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@ARTICLE{Brning:903596,
      author       = {Brüning, D. and Fröhlich, T. and Gorkov, D. and
                      Císařová, I. and Skourski, Y. and Rossi, L. and Bryant,
                      B. and Wiedmann, S. and Meven, M. and Ushakov, A. and
                      Streltsov, S. V. and Khomskii, D. and Becker, P. and
                      Bohatý, L. and Braden, M. and Lorenz, T.},
      title        = {{M}ultiple field-induced phases in the frustrated
                      triangular magnet {C}s$_3${F}e$_2${B}$_ 9$},
      journal      = {Physical review / B},
      volume       = {104},
      number       = {6},
      issn         = {1098-0121},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2021-05250},
      pages        = {064418},
      year         = {2021},
      abstract     = {The recently discovered material Cs$_3$Fe$_2$Br$_9$
                      contains Fe$_2$Br$_9$ bi-octahedra forming triangular layers
                      with hexagonal stacking along the $c$ axis. In contrast to
                      isostructural Cr-based compounds, the zero-field ground
                      state is not a nonmagnetic S=0 singlet-dimer state. Instead,
                      the Fe$_2$Br$_9$ bi-octahedra host semiclassical S=5/2
                      Fe$^{3+}$ spins with a pronounced easy-axis anisotropy along
                      c, and interestingly, the intradimer spins are ordered
                      ferromagnetically. The high degree of magnetic frustration
                      due to (various) competing intradimer and interdimer
                      couplings leads to a surprisingly rich magnetic phase
                      diagram. The zero-field ground state is already reached via
                      an intermediate phase, and the high-field magnetization and
                      thermal expansion data for H∥c identify 10 different
                      ordered phases. Among them are phases with constant
                      magnetization of 1/3, respectively 1/2, of the saturation
                      value, and several transitions are strongly hysteretic with
                      pronounced length changes, reflecting strong magnetoelastic
                      coupling.},
      cin          = {JCNS-FRM-II / MLZ / JARA-FIT / JCNS-2 / PTJ-ESI},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-2-20110106 /
                      I:(DE-Juel1)PTJ-ESI-20160331},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
                      (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-MLZ)HEIDI-20140101 / EXP:(DE-MLZ)KOMPASS-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000684127200007},
      doi          = {10.1103/PhysRevB.104.064418},
      url          = {https://juser.fz-juelich.de/record/903596},
}