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@ARTICLE{Qureshi:171944,
      author       = {Qureshi, N. and Lee, C. H. and Kihou, K. and Schmalzl, K.
                      and Steffens, P. and Braden, M.},
      title        = {{A}nisotropy of incommensurate magnetic excitations in
                      slightly overdoped
                      ${\mathrm{{B}a}}_{0.5}{\mathrm{{K}}}_{0.5}{\mathrm{{F}e}}_{2}{\mathrm{{A}s}}_{2}$
                      probed by polarized inelastic neutron scattering
                      experiments},
      journal      = {Physical review / B},
      volume       = {90},
      number       = {10},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2014-05498},
      pages        = {100502},
      year         = {2014},
      abstract     = {Polarized neutron scattering experiments on the slightly
                      overdoped superconductor Ba0.5K0.5Fe2As2 reveal broad
                      magnetic resonance scattering peaking at approximately 15
                      meV. In spite of doping far beyond the suppression of
                      magnetic order, this compound exhibits dispersive and
                      anisotropic magnetic excitations. At energies below the
                      resonance maximum, magnetic correlations polarized parallel
                      to the layers but perpendicular to the propagation vector
                      are reduced by a factor of 2 compared to those in the two
                      orthogonal directions; in contrast, correlations at the peak
                      maximum are isotropic},
      cin          = {JCNS-2 / PGI-4 / JARA-FIT / JCNS-ILL},
      ddc          = {530},
      cid          = {I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
                      $I:(DE-82)080009_20140620$ / I:(DE-Juel1)JCNS-ILL-20110128},
      pnm          = {422 - Spin-based and quantum information (POF2-422) / 424 -
                      Exploratory materials and phenomena (POF2-424) / 542 -
                      Neutrons (POF2-542) / 544 - In-house Research with PNI
                      (POF2-544) / 54G - JCNS (POF2-54G24)},
      pid          = {G:(DE-HGF)POF2-422 / G:(DE-HGF)POF2-424 /
                      G:(DE-HGF)POF2-542 / G:(DE-HGF)POF2-544 /
                      G:(DE-HGF)POF2-54G24},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000341262200003},
      doi          = {10.1103/PhysRevB.90.100502},
      url          = {https://juser.fz-juelich.de/record/171944},
}