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@ARTICLE{Wei:850853,
      author       = {Wei, Xiankui and Yang, Yurong and McGilly, Leo J. and
                      Feigl, Ludwig and Dunin-Borkowski, Rafal and Jia, Chun-Lin
                      and Bellaiche, Laurent and Setter, Nava},
      title        = {{F}lexible polarization rotation at the ferroelectric/metal
                      interface as a seed for domain nucleation},
      journal      = {Physical review / B},
      volume       = {98},
      number       = {2},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2018-04613},
      pages        = {020102},
      year         = {2018},
      abstract     = {The absence of a realistic polarization screening scenario
                      at the pivotal ferroelectric-metal interface impedes the
                      widespread application of low-dimensional ferroelectric
                      heterostructures. Employing quantitative atom-resolved
                      (scanning) transmission electron microscopy and
                      first-principles calculations, we report that structural and
                      chemical reconstruction universally lowers symmetry of the
                      ferroelectric-metal interface. Irrespective of structural
                      and strain mismatch, chemical termination and diffusion,
                      polar catastrophe, and electrode type, the polarization
                      screening is executed by a flexible polarization rotation at
                      several-unit-cell-thick interfaces. By combining nanoscale
                      and atomic-scale microscopy investigations, our ex situ
                      electric-field biasing experiments reveal that the
                      monoclinically distorted interfaces may act as seeds to
                      nucleate new domains during the polarization switching
                      process. These findings suggest that the long-standing
                      fatigue issue is expected to be overcome by interface
                      modification engineering at the monolayer scale.},
      cin          = {PGI-5 / ER-C-1},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-5-20110106 / I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000439973300001},
      doi          = {10.1103/PhysRevB.98.020102},
      url          = {https://juser.fz-juelich.de/record/850853},
}