SUBSTITUTIONAL ADSORPTION OF LI ON AL - THE STRUCTURE OF THE AL(111)-(ROOT-3X-ROOT-30-DEGREES)-LI PHASE

Citation
Mm. Nielsen et al., SUBSTITUTIONAL ADSORPTION OF LI ON AL - THE STRUCTURE OF THE AL(111)-(ROOT-3X-ROOT-30-DEGREES)-LI PHASE, Physical review. B, Condensed matter, 54(24), 1996, pp. 17902-17909
Citations number
45
Categorie Soggetti
Physics, Condensed Matter
ISSN journal
01631829
Volume
54
Issue
24
Year of publication
1996
Pages
17902 - 17909
Database
ISI
SICI code
0163-1829(1996)54:24<17902:SAOLOA>2.0.ZU;2-I
Abstract
The atomic geometry of the Al(111)-(root 3 x root 3)R30 degrees phase formed by adsorption of one-third monolayer Li on Al(111) at room temp erature has been determined by analysis of extensive low-energy electr on-diffraction measurements. The structure is found to be a binary sur face alloy, in which Li atoms occupy sixfold coordinate substitutional sites formed by displacing every third Al atom in the first layer of the substrate, similar to the structures found previously for the corr esponding (root 3 x root 3 )R30 degrees phases formed by adsorption of Na, K, and Rb.