UNSPECIFIED (1991) THEORY OF SURFACE STRESS AND SURFACE RECONSTRUCTION. In: 26TH CONF OF THE YAMADA SCIENCE FOUNDATION : SURFACE AS A NEW MATERIAL, JUL 02-06, 1990, OSAKA, JAPAN.

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Abstract

We investigate the stresses that are present, even in equilibrium, at solid surfaces. First-principles calculations of the surface stress tensor for the aluminium, iridium, platinum and gold (111) surfaces are reported, which indicate the presence of a tensile surface stress in each case. We compare our results for aluminium with those for jellium and discuss the origins of the surface stress. We investigate the role that surface stress may play in driving surface reconstructions in which the density of surface atoms is altered from the corresponding value for the terminated bulk structure. A simple model is discussed which illustrates the competition between the various forces involved in such a reconstruction.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QD Chemistry Q Science > QC Physics
Journal or Publication Title:	Surface Science
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0039-6028
Date:	February 1991
Volume:	242
Number:	1-3
Number of Pages:	7
Page Range:	pp. 215-221
Publication Status:	Published
Title of Event:	26TH CONF OF THE YAMADA SCIENCE FOUNDATION : SURFACE AS A NEW MATERIAL
Location of Event:	OSAKA, JAPAN
Date(s) of Event:	JUL 02-06, 1990
URI:	http://wrap.warwick.ac.uk/id/eprint/22832

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