Frustration and magnetism of the zigzag chain compounds Eu$L$${}_{2}$O${}_{4}$ ($L=$ Yb, Lu, Gd, Eu)

Frustration and magnetism of the zigzag chain compounds Eu $L$ $_{2}$ O $_{4}$ ( $L =$ Yb, Lu, Gd, Eu)

Oren Ofer, Jun Sugiyama, Jess H. Brewer, Eduardo J. Ansaldo, Martin Månsson, Kim H. Chow, Kazuya Kamazawa, Yoshihiro Doi, and Yukio Hinatsu

Phys. Rev. B 84, 054428 – Published 9 August 2011

Abstract

We present muon-spin rotation/relaxation and susceptibility measurements on polycrystalline samples of Eu $L_{2}$ O $_{4}$ , where $L$ is the lanthanide Yb, Lu, Gd, or Eu. The magnetic phase of these quasi-one-dimensional zigzag chain compounds is characterized with respect to the difference in their lanthanide magnetic moment. We find that the magnetic phase varies systematically with the lanthanide magnetic moment. At zero lanthanide moments (EuLu $_{2}$ O $_{4}$ ), we find a static antiferromagnetic phase; as the moment increases, the phase gradually changes to an incommensurate spin-density-wave ordered phase, and finally reaches a dynamic phase, when large lanthanide magnetic moments are present (EuGd $_{2}$ O $_{4}$ ).

Received 15 June 2011

DOI:https://doi.org/10.1103/PhysRevB.84.054428

Authors & Affiliations

Oren Ofer^1,*, Jun Sugiyama², Jess H. Brewer³, Eduardo J. Ansaldo⁴, Martin Månsson^5,6, Kim H. Chow⁷, Kazuya Kamazawa^2,†, Yoshihiro Doi⁸, and Yukio Hinatsu⁸

¹TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, Canada V6T 2A3
²Toyota Central Research and Development Laboratories Inc., Nagakute, Aichi 480-1192, Japan
³Department of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z1
⁴Department of Physics, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N 0W0
⁵Laboratory for Neutron Scattering, ETH Zürich and Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
⁶Laboratory for Solid State Physics, ETH Zürich, CH-8093 Zürich, Switzerland
⁷Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2G7
⁸Division of Chemistry, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan

^*oren@triumf.ca
^†Present address: Research Center for Neutron Science and Technology, Comprehensive Research Organization for Science and Society, Tokai, Ibaraki 319-1106, Japan, and J-PARC Center, JAEA, Tokai, Ibaraki 319-1195, Japan.

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Vol. 84, Iss. 5 — 1 August 2011

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