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@ARTICLE{Li:19306,
      author       = {Li, H. and Yan, J.-Q. and Kim, J. W. and McCallum, R. W.
                      and Lograsso, T. A. and Vaknin, D.},
      title        = {{A}nisotropic magnetoelastic coupling in single-crystalline
                      {C}e{F}e{A}s{O} as seen via high-resolution x-ray
                      diffraction},
      journal      = {Physical review / B},
      volume       = {84},
      number       = {22},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-19306},
      pages        = {220501},
      year         = {2011},
      note         = {Research at Ames Laboratory is supported by the US
                      Department of Energy, Office of Basic Energy Sciences,
                      Division of Materials Sciences and Engineering under
                      Contract No. DE-AC02-07CH11358. Use of the Advanced Photon
                      Source at Argonne National Laboratory was supported by the
                      US Department of Energy, Office of Science, Office of Basic
                      Energy Sciences, under Contract No. DE-AC02-06CH11357.},
      abstract     = {Single-crystal synchrotron x-ray diffraction studies of
                      CeFeAsO reveal strong anisotropy in the charge-correlation
                      lengths along or perpendicular to the in-plane
                      antiferromagnetic (AFM) wave vector at low temperatures,
                      indicating an anisotropic two-dimensional magnetoelastic
                      coupling. The high-resolution setup allows to distinctly
                      monitor each of the twin domains by virtue of a finite
                      misfit angle between them that follows the order parameter.
                      In addition, we find that the in-plane correlations, above
                      the orthorhombic (O)-to-tetragonal (T) transition, are
                      shorter than those in each of the domains in the AFM phase,
                      indicating a distribution of the in-plane lattice constants.
                      This strongly suggests that the phase above the structural
                      O-to-T transition is virtually T with strong O-T
                      fluctuations that are probably induced by spin
                      fluctuations.},
      keywords     = {J (WoSType)},
      cin          = {PGI-4 / JCNS-2 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-4-20110106 / I:(DE-Juel1)JCNS-2-20110106 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {Grundlagen für zukünftige Informationstechnologien /
                      Großgeräte für die Forschung mit Photonen, Neutronen und
                      Ionen (PNI)},
      pid          = {G:(DE-Juel1)FUEK412 / G:(DE-Juel1)FUEK415},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000297549700002},
      doi          = {10.1103/PhysRevB.84.220501},
      url          = {https://juser.fz-juelich.de/record/19306},
}