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@ARTICLE{Wei:817861,
      author       = {Wei, Xian-Kui and Jia, Chun-Lin and Sluka, Tomas and Wang,
                      Bi-Xia and Ye, Zuo-Guang and Setter, Nava},
      title        = {{N}éel-like domain walls in ferroelectric
                      {P}b({Z}r,{T}i){O}$_{3}$ single crystals},
      journal      = {Nature Communications},
      volume       = {7},
      issn         = {2041-1723},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2016-04469},
      pages        = {12385},
      year         = {2016},
      abstract     = {In contrast to the flexible rotation of magnetization
                      direction in ferromagnets, the spontaneous polarization in
                      ferroelectric materials is highly confined along the
                      symmetry-allowed directions. Accordingly, chirality at
                      ferroelectric domain walls was treated only at the
                      theoretical level and its real appearance is still a
                      mystery. Here we report a Néel-like domain wall imaged by
                      atom-resolved transmission electron microscopy in Ti-rich
                      ferroelectric Pb(Zr1−xTix)O3 crystals, where
                      nanometre-scale monoclinic order coexists with the
                      tetragonal order. The formation of such domain walls is
                      interpreted in the light of polarization discontinuity and
                      clamping effects at phase boundaries between the nesting
                      domains. Phase-field simulation confirms that the
                      coexistence of both phases as encountered near the
                      morphotropic phase boundary promotes the polarization to
                      rotate in a continuous manner. Our results provide a further
                      insight into the complex domain configuration in
                      ferroelectrics, and establish a foundation towards exploring
                      chiral domain walls in ferroelectrics.},
      cin          = {PGI-5},
      ddc          = {500},
      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:000381772500001},
      pubmed       = {pmid:27539075},
      doi          = {10.1038/ncomms12385},
      url          = {https://juser.fz-juelich.de/record/817861},
}