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@ARTICLE{Song:878267,
      author       = {Song, Dongsheng and Liu, Heng‐Jui and Kovács, András
                      and Dunin‐Borkowski, Rafal E. and Chu, Ying‐Hao and Zhu,
                      Jing},
      title        = {{O}bservation of oxygen pyramid tilting induced
                      polarization rotation in strained {B}i{F}e{O}3 thin film},
      journal      = {Journal of the American Ceramic Society},
      volume       = {103},
      number       = {4},
      issn         = {1551-2916},
      address      = {Westerville, Ohio},
      publisher    = {Soc.},
      reportid     = {FZJ-2020-02736},
      pages        = {2828 - 2834},
      year         = {2020},
      abstract     = {Oxygen octahedral tilting has been recognized to strongly
                      interact with spin, charge, orbital, and lattice degrees of
                      freedom in perovskite oxides. Here, we observe a
                      strain‐driven stripe‐like morphology of two
                      supertetragonal (monoclinic Cc and Cm) phases in the
                      strained BiFeO3/LaAlO3 thin films. The two supertetragonal
                      phases have a similar giant axial ratio but differences in
                      oxygen pyramid tilting mode. Especially, the competition
                      between polar instability and oxygen pyramid tilting is
                      identified using atomically resolved scanning transmission
                      electron microscopy, leading to the polarization rotation
                      across the phase boundary. In addition, microtwins are
                      observed in the Cc phase. Our findings provide new insights
                      of the coupling between ferroelectric polarization and
                      oxygen pyramid tilting in oxide thin films and will help to
                      design novel phase morphology with desirable ferroelectric
                      polarization and properties for new applications in
                      perovskite oxides.},
      cin          = {ER-C-1},
      ddc          = {660},
      cid          = {I:(DE-Juel1)ER-C-1-20170209},
      pnm          = {143 - Controlling Configuration-Based Phenomena (POF3-143)
                      / IMAGINE - Imaging Magnetism in Nanostructures using
                      Electron Holography (320832)},
      pid          = {G:(DE-HGF)POF3-143 / G:(EU-Grant)320832},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000502396000001},
      doi          = {10.1111/jace.16937},
      url          = {https://juser.fz-juelich.de/record/878267},
}