Berlin 2018 – wissenschaftliches Programm
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O: Fachverband Oberflächenphysik
O 48: Poster: 2D Materials beyond Graphene: TMDCs, Silicene and Relatives
O 48.11: Poster
Dienstag, 13. März 2018, 18:15–20:30, Poster A
Investigation of hybridized hexagonal boron nitride and graphene (hBNC) on SiC(0001) — •Shayan Parhizkar1,2, Markus Franke1,2, Serguei Soubatch1,2, You-Ron Lin1,2, Nafiseh Samiseresht1,2, Miriam Raths1,2, François C. Bocquet1,2, and Christian Kumpf1,2 — 1Peter Grünberg Institut (PGI-3), Forschungszentrum Jülich, 52425 Jülich, Germany — 2Jülich Aachen Research Alliance (JARA-FIT)
Hybridized 2D heterostructures are of great interest due to their high variety of electronic properties and their great potential for future electronic and optoelectronic applications. Hexagonal boron nitride (hBN) and graphene, two well known 2D materials that are dielectric and conductive, respectively, have identical crystal structures and very similar lattice parameters. This makes them compatible in hybrid systems and motivates the investigation of their interaction.
Here we report on structural and electronic properties of hybridized hexagonal boron nitride and graphene (Gr-R0∘), so-called hBNC, epitaxially grown on the wide bandgap semiconductor SiC as a function of the domain ratio. Starting from pure hBN to almost pure graphene, we investigated single 2D layers using X-ray standing waves (XSW) and (angular resolved) X-ray photoemission spectroscopy (ARPES and XPS).