Title

Atom-by-atom extraction using the scanning tunneling microscope tip-cluster interaction

Authors

Authors

A. Deshpande; H. Yildirim; A. Kara; D. P. Acharya; J. Vaughn; T. S. Rahman;S. W. Hla

Comments

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

Abbreviated Journal Title

Phys. Rev. Lett.

Keywords

LATERAL MANIPULATION; SINGLE-ATOM; SURFACES; MOTION; FORCE; Physics, Multidisciplinary

Abstract

We investigate the atomistic details of a single atom-extraction process realized by using the scanning tunneling microscope tip-cluster interaction on a Ag(111) surface at 6 K. Single atoms are extracted from a silver cluster one atom at a time using small tunneling biases less than 35 mV. Combined total energy calculations and molecular dynamics simulations show a lowering of the atom-extraction barrier upon approaching the tip to the cluster. Thus, a mere tuning of the proximity between the tip and the cluster governs the extraction process. The atomic precision and reproducibility of this procedure are demonstrated by repeatedly extracting single atoms from a silver cluster on an atom-by-atom basis.

Journal Title

Physical Review Letters

Volume

98

Issue/Number

2

Publication Date

1-1-2007

Document Type

Article

DOI Link

http://dx.doi.org/10.1103/PhysRevLett.98.028304

Language

English

First Page

4

WOS Identifier

WOS:000243586700072

ISSN

0031-9007

Recommended Citation

"Atom-by-atom extraction using the scanning tunneling microscope tip-cluster interaction" (2007). Faculty Bibliography 2000s. 7024.
https://stars.library.ucf.edu/facultybib2000/7024