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7 papers · 1 filter
Step bunching of vicinal 6H-SiC{0001} surfaces
Valery Borovikov, Andrew Zangwill
We use kinetic Monte Carlo simulations to understand growth- and etching-induced step bunching of 6H-SiC{0001} vicinal surfaces oriented towards [1-100] and [11-20]. By taking acco…
Electron-Phonon Interactions for Optical Phonon Modes in Few-Layer Graphene
Jia-An Yan, W. Y. Ruan, M. Y. Chou
We present a first-principles study of the electron-phonon (e-ph) interactions and their contributions to the linewidths for the optical phonon modes at and K in one to three-l…
Multifield model for Cosserat media
A. A. Vasiliev, A. E. Miroshnichenko, M. Ruzzene
We construct a two-field higher-order gradient micropolar model for Cosserat media on the basis of a square lattice of elements with rotational degrees of freedom. This model inclu…
Substrate-induced band gap opening in epitaxial graphene
S. Y. Zhou, G. -H. Gweon, A. V. Fedorov +6
Graphene has shown great application potentials as the host material for next generation electronic devices. However, despite its intriguing properties, one of the biggest hurdles…
Electron states of mono- and bilayer graphene on SiC probed by STM
Pierre Mallet, François Varchon, Cécile Naud +3
We present a scanning tunneling microscopy (STM) study of a gently-graphitized 6H-SiC(0001) surface in ultra high vacuum. From an analysis of atomic scale images, we identify two d…
Ultrathin epitaxial graphite: 2D electron gas properties and a route toward graphene-based nanoelectronics
Claire Berger, Zhimin Song, Tianbo Li +8
We have produced ultrathin epitaxial graphite films which show remarkable 2D electron gas (2DEG) behavior. The films, composed of typically 3 graphene sheets, were grown by thermal…