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@ARTICLE{Barthel:1040927,
      author       = {Barthel, Juri and Allen, Leslie J.},
      title        = {{P}racticable model for phonon spectroscopy at atomic
                      resolution in scanning transmission electron microscopy for
                      thick crystalline specimens},
      journal      = {Physical review / B},
      volume       = {111},
      number       = {5},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2025-02057},
      pages        = {054119},
      year         = {2025},
      abstract     = {We generalize a recently proposed theory for atomic
                      resolution phonon spectroscopy in scanning transmission
                      electron microscopy, which explicitly includes the
                      dependence of the spectrum on probe position, to apply to
                      thick specimens, where probe channeling is important. We
                      also take into account anisotropy due to atoms of the same
                      species exhibiting different vibrational modes. This
                      approach considers the contribution from individual atoms to
                      the spectrum. Simulations to explore the dependence of the
                      spectrum, in particular of its shape, on the probe position
                      and thickness are carried out for the perovskite SrTiO3,
                      which has recently been experimentally investigated, and
                      computational efficiency is discussed.},
      cin          = {ER-C-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)ER-C-2-20170209},
      pnm          = {5353 - Understanding the Structural and Functional Behavior
                      of Solid State Systems (POF4-535)},
      pid          = {G:(DE-HGF)POF4-5353},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:001447755300001},
      doi          = {10.1103/PhysRevB.111.054119},
      url          = {https://juser.fz-juelich.de/record/1040927},
}