Atomic-scale surface demixing in a eutectic liquid BiSn alloy

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dc.creatorShpyrko, Oleg G.
dc.creatorGrigoriev, Alexei Yu.
dc.creatorStreitel, Reinhard
dc.creatorPontoni, Diego
dc.creatorPershan, Peter S.
dc.creatorOcko, Ben
dc.creatorDeutsch, Moshe
dc.creatorMeron, Mati
dc.creatorLin, Binhua
dc.date2005-01-09
dc.date2005-08-26
dc.date.accessioned2026-07-07T03:03:07Z
dc.date.available2026-07-07T03:03:07Z
dc.descriptionResonant x-ray reflectivity of the surface of the liquid phase of the Bi$_{43}$Sn$_{57}$ eutectic alloy reveals atomic-scale demixing extending over three near-surface atomic layers. Due to the absence of underlying atomic lattice which typically defines adsorption in crystalline alloys, studies of adsorption in liquid alloys provide unique insight on interatomic interactions at the surface. The observed composition modulation could be accounted for quantitatively by the Defay-Prigogine and Strohl-King multilayer extensions of the single-layer Gibbs model, revealing a near-surface domination of the attractive Bi-Sn interaction over the entropy.
dc.description4 pages (two-column), 3 figures, 1 table; Added a figure, updated references, discussion; accepted at Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0501173
dc.identifierhttp://arxiv.org/abs/cond-mat/0501173
dc.identifierPhys. Rev. Lett. 95, 106103 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.106103
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/25638
dc.subjectStatistical Mechanics
dc.subjectDisordered Systems and Neural Networks
dc.subjectMaterials Science
dc.titleAtomic-scale surface demixing in a eutectic liquid BiSn alloy
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