Media type: E-Article Title: Ambient Pressure XPS Study of Mixed Conducting Perovskite-Type SOFC Cathode and Anode Materials under Well-Defined Electrochemical Polarization Contributor: Nenning, Andreas; Opitz, Alexander K.; Rameshan, Christoph; Rameshan, Raffael; Blume, Raoul; Hävecker, Michael; Knop-Gericke, Axel; Rupprechter, Günther; Klötzer, Bernhard; Fleig, Jürgen imprint: American Chemical Society (ACS), 2016 Published in: The Journal of Physical Chemistry C Language: English DOI: 10.1021/acs.jpcc.5b08596 ISSN: 1932-7455; 1932-7447 Origination: Footnote: