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Titolo:
Pairing interactions and Gibbs adsorption at the liquid Bi-In surface: A resonant x-ray reflectivity study
Autore:
DiMasi, E; Tostmann, H; Shpyrko, OG; Huber, P; Ocko, BM; Pershan, PS; Deutsch, M; Berman, LE;
Indirizzi:
Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 ab, Dept Phys, Upton, NY 11973 USA Harvard Univ, Div Engn & Appl Sci, Cambridge, MA 02138 USA Harvard Univ Cambridge MA USA 02138 n & Appl Sci, Cambridge, MA 02138 USA Harvard Univ, Dept Phys, Cambridge, MA 02138 USA Harvard Univ Cambridge MA USA 02138 v, Dept Phys, Cambridge, MA 02138 USA Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel Bar Ilan Univ Ramat Gan Israel IL-52900 Phys, IL-52900 Ramat Gan, Israel Brookhaven Natl Lab, Natl Synchrotron Light Source Dept, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 t Source Dept, Upton, NY 11973 USA
Titolo Testata:
PHYSICAL REVIEW LETTERS
fascicolo: 8, volume: 86, anno: 2001,
pagine: 1538 - 1541
SICI:
0031-9007(20010219)86:8<1538:PIAGAA>2.0.ZU;2-9
Fonte:
ISI
Lingua:
ENG
Soggetto:
CAPILLARY WAVES; VAPOR INTERFACE; ALLOY; SEGREGATION; INDIUM; METAL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: DiMasi, E Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA Brookhaven Natl Lab Upton NY USA 11973 hys, Upton, NY 11973 USA
Citazione:
E. DiMasi et al., "Pairing interactions and Gibbs adsorption at the liquid Bi-In surface: A resonant x-ray reflectivity study", PHYS REV L, 86(8), 2001, pp. 1538-1541

Abstract

Resonant x-ray reflectivity measurements from the surface of liquid Bi22In78 find only a modest surface Bi enhancement, with 35 at.% Bi in the first atomic layer. This is in contrast to the Gibbs adsorption in all liquid alloys studied to date, which show surface segregation of a complete monolayerof the low surface tension component. This suggests that surface adsorption in Bi-In is dominated by attractive interactions that increase the numberof Bi-In neighbors at the surface. These are the first measurements in which resonant x-ray scattering has been used to quantify compositional changes induced at a liquid alloy surface.

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Documento generato il 09/08/20 alle ore 23:29:13