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@ARTICLE{Inosov:906324,
      author       = {Inosov, D. S. and Avdoshenko, S. and Portnichenko, P. Y.
                      and Choi, Eun Sang and Schneidewind, A. and Mignot, J.-M.
                      and Nikolo, M.},
      title        = {{L}ocal origin of the strong field-space anisotropy in the
                      magnetic phase diagrams of {C}e 1 − x {L}a x {B} 6
                      measured in a rotating magnetic field},
      journal      = {Physical review / B},
      volume       = {103},
      number       = {21},
      issn         = {1098-0121},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2022-01374},
      pages        = {214415},
      year         = {2021},
      abstract     = {Cubic f-electron compounds commonly exhibit highly
                      anisotropic magnetic phase diagrams consisting of multiple
                      long-range ordered phases. Field-driven metamagnetic
                      transitions between them may depend not only on the
                      magnitude, but also on the direction of the applied magnetic
                      field. Examples of such behavior are plentiful among
                      rare-earth borides, such as RB6 or RB12 (R = rare earth). In
                      this work, for example, we use torque magnetometry to
                      measure anisotropic field-angular phase diagrams of La-doped
                      cerium hexaborides, Ce1−xLaxB6 (x=0,0.18,0.28,0.5). One
                      expects that field-directional anisotropy of phase
                      transitions must be impossible to understand without knowing
                      the magnetic structures of the corresponding competing
                      phases and being able to evaluate their precise
                      thermodynamic energy balance. However, this task is usually
                      beyond the reach of available theoretical approaches,
                      because the ordered phases can be noncollinear, possess
                      large magnetic unit cells, involve higher-order multipoles
                      of 4f ions rather than simple dipoles, or just lack
                      sufficient microscopic characterization. Here we demonstrate
                      that the anisotropy under field rotation can be
                      qualitatively understood on a much more basic level of
                      theory, just by considering the crystal-electric-field
                      scheme of a pair of rare-earth ions in the lattice, coupled
                      by a single nearest-neighbor exchange interaction.
                      Transitions between different crystal-field ground states,
                      calculated using this minimal model for the parent compound
                      CeB6, possess field-directional anisotropy that strikingly
                      resembles the experimental phase diagrams. This implies that
                      the anisotropy of phase transitions is of local origin and
                      is easier to describe than the ordered phases themselves.},
      cin          = {JCNS-FRM-II / MLZ / JCNS-2 / JCNS-4},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-4-20201012},
      pnm          = {632 - Materials – Quantum, Complex and Functional
                      Materials (POF4-632) / 6G4 - Jülich Centre for Neutron
                      Research (JCNS) (FZJ) (POF4-6G4)},
      pid          = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G4},
      experiment   = {EXP:(DE-MLZ)PANDA-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000661189400002},
      doi          = {10.1103/PhysRevB.103.214415},
      url          = {https://juser.fz-juelich.de/record/906324},
}