Authors

T. Tomanic; C. Surgers; R. Heid; M. A. Ortigoza; K. P. Bohnen; D. Stoffler;H. von Lohneysen

Comments

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"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

SCANNING TUNNELING MICROSCOPE; THIN-FILMS; TEMPERATURE-DEPENDENCE; ELASTIC-CONSTANTS; GROWTH; DYNAMICS; Physics, Applied

Abstract

The local in-plane strain of Ag(111) islands on the Nb(110) surface has been derived from the lateral variation of the electronic density of states measured by scanning tunneling spectroscopy. The onset energy E-ss of the Shockley-type surface-state band is shifted to higher energies compared to the bulk due to thermal strain arising from the difference in thermal expansion between Nb and Ag and cooling by 565K. A quantitative dependence of E-ss from the strain is obtained by density-functional theory calculations. This allows a mapping of the local strain of individual Ag islands on the nanometer scale.

Journal Title

Applied Physics Letters

Volume

101

Issue/Number

6

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

4

WOS Identifier

WOS:000307862400074

ISSN

0003-6951

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