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@ARTICLE{Tusche:866484,
      author       = {Tusche, Christian and Chen, Ying-Jiun and Schneider, Claus
                      M. and Kirschner, Jürgen},
      title        = {{I}maging properties of hemispherical electrostatic energy
                      analyzers for high resolution momentum microscopy},
      journal      = {Ultramicroscopy},
      volume       = {206},
      issn         = {0304-3991},
      address      = {Amsterdam},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2019-05586},
      pages        = {112815 -},
      year         = {2019},
      abstract     = {Hemispherical deflection analyzers are the most widely used
                      energy filters for state-of-the-art electron spectroscopy.
                      Due to the high spherical symmetry, they are also well
                      suited as imaging energy filters for electron microscopy.
                      Here, we review the imaging properties of hemispherical
                      deflection analyzers with emphasis on the application for
                      cathode lens microscopy. In particular, it turns out that
                      aberrations, in general limiting the image resolution,
                      cancel out at the entrance and exit of the analyzer. This
                      finding allows more compact imaging energy filters for
                      momentum microscopy or photoelectron emission microscopy.
                      For instance, high resolution imaging is possible, using
                      only a single hemisphere. Conversely, a double pass
                      hemispherical analyzer can double the energy dispersion,
                      which means it can double the energy resolution at certain
                      transmission, or can multiply the transmission at certain
                      energy resolution.},
      cin          = {PGI-6},
      ddc          = {570},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {522 - Controlling Spin-Based Phenomena (POF3-522)},
      pid          = {G:(DE-HGF)POF3-522},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31325896},
      UT           = {WOS:000500325600010},
      doi          = {10.1016/j.ultramic.2019.112815},
      url          = {https://juser.fz-juelich.de/record/866484},
}