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@ARTICLE{Zhou:864671,
      author       = {Zhou, Zheng and Jin, W. T. and Li, Wei and Nandi, S. and
                      Ouladdiaf, B. and Yan, Zheng and Wei, Xinyuan and Xu,
                      Xuguang and Jiao, W. H. and Qureshi, N. and Xiao, Y. and Su,
                      Y. and Cao, G. H. and Brückel, Th.},
      title        = {{U}niversal critical behavior in the ferromagnetic
                      superconductor {E}u({F}e$_{0.75}${R}u$_{0.25}$)$_2${A}s$_2$},
      journal      = {Physical review / B},
      volume       = {100},
      number       = {6},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2019-04369},
      pages        = {060406},
      year         = {2019},
      abstract     = {The study of universal critical behavior is a crucial issue
                      in a continuous phase transition, which groups various
                      critical phenomena into universality classes for revealing
                      microscopic electronic behaviors. The understanding of the
                      nature of magnetism in Eu-based ferromagnetic
                      superconductors is largely impeded by the infeasibility of
                      performing inelastic neutron scattering measurements to
                      deduce the microscopic magnetic behaviors and the effects on
                      the superconductivity, due to the significant neutron
                      absorption effect of natural 152Eu and unavailability of
                      large single crystals. However, by systematically combining
                      the neutron diffraction experiment, the first-principles
                      calculations, and the quantum Monte Carlo simulations, we
                      have obtained a perfectly consistent universal critical
                      exponent value of β=0.385(13) experimentally and
                      theoretically for Eu(Fe0.75Ru0.25)2As2, from which the
                      magnetism in the Eu-based ferromagnetic superconductors is
                      identified as the universal class of a three-dimensional
                      anisotropic quantum Heisenberg model with long-range
                      magnetic exchange coupling. This systematic study points out
                      a suitable microscopic theoretical model for describing the
                      nature of magnetism in the intriguing Eu-based ferromagnetic
                      superconductors.},
      cin          = {JCNS-FRM-II / JCNS-2 / MLZ / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-588b)4597118-3 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
                      Neutron Research (JCNS) (POF3-623)},
      pid          = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000480686000001},
      doi          = {10.1103/PhysRevB.100.060406},
      url          = {https://juser.fz-juelich.de/record/864671},
}