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@ARTICLE{Jiang:188156,
      author       = {Jiang, Zhijun and Xu, Bin and Li, Fei and Wang, Dawei and
                      Jia, C.-L.},
      title        = {{E}lectric dipole sheets in
                      ${\mathrm{{B}a{T}i{O}}}_{3}/{\mathrm{{B}a{Z}r{O}}}_{3}$
                      superlattices},
      journal      = {Physical review / B},
      volume       = {91},
      number       = {1},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2015-01617},
      pages        = {014105},
      year         = {2015},
      abstract     = {We investigate two-dimensional electric dipole sheets in
                      the superlattice made of BaTiO3 and BaZrO3 using
                      first-principles-based Monte Carlo simulations and density
                      functional calculations. Electric dipole domains and complex
                      patterns are observed and complex dipole structures with
                      various symmetries (e.g., Pma2,Cmcm, and Pmc21) are further
                      confirmed by density functional calculations, which are
                      found to be almost degenerate in energy with the
                      ferroelectric ground state of the Amm2 symmetry, therefore
                      strongly resembling magnetic sheets. More complex dipole
                      patterns, including vortices and antivortices, are also
                      observed, which may constitute the intermediate states that
                      overcome the high-energy barrier of different polarization
                      orientations previously predicted by A. I. Lebedev [Phys.
                      Solid State 55, 1198 (2013)]. We also show that such system
                      possesses large electrostrictive effects that may be
                      technologically important.},
      cin          = {PGI-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)},
      pid          = {G:(DE-HGF)POF3-143},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000348153700001},
      doi          = {10.1103/PhysRevB.91.014105},
      url          = {https://juser.fz-juelich.de/record/188156},
}