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@ARTICLE{Forbes:189430,
      author       = {Forbes, B. D. and Houben, L. and Mayer, J. and
                      Dunin-Borkowski, Rafal and Allen, L. J.},
      title        = {{E}lemental mapping in achromatic atomic-resolution
                      energy-filtered transmission electron microscopy},
      journal      = {Ultramicroscopy},
      volume       = {147},
      issn         = {0304-3991},
      address      = {Amsterdam},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2015-02597},
      pages        = {98 - 105},
      year         = {2014},
      abstract     = {We present atomic-resolution energy-filtered transmission
                      electron microscopy (EFTEM) images obtained with the
                      chromatic-aberration-corrected FEI Titan PICO at the
                      Ernst-Ruska Centre, Jülich, Germany. We find qualitative
                      agreement between experiment and simulation for the
                      background-subtracted EFTEM images of the Ti–L2,3 and
                      O–K edges for a specimen of SrTiO3 oriented down the [110]
                      zone axis. The simulations utilize the transition potential
                      formulation for inelastic scattering, which permits a
                      detailed investigation of contributions to the EFTEM image.
                      We find that energy-filtered images of the Ti–L2,3 and
                      O–K edges are lattice images and that the
                      background-subtracted core-loss maps may not be directly
                      interpretable as elemental maps. Simulations show that this
                      is a result of preservation of elastic contrast, whereby the
                      qualitative details of the image are determined primarily by
                      elastic, coherent scattering. We show that this effect
                      places a constraint on the range of specimen thicknesses
                      which could theoretically yield directly useful elemental
                      maps. In general, interpretation of EFTEM images is ideally
                      accompanied by detailed simulations.},
      cin          = {PGI-5},
      ddc          = {570},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {42G - Peter Grünberg-Centre (PG-C) (POF2-42G41)},
      pid          = {G:(DE-HGF)POF2-42G41},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000343157400011},
      doi          = {10.1016/j.ultramic.2014.07.002},
      url          = {https://juser.fz-juelich.de/record/189430},
}