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@ARTICLE{Nemk:201869,
      author       = {Nemšák, Slavomír and Shavorskiy, Andrey and Karslioglu,
                      Osman and Zegkinoglou, Ioannis and Rattanachata, Arunothai
                      and Conlon, Catherine S. and Keqi, Armela and Greene, Peter
                      K. and Burks, Edward C. and Salmassi, Farhad and Gullikson,
                      Eric M. and Yang, See-Hun and Liu, Kai and Bluhm, Hendrik
                      and Fadley, Charles S.},
      title        = {{C}oncentration and chemical-state profiles at
                      heterogeneous interfaces with sub-nm accuracy from
                      standing-wave ambient-pressure photoemission},
      journal      = {Nature Communications},
      volume       = {5},
      issn         = {2041-1723},
      address      = {London},
      publisher    = {Nature Publishing Group},
      reportid     = {FZJ-2015-04163},
      pages        = {5441 -},
      year         = {2014},
      abstract     = {Heterogeneous processes at solid/gas, liquid/gas and
                      solid/liquid interfaces are ubiquitous in modern devices and
                      technologies but often difficult to study quantitatively.
                      Full characterization requires measuring the depth profiles
                      of chemical composition and state with enhanced sensitivity
                      to narrow interfacial regions of a few to several nm in
                      extent over those originating from the bulk phases on either
                      side of the interface. We show for a model system of ​NaOH
                      and ​CsOH in an ~1-nm thick hydrated layer on α-Fe2O3
                      (haematite) that combining ambient-pressure X-ray
                      photoelectron spectroscopy and standing-wave photoemission
                      spectroscopy provides the spatial arrangement of the bulk
                      and interface chemical species, as well as local potential
                      energy variations, along the direction perpendicular to the
                      interface with sub-nm accuracy. Standing-wave
                      ambient-pressure photoemission spectroscopy is thus a very
                      promising technique for measuring such important interfaces,
                      with relevance to energy research, heterogeneous catalysis,
                      electrochemistry, and atmospheric and environmental
                      science.},
      cin          = {PGI-6},
      ddc          = {500},
      cid          = {I:(DE-Juel1)PGI-6-20110106},
      pnm          = {422 - Spin-based and quantum information (POF2-422)},
      pid          = {G:(DE-HGF)POF2-422},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000345908900001},
      pubmed       = {pmid:25399688},
      doi          = {10.1038/ncomms6441},
      url          = {https://juser.fz-juelich.de/record/201869},
}