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@ARTICLE{Liu:888131,
      author       = {Liu, Panpan and Klemm, Mason L. and Tian, Long and Lu,
                      Xingye and Song, Yu and Tam, David W. and Schmalzl, Karin
                      and Park, J. T. and Li, Yu and Tan, Guotai and Su, Yixi and
                      Bourdarot, Frédéric and Zhao, Yang and Lynn, Jeffery W.
                      and Birgeneau, Robert J. and Dai, Pengcheng},
      title        = {{I}n-plane uniaxial pressure-induced out-of-plane
                      antiferromagnetic moment and critical fluctuations in
                      {B}a{F}e2{A}s2},
      journal      = {Nature Communications},
      volume       = {11},
      number       = {1},
      issn         = {2041-1723},
      address      = {[London]},
      publisher    = {Nature Publishing Group UK},
      reportid     = {FZJ-2020-04705},
      pages        = {5728},
      year         = {2020},
      abstract     = {A small in-plane external uniaxial pressure has been widely
                      used as an effective method to acquire single domain iron
                      pnictide BaFe2As2, which exhibits twin-domains without
                      uniaxial strain below the tetragonal-to-orthorhombic
                      structural (nematic) transition temperature Ts. Although it
                      is generally assumed that such a pressure will not affect
                      the intrinsic electronic/magnetic properties of the system,
                      it is known to enhance the antiferromagnetic (AF) ordering
                      temperature TN ( < Ts) and create in-plane resistivity
                      anisotropy above Ts. Here we use neutron polarization
                      analysis to show that such a strain on BaFe2As2 also induces
                      a static or quasi-static out-of-plane (c-axis) AF order and
                      its associated critical spin fluctuations near TN/Ts.
                      Therefore, uniaxial pressure necessary to detwin single
                      crystals of BaFe2As2 actually rotates the easy axis of the
                      collinear AF order near TN/Ts, and such effects due to
                      spin-orbit coupling must be taken into account to unveil the
                      intrinsic electronic/magnetic properties of the system},
      cin          = {JCNS-FRM-II / JCNS-ILL / MLZ / JCNS-2 / PGI-4 / JARA-FIT},
      ddc          = {500},
      cid          = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
                      I:(DE-Juel1)JCNS-ILL-20110128 / I:(DE-588b)4597118-3 /
                      I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)
                      / 6G15 - FRM II / MLZ (POF3-6G15) / 6212 - Quantum Condensed
                      Matter: Magnetism, Superconductivity (POF3-621) / 144 -
                      Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15 /
                      G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-144},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33184278},
      UT           = {WOS:000593979700001},
      doi          = {10.1038/s41467-020-19421-5},
      url          = {https://juser.fz-juelich.de/record/888131},
}