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@ARTICLE{Menushenkov:207188,
      author       = {Menushenkov, Alexey and Kuznetsov, A. V. and Chernikov,
                      Roman and Ivanov, Artem and Sidorov, Vladimir and
                      Klementiev, Konstantin},
      title        = {{L}ow {T}emperature {A}nharmonicity and {S}uperconductivity
                      in {C}uprates},
      journal      = {Journal of superconductivity and novel magnetism},
      volume       = {27},
      number       = {4},
      issn         = {1557-1947},
      address      = {New York, NY},
      publisher    = {Springer},
      reportid     = {PUBDB-2015-01172},
      pages        = {925 - 928},
      year         = {2014},
      note         = {(c) Springer Science+Business Media New York. Post referee
                      full text in progress.},
      abstract     = {Temperature-dependent X-ray absorption spectra of the
                      hole-doped $La_{2−x}Sr_{x} CuO_{4}$ and electron-doped
                      $Nd_{2−x} Ce _{x} CuO_{4−\delta}$ high-temperature
                      superconductors were investigated above the Cu K absorption
                      edge. We observed strong anharmonicity in the
                      superconductive $CuO_{2}$ plane. For x=0.15 it was shown
                      that part of oxygen ions oscillate in a double-well
                      potential and their vibrations are correlated with the local
                      electron (hole) pair transfer. We suppose that at a low
                      temperature the phase coherence of the local pair movement
                      is determined by the peculiarities of the perovskite-like
                      structure which includes the stiff $CuO_{n}$ (n = 4,6)
                      complexes combined by collective rotational and breathing
                      modes.},
      cin          = {DOOR / FS-PEX},
      ddc          = {530},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-PEX-20130206},
      pnm          = {DORIS Beamline C (POF2-54G13) / DORIS Beamline E4
                      (POF2-54G13)},
      pid          = {G:(DE-H253)POF2-C-20130405 / G:(DE-H253)POF2-E4-20130405},
      experiment   = {EXP:(DE-H253)D-C-20150101 / EXP:(DE-H253)D-E4-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000333209600007},
      doi          = {10.1007/s10948-013-2411-1},
      url          = {https://bib-pubdb1.desy.de/record/207188},
}