Step doubling and faceting of the W(210) surface

Authors
Kiriukhin, S Sutcu, L Conrad, EH
Citation
S. Kiriukhin et al., Step doubling and faceting of the W(210) surface, PHYS REV B, 59(10), 1999, pp. 6736-6741
Citations number
25
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B-CONDENSED MATTER
ISSN journal
01631829 → ACNP
Volume
59
Issue
10
Year of publication
1999
Pages
6736 - 6741
Database
ISI
SICI code
0163-1829(19990301)59:10<6736:SDAFOT>2.0.ZU;2-F
Abstract
We present low-energy electron-diffraction evidence showing that the W(210) surface irreversibly facets into two different orientations: a near-(310) facet and a (530) facet. While the near-(310) facet consists of primarily s ingle-atomic-height steps, the (530) facet is made up of a mixture of singl e- and double-atomic-height steps. Step doubling is predicted on the basis of existing free-energy models, while faceting has important implications o n the nature of the step-step interaction. [S0163-1829(99)02010-X].