Graphene-like silicon nanoribbons on Ag(110): A possible formation of silicene

Applied Physics Letters - Tập 96 Số 18 - 2010
B. Aufray1, Abdelkader Kara2,3, S. Vizzini4, Hamid Oughaddou4,3, Christel Léandri1, B. Ealet1, G. Le Lay1
1CNRS 1 CINaM-UPR3118, , Campus de Luminy, Marseille Cedex 09, France
2University of Central Florida 2 Department of Physics, , Orlando, Florida 32816, USA
3Université de Cergy Pontoise 3 , 95000 Cergy-Pontoise Cedex, France
4CEA 4 DSM/IRAMIS/SPCSI, , Bât. 462, Saclay, 91191 Gif sur Yvette, France

Tóm tắt

Scanning tunneling microscopy (STM) and ab initio calculations based on density functional theory (DFT) were used to study the self-aligned silicon nanoribbons on Ag(110) with honeycomb, graphene-like structure. The silicon honeycombs structure on top of the silver substrate is clearly observed by STM, while the DFT calculations confirm that the Si atoms adopt spontaneously this new silicon structure.

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Applied Physics Letters

Tập 96 Số 18

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