Authors

M. R. Tchalala; H. Enriquez; A. J. Mayne; A. Kara; S. Roth; M. G. Silly; A. Bendounan; F. Sirotti; T. Greber; B. Aufray; G. Dujardin; M. A. Ali;H. Oughaddou

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

"This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in the linked citation and may be found originally at Applied Physics Letters."

Abbreviated Journal Title

Appl. Phys. Lett.

Keywords

BINDING-ENERGY; ATOMIC-SCALE; SURFACE; METALS; LEVEL; GOLD; Physics, Applied

Abstract

We report results on the self-assembly of silicon nanoribbons (NRs) on the (2 x 1) reconstructed Au(110) surface under ultra-high vacuum conditions. Upon adsorption of 0.2 monolayer (ML) of silicon, the (2 x 1) reconstruction of Au(110) is replaced by an ordered surface alloy. Above this coverage, a new superstructure is revealed by low energy electron diffraction (LEED), which becomes sharper at 0.3 Si ML. This superstructure corresponds to Si nanoribbons all oriented along the [(1) over bar 10] direction as revealed by LEED and scanning tunneling microscopy (STM). STM and high-resolution photoemission spectroscopy indicate that the nanoribbons are flat and predominantly 1.6 nm wide. In addition, the silicon atoms show signatures of two chemical environments corresponding to the edge and center of the ribbons.

Journal Title

Applied Physics Letters

Volume

102

Issue/Number

8

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

5

WOS Identifier

WOS:000315597000068

ISSN

0003-6951

Share

COinS