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@ARTICLE{Li:837875,
      author       = {Li, Zi-An and Zheng, Fengshan and Tavabi, Amir Hossein and
                      Caron, Jan and Jin, Chiming and Du, Haifeng and Kovacs,
                      Andras and Tian, Mingliang and Farle, Michael and
                      Dunin-Borkowski, Rafal},
      title        = {{M}agnetic {S}kyrmion {F}ormation at {L}attice {D}efects
                      and {G}rain {B}oundaries {S}tudied by {Q}uantitative
                      {O}ff-{A}xis {E}lectron {H}olography},
      journal      = {Nano letters},
      volume       = {17},
      number       = {3},
      issn         = {1530-6984},
      address      = {Washington, DC},
      publisher    = {ACS Publ.},
      reportid     = {FZJ-2017-06646},
      pages        = {1395 - 1401},
      year         = {2017},
      abstract     = {We use in situ Lorentz microscopy and off-axis electron
                      holography to investigate the formation and characteristics
                      of skyrmion lattice defects and their relationship to the
                      underlying crystallographic structure of a B20 FeGe thin
                      film. We obtain experimental measurements of spin
                      configurations at grain boundaries, which reveal inversions
                      of crystallographic and magnetic chirality across adjacent
                      grains, resulting in the formation of interface spin stripes
                      at the grain boundaries. In the absence of material defects,
                      we observe that skyrmions lattices possess dislocations and
                      domain boundaries, in analogy to atomic crystals. Moreover,
                      the distorted skyrmions can flexibly change their size and
                      shape to accommodate local geometry, especially at sites of
                      dislocations in the skyrmion lattice. Our findings provide a
                      detailed understanding of the elasticity of topologically
                      protected skyrmions and their correlation with underlying
                      material defects.},
      cin          = {ER-C-1 / PGI-5},
      ddc          = {540},
      cid          = {I:(DE-Juel1)ER-C-1-20170209 / 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},
      pubmed       = {pmid:28125235},
      UT           = {WOS:000396185800012},
      doi          = {10.1021/acs.nanolett.6b04280},
      url          = {https://juser.fz-juelich.de/record/837875},
}