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@ARTICLE{Zhang:878254,
      author       = {Zhang, J. and Wang, Y.-J. and Liu, J. and Xu, J. and Wang,
                      D. and Wang, L. and Ma, X.-L. and Jia, C.-L. and Bellaiche,
                      L.},
      title        = {{O}rigin of sawtooth domain walls in ferroelectrics},
      journal      = {Physical review / B},
      volume       = {101},
      number       = {6},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2020-02723},
      pages        = {060103},
      year         = {2020},
      abstract     = {Domains and domain walls are among the key factors that
                      determine the performance of ferroelectric materials. In
                      recent years, a unique type of domain walls, i.e., the
                      sawtooth-shaped domain walls, has been observed in BiFeO3
                      and PbTiO3. Here, we build a minimal model to reveal the
                      origin of these sawtooth-shaped domain walls. Incorporating
                      this model into Monte Carlo simulations shows that (i) the
                      competition between the long-range Coulomb interaction (due
                      to bound charges) and short-range interaction (due to
                      opposite dipoles) is responsible for the formation of these
                      peculiar domain walls and (ii) their relative strength is
                      critical in determining the periodicity of these
                      sawtooth-shaped domain walls. Necessary conditions to form
                      such domain walls are also discussed.},
      cin          = {ER-C-1},
      ddc          = {530},
      cid          = {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:000515628700001},
      doi          = {10.1103/PhysRevB.101.060103},
      url          = {https://juser.fz-juelich.de/record/878254},
}