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@ARTICLE{Campbell:29882,
      author       = {Campbell, B. J. and Sinha, S. K. and Osborn, R. and
                      Rosenkranz, S. and Mitchell, J. F. and Argyriou, D. N. and
                      Vasiliu-Doloc, L. and Seeck, O. and Lynn, J. W.},
      title        = {{P}olaronic orbital polarization in a layered colossal
                      magnetoresistive manganite},
      journal      = {Physical review / B},
      volume       = {67},
      number       = {2},
      issn         = {0163-1829},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {PreJuSER-29882},
      pages        = {020409},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The striking anisotropy observed in Huang scattering
                      distributions near the intense Bragg reflections of
                      La1.2Sr1.8Mn2O7 is shown to be the result of orbitally
                      polarized polarons in the paramagnetic insulating state
                      above T-C. X-ray single-crystal diffuse scattering patterns
                      from this bilayered colossal magnetoresistive manganite are
                      calculated in terms of the polaronic local structure and
                      compared with experimental measurements. At 300 K, the
                      polaronic e(g) electrons occupy "out-of-plane" (i.e.,
                      3z(2)-r(2)) orbitals, leading to MnO6 octahedra that are
                      Jahn-Teller elongated along the c axis, perpendicular to the
                      perovskite layers. Between 300 K and T-C, however, the
                      "orbital polarization" is shown to shift into the a-b plane
                      (i.e., 3x(2)-r(2) and 3y(2)-r(2) orbitals), allowing the
                      formation of nanoscale polaron correlations above T-C.},
      keywords     = {J (WoSType)},
      cin          = {IFF-STM},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB33},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK242},
      shelfmark    = {Physics, Condensed Matter},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000180918900011},
      doi          = {10.1103/PhysRevB.67.020409},
      url          = {https://juser.fz-juelich.de/record/29882},
}