Periodically Rippled Graphene: Growth and Spatially Resolved Electronic Structure
作者： A. L. Vázquez de Parga , F. Calleja , B. Borca , M. C. G. Passeggi , J. J. Hinarejos
DOI: 10.1103/PHYSREVLETT.100.056807
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摘要: We grow epitaxial graphene monolayers on Ru(0001) that cover uniformly the substrate over lateral distances larger than several microns. The weakly coupled monolayer is periodically rippled and it shows charge inhomogeneities in distribution. Real space measurements by scanning tunneling spectroscopy reveal existence of electron pockets at higher parts ripples, as predicted a simple theoretical model. also visualize geometric electronic structure edges nanoislands.
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