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@ARTICLE{Roesner:452125,
      author       = {Roesner, Benedikt and Finizio, Simone and Koch, Frieder and
                      Doering, Florian and Guzenko, Vitaliy A. and Langer, Manuel
                      and Kirk, Eugenie and Watts, Benjamin and Meyer, Markus and
                      Loroña Ornelas, Joshua and Spaeth, Andreas and Stanescu,
                      Stefan and Swaraj, Sufal and Belkhou, Rachid and Ishikawa,
                      Takashi and Keller, Thomas F. and Gross, Boris and Poggio,
                      Martino and Fink, Rainer and Raabe, Joerg and Kleibert,
                      Armin and David, Christian},
      title        = {{S}oft x-ray microscopy with 7 nm resolution},
      journal      = {Optica},
      volume       = {7},
      number       = {11},
      issn         = {2334-2536},
      address      = {Washington, DC},
      publisher    = {OSA},
      reportid     = {PUBDB-2020-04517},
      pages        = {1602 - 1608},
      year         = {2020},
      abstract     = {The availability of intense soft x-ray beams with tunable
                      energy and polarization has pushed the development of
                      highlysensitive, element-specific, and noninvasive
                      microscopy techniques to investigate condensed matter with
                      high spatialand temporal resolution. The short wavelengths
                      of soft x-rays promise to reach spatial resolutions in the
                      deep single-digitnanometer regime, providing unprecedented
                      access to magnetic phenomena at fundamental length scales.
                      Despiteconsiderable efforts in soft x-ray microscopy
                      techniques, a two-dimensional resolution of 10 nm has not
                      yet been surpassedin direct imaging. Here, we report on a
                      significant step beyond this long-standing limit by
                      combining newlydeveloped soft x-ray Fresnel zone plate
                      lenses with advanced precision in scanning control and
                      careful optical design.With this approach, we achieve an
                      image resolution of 7 nm. By combining this highly precise
                      microscopy techniquewith the x-ray magnetic circular
                      dichroism effect,we reveal dimensionality effects in an
                      ensemble of interacting magneticnanoparticles. Such effects
                      are topical in current nanomagnetism research and highlight
                      the opportunities of highresolutionsoft x-ray microscopy in
                      magnetism research and beyond.},
      cin          = {DOOR ; HAS-User / FS-NL},
      ddc          = {620},
      cid          = {I:(DE-H253)HAS-User-20120731 / I:(DE-H253)FS-NL-20120731},
      pnm          = {6214 - Nanoscience and Materials for Information Technology
                      (POF3-621) / $NFFA-Europe_supported$ - Technically supported
                      by Nanoscience Foundries and Fine Analysis Europe
                      $(2020_Join2-NFFA-Europe_funded)$ / NFFA-Europe -
                      NANOSCIENCE FOUNDRIES AND FINE ANALYSIS - EUROPE (654360)},
      pid          = {G:(DE-HGF)POF3-6214 /
                      $G:(DE-HGF)2020_Join2-NFFA-Europe_funded$ /
                      G:(EU-Grant)654360},
      experiment   = {EXP:(DE-H253)Nanolab-04-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000593180100004},
      doi          = {10.1364/OPTICA.399885},
      url          = {https://bib-pubdb1.desy.de/record/452125},
}