Controlling graphene corrugation on lattice-mismatched substrates
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- 4 August 2008
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 78 (7), 073401
- https://doi.org/10.1103/physrevb.78.073401
Abstract
By means of synchrotron-radiation-based core-level spectroscopies we demonstrate that the degree of corrugation in graphene nanomesh on lattice-mismatched transition-metal substrates critically depends on the strength of chemical bonding at the interface. The degree of interfacial orbital hybridization between graphene and metal states is rising in the series Pt(111)-Ir(111)-Rh(111)-Ru(0001). This growing strength of hybridization is accompanied by a gradual change in graphene morphology from nearly flat to strongly corrugated. We provide a comparison of the pore size and period for the cases of graphene and nanomesh on Rh(111).
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