Field-induced magnetic order in the singlet-ground-state magnet CsFeCl3

Mitsuru Toda, Yutaka Fujii, Shinji Kawano, Takao Goto, Meiro Chiba, Shizumasa Ueda, Kenji Nakajima, Kazuhisa Kakurai, Jens Klenke, Ralf Feyerherm, Matthias Meschke, Hans Anton Graf, and Michael Steiner
Phys. Rev. B 71, 224426 – Published 29 June 2005

Abstract

The field-induced magnetic order in the singlet-ground-state system CsFeCl3 (Hc) has been studied by the measurements of the magnetization M (the ferromagnetic component along the c axis) and the magnetic neutron scattering from M (the antiferromagnetic component in the c plane). The field dependence of M has clearly shown that the field-induced ordered phase is described by the order parameter Sx (M=gμBSx). The development of the spin correlation and the incommensurate-commensurate phase transition have been observed in the field region of 5T<H<6T, and the comparison has been made with the phase boundary at H10T (H>Hc). Two possible magnetic configurations have been suggested for the commensurate three dimensional long-ranged order phase. The frustration and the magnetostriction effects have been discussed.

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  • Received 19 October 2003

DOI:https://doi.org/10.1103/PhysRevB.71.224426

©2005 American Physical Society

Authors & Affiliations

Mitsuru Toda1,*, Yutaka Fujii2, Shinji Kawano3, Takao Goto4, Meiro Chiba2, Shizumasa Ueda5, Kenji Nakajima6, Kazuhisa Kakurai7, Jens Klenke8, Ralf Feyerherm8, Matthias Meschke8, Hans Anton Graf8, and Michael Steiner8

  • 1Research Center for Development of Far-Infrared Region, University of Fukui, Fukui 910-8507, Japan
  • 2Department of Applied Physics, University of Fukui, Fukui 910-8507, Japan
  • 3Research Reactor Institute, Kyoto University, Kumatori 590-0494, Japan
  • 4Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606-8501, Japan
  • 5Institute of Advanced Energy, Kyoto University, Uji, Kyoto 611-0011, Japan
  • 6Center for Neutron Science, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan
  • 7Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319-1195, Japan
  • 8BENSC, Hahn-Meitner-Institut Berlin, D-14109 Berlin, Germany

  • *Electronic address: toda@fir.fukui-u.ac.jp.

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Vol. 71, Iss. 22 — 1 June 2005

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