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Applied Physics Letters / Volume 96 / Issue 18 / NANOSCALE SCIENCE AND DESIGN

Appl. Phys. Lett. 96, 183102 (2010); http://dx.doi.org/10.1063/1.3419932 (3 pages)

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

Bernard Aufray1, Abdelkader Kara2,3, Sébastien Vizzini4, Hamid Oughaddou3,4, Christel Léandri1, Benedicte Ealet1, and Guy Le Lay1

1CINaM-UPR3118, CNRS, Campus de Luminy, Marseille Cedex 09, France
2Department of Physics, University of Central Florida, Orlando, Florida 32816, USA
3Université de Cergy Pontoise, 95000 Cergy-Pontoise Cedex, France
4DSM/IRAMIS/SPCSI, CEA, Bât. 462, Saclay, 91191 Gif sur Yvette, France

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(Received 2 February 2010; accepted 15 February 2010; published online 3 May 2010)

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.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

ab initio calculations, density functional theory, elemental semiconductors, nanofabrication, nanostructured materials, scanning tunnelling microscopy, semiconductor epitaxial layers, semiconductor growth, silicon, solid phase epitaxial growth

PACS

  • 81.07.Bc

    Nanocrystalline materials

  • 81.16.-c

    Methods of micro- and nanofabrication and processing

  • 61.46.Df

    Structure of nanocrystals and nanoparticles ("colloidal" quantum dots but not gate-isolated embedded quantum dots)

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3419932

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

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