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@ARTICLE{Shen:868050,
      author       = {Shen, Yao and Liu, Changle and Qin, Yayuan and Shen,
                      Shoudong and Li, Yao-Dong and Bewley, Robert and
                      Schneidewind, Astrid and Chen, Gang and Zhao, Jun},
      title        = {{I}ntertwined dipolar and multipolar order in the
                      triangular-lattice magnet {T}m{M}g{G}a{O}4},
      journal      = {Nature Communications},
      volume       = {10},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2019-06643},
      pages        = {4530},
      year         = {2019},
      abstract     = {A phase transition is often accompanied by the appearance
                      of an order parameter and symmetry breaking. Certain
                      magnetic materials exhibit exotic hidden-order phases, in
                      which the order parameters are not directly accessible to
                      conventional magnetic measurements. Thus, experimental
                      identification and theoretical understanding of a hidden
                      order are difficult. Here we combine neutron scattering and
                      thermodynamic probes to study the newly discovered
                      rare-earth triangular-lattice magnet TmMgGaO4. Clear
                      magnetic Bragg peaks at K points are observed in the elastic
                      neutron diffraction measurements. More interesting, however,
                      is the observation of sharp and highly dispersive spin
                      excitations that cannot be explained by a magnetic dipolar
                      order, but instead is the direct consequence of the
                      underlying multipolar order that is “hidden” in the
                      neutron diffraction experiments. We demonstrate that the
                      observed unusual spin correlations and thermodynamics can be
                      accurately described by a transverse field Ising model on
                      the triangular lattice with an intertwined dipolar and
                      ferro-multipolar order.},
      cin          = {JCNS-FRM-II / MLZ},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 / I:(DE-588b)4597118-3},
      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)PANDA-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31594940},
      UT           = {WOS:000489100900001},
      doi          = {10.1038/s41467-019-12410-3},
      url          = {https://juser.fz-juelich.de/record/868050},
}