Vorträge und Posterpräsentationen (ohne Tagungsband-Eintrag):
B. Stöger:
"Graphene grown on Ni(111)";
Vortrag: Seminar Institut für Allgemeine Physik (IAP),
TU Wien;
03.05.2011.
Kurzfassung englisch:
The atomic structure of graphene grown on the Ni(111) surface was investigated by Scanning Tunneling Microscopy (STM). Graphene layers were prepared by the decomposition of toluene. With the help of STM, growth conditions were determined to produce the regular honeycomb structure. However, each graphene layer showed some defects and different rotational relationships with the underlying substrate, resulting in moiré patterns. The most common defects were point defects on the graphene layer, bubbles, wrinkles and ripples of the graphene film. Bulk dissolved carbon segregates to the surface upon cooling, forming nickel carbide patches, which strongly influence the local epitaxial match. Areas adjacent to the interfacial carbide are highly disordered.
Erstellt aus der Publikationsdatenbank der Technischen Universität Wien.