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@INPROCEEDINGS{Matzen:205646,
      author       = {Matzen, Sylvia and Nesterov, Oleksiy and Rispens, Gijsbert
                      and Heuver, Jeroen and Biegalski, Michael and Christen, Hans
                      and Noheda, Beatriz},
      title        = {{S}uper switching and control of in-plane {F}erroelectric
                      {N}anodomains in strained thin {F}ilms},
      school       = {University of Groningen},
      reportid     = {PUBDB-2015-00206},
      year         = {2014},
      abstract     = {Increasing miniaturization in ferroelectrics allows
                      creating complex domain structures with novel
                      functionalities particularly interesting for the development
                      of nanoelectronic devices. Recently, exotic dipole
                      arrangements forming flux-closures have been observed to
                      occur spontaneously, mainly at crystal edges or in
                      nano-objects, but their formation remains not fully
                      understood. In this work, we use epitaxial strain in
                      PbxSr1−xTiO3 ferroelectric thin films grown on
                      (110)-DyScO3 to control a complex domain architecture at two
                      scales with a purely in-plane polarization, that can be
                      easily switched by a scanning probe. We show that periodic
                      90° a1-a2 stripe nanodomains self-organize into so-called
                      ‘superdomains’ at larger scales. Unlike previous reports
                      where significant depolarizing fields are expected to affect
                      the domain formation, our results prove that these
                      hierarchical domain arrangements, forming flux-closure
                      states, can be stabilized in extended thin films, where
                      strain-equivalent superdomains are created to emulate the
                      single-domain ground state. Importantly, despite the
                      inherent difficulty to switch in-plane polarizations, the
                      hierarchical domain organization allows the polarization to
                      be manipulated with the electric field available through a
                      scanning probe, offering promising perspectives to design
                      novel electronic devices based on thin films with vertical
                      domain walls and no effect of depolarizing field.},
      month         = {Sep},
      date          = {2014-09-15},
      organization  = {European Materials Research Society
                       Fall Meeting, Warsaw (Poland), 15 Sep
                       2014 - 19 Sep 2014},
      subtyp        = {After Call},
      cin          = {DOOR},
      cid          = {I:(DE-H253)HAS-User-20120731},
      pnm          = {PETRA Beamline P08 (POF2-54G14)},
      pid          = {G:(DE-H253)POF2-P08-20130405},
      experiment   = {EXP:(DE-H253)P-P08-20150101},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://bib-pubdb1.desy.de/record/205646},
}