4.6 Article

Magnetic structure of EuFe2P2 studied by neutron powder diffraction

Journal

PHYSICAL REVIEW B
Volume 83, Issue 13, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.132403

Keywords

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Funding

  1. Canada Research Chairs program
  2. Natural Sciences and Engineering Research Council of Canada
  3. Fonds Quebecois de la Recherche sur la Nature et les Technologies
  4. National Basic Research Program of China [2010CB923003]
  5. National Science Foundation of China [10934005]

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A neutron powder diffraction study of EuFe2P2 at a wavelength of 2.3672(1) angstrom shows that the 6.6(3) mu(B) Eu2+ moments order ferromagnetically at T-C = 30(1) K and are canted at an angle of 17(3)degrees from the c axis. No evidence for the previously proposed antiferromagnetic or helimagnetic structures was found. The almost axial ferromagnetic structure of EuFe2P2 contrasts sharply with the planar antiferromagnetism seen in EuFe2As2 and many other europium-transition metal pnictides, suggesting a delicate interplay between the Eu 4f and transition metal 3d electrons.

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