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@ARTICLE{Mafakheri:837876,
      author       = {Mafakheri, E. and Tavabi, Amir Hossein and Lu, Penghan and
                      Balboni, R. and Venturi, F. and Menozzi, C. and Gazzadi, G.
                      C. and Frabboni, S. and Sit, A. and Dunin-Borkowski, Rafal
                      and Karimi, E. and Grillo, V.},
      title        = {{R}ealization of electron vortices with large orbital
                      angular momentum using miniature holograms fabricated by
                      electron beam lithography},
      journal      = {Applied physics letters},
      volume       = {110},
      number       = {9},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2017-06647},
      pages        = {093113-1},
      year         = {2017},
      abstract     = {Free electron beams that carry high values of orbital
                      angular momentum (OAM) possess large magnetic moments along
                      the propagation direction. This makes them an ideal probe
                      for measuring the electronic and magnetic properties of
                      materials, as well as for fundamental experiments in
                      magnetism. However, their generation requires the use of
                      complex diffractive elements, which usually take the form of
                      nano-fabricated holograms. Here, we show how the limitations
                      of the current fabrication of such holograms can be overcome
                      by using electron beam lithography. We demonstrate
                      experimentally the realization of an electron vortex beam
                      with the largest OAM value that has yet been reported to the
                      first diffraction order (L = 1000 ℏ), paving the way
                      for even more demanding demonstrations and applications of
                      electron beam shaping.},
      cin          = {ER-C-1 / PGI-5},
      ddc          = {530},
      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},
      UT           = {WOS:000397871600056},
      doi          = {10.1063/1.4977879},
      url          = {https://juser.fz-juelich.de/record/837876},
}