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  4. Direct structure determination of a composite double-layer surface alloy by x-ray photoelectron diffraction: <i>p</i> (2×2)-Na/Al(111)
 
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Direct structure determination of a composite double-layer surface alloy by x-ray photoelectron diffraction: <i>p</i> (2×2)-Na/Al(111)

Auteur(s)
Fasel, Roman
Aebi, Philipp
Schlapbach, Louis
Osterwalder, Jürg
Date de parution
1995
In
Physical Review B, American Physical Society (APS), 1995/52/4/R2313-R2316
Résumé
The local structure of p(2×2)-Na/Al(111) has been investigated using angle-scanned full hemispherical x-ray photoelectron diffraction. The resulting diffraction patterns allow a <i>direct</i> and <i>unequivocal</i> determination of the surface atomic structure. Even though Na and Al are completely immiscible in the bulk, the p(2×2)-Na/Al(111) phase consists of a composite <i>double-layer surface</i> alloy where Na atoms take substitutional and fcc hollow sites and Al atoms removed from the surface occupy hcp hollow sites.
Identifiants
https://libra.unine.ch/handle/123456789/16969
_
10.1103/PhysRevB.52.R2313
Type de publication
journal article
Dossier(s) à télécharger
 main article: Fasel_R._-_Direct_structure_determination_of_a_composite_20080331.pdf (1.62 MB)
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