然科学研究理事会;
关键词
commensurate-incommensurate transformations; magnetic structure; magnetic transitions; neutron diffraction; praseodymium compounds; X-ray scattering; POLARIZATION DEPENDENCE; PHASE-DIAGRAM; CEB6; CRYSTAL; FIELDS; NDB6;
D O I
10.1103/PhysRevB.79.054402
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
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.
引用
收藏
页数:8
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