In Situ Characterization of Alloy Catalysts for Low-Temperature Graphene Growth Weatherup, Robert S. ; Bayer, Bernhard C. ; Blume, Raoul ; Ducati, Caterina ; Baehtz, Carsten ; Schlögl, Robert ; Hofmann, Stephan Abstract Publication: Nano Letters Pub Date: October 2011 DOI: 10.1021/nl202036y Bibcode: 2011NanoL..11.4154W