منابع مشابه
Silicene Nanoribbons on Pb-Reconstructed Si(111) Surface
We report on the initial stage of growing of silicon nanostructures on Pb-induced √ 3 × √ 3 and √ 3 × √ 7 reconstructed Si(111) surfaces. The deposition of 0.75 monolayer of Si at a temperature of around 200 K results in Si nanoribbons a few-nanometers in length running in three equivalent high symmetry directions of Si(111) surface, as revealed by low temperature scanning tunneling microscopy ...
متن کاملStructural model of silicene-like nanoribbons on a Pb-reconstructed Si(111) surface
A structural model of the recently observed silicene-like nanoribbons on a Pb-induced √3 × √3 reconstructed Si(111) surface is proposed. The model, which is based on first principles density functional theory calculations, features a deformed honeycomb structure directly bonded to the Si(111) surface underneath. Pb atoms stabilize the nanoribbons, as they passivate the uncovered substrate, thus...
متن کاملOral ON THE PROPERTIES OF SURFACE RECONSTRUCTED SILICON NANOWIRES
One-dimensional nanostructures are attracting great interest for their potentially high impact in future molecular electronics applications, such as nanoswitches and nanocontacts [1]. Silicon nanowires (SiNWs) appear to be a special appealing alternative, due to the ideal interface compatibility with conventional Si-based technology and to the possibility to tune their conductive properties by ...
متن کاملSurface Morphology of Laser-Superheated Pb(111) and Pb(100)
This Article is brought to you for free and open access by the Electrical & Computer Engineering at ODU Digital Commons. It has been accepted for inclusion in Electrical & Computer Engineering Faculty Publications by an authorized administrator of ODU Digital Commons. For more information, please contact [email protected]. Repository Citation Zhang, Z. H.; Lin, Bo; Zeng, X. L.; and Elsayed...
متن کاملAtomic Friction Modulation on the Reconstructed Au(111) Surface
Friction between a nanoscale tip and a reconstructed Au(111) surface is investigated both by atomic force microscopy (AFM) and molecular statics calculations. Lateral force AFM images exhibit atomic lattice stick–slip behavior with a superstructure corresponding to the herringbone reconstruction pattern. However, the superstructure contrast is not primarily due to variations in the local fricti...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2009
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.79.155438