Wetting behavior at the free surface of a liquid gallium-bismuth alloy: An X-ray reflectivity study close to the bulk monotectic point

P. Huber; O. G. Shpyrko; P. S. Pershan; H. Tostmann; E. DiMasi; B. M. Ocko; M. Deutsch

doi:10.1016/S0927-7757(02)00056-0

Wetting behavior at the free surface of a liquid gallium-bismuth alloy: An X-ray reflectivity study close to the bulk monotectic point

P. Huber, O. G. Shpyrko, P. S. Pershan, H. Tostmann, E. DiMasi, B. M. Ocko, M. Deutsch

Department of Physics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We present X-ray reflectivity measurements from the free surface of a liquid gallium-bismuth alloy (Ga-Bi) in the temperature range close to the bulk monotectic temperature T_mono=222°C. Our measurements indicate a continuous formation of a thick wetting film at the free surface of the binary system driven by the first order transition in the bulk at the monotectic point. We show that the behavior observed is that of a complete wetting at a tetra point of solid-liquid-liquid-vapor coexistence.

Original language	English
Pages (from-to)	515-520
Number of pages	6
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	206
Issue number	1-3
DOIs	https://doi.org/10.1016/S0927-7757(02)00056-0
State	Published - 9 Jul 2002

Bibliographical note

Funding Information:
This work was supported by the US DOE Grant No. DE-FG02-88-ER45379, National Science Foundation Grant NSF-DMR-98-72817, and the US–Israel Binational Science Foundation, Jerusalem. Brookhaven National Laboratory is supported by US DOE Contract No. DE-AC02-98CH10886. P. Huber acknowledges support from the Deutsche Forschungsgemeinschaft.

Keywords

Bismuth
Gallium
Liquid metals
Surface
Wetting
X-ray reflectivity

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10.1016/S0927-7757(02)00056-0

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Huber, P., Shpyrko, O. G., Pershan, P. S., Tostmann, H., DiMasi, E., Ocko, B. M., & Deutsch, M. (2002). Wetting behavior at the free surface of a liquid gallium-bismuth alloy: An X-ray reflectivity study close to the bulk monotectic point. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 206(1-3), 515-520. https://doi.org/10.1016/S0927-7757(02)00056-0

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abstract = "We present X-ray reflectivity measurements from the free surface of a liquid gallium-bismuth alloy (Ga-Bi) in the temperature range close to the bulk monotectic temperature Tmono=222°C. Our measurements indicate a continuous formation of a thick wetting film at the free surface of the binary system driven by the first order transition in the bulk at the monotectic point. We show that the behavior observed is that of a complete wetting at a tetra point of solid-liquid-liquid-vapor coexistence.",

keywords = "Bismuth, Gallium, Liquid metals, Surface, Wetting, X-ray reflectivity",

author = "P. Huber and Shpyrko, {O. G.} and Pershan, {P. S.} and H. Tostmann and E. DiMasi and Ocko, {B. M.} and M. Deutsch",

note = "Funding Information: This work was supported by the US DOE Grant No. DE-FG02-88-ER45379, National Science Foundation Grant NSF-DMR-98-72817, and the US–Israel Binational Science Foundation, Jerusalem. Brookhaven National Laboratory is supported by US DOE Contract No. DE-AC02-98CH10886. P. Huber acknowledges support from the Deutsche Forschungsgemeinschaft. ",

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AU - Pershan, P. S.

AU - Tostmann, H.

AU - DiMasi, E.

AU - Ocko, B. M.

AU - Deutsch, M.

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N2 - We present X-ray reflectivity measurements from the free surface of a liquid gallium-bismuth alloy (Ga-Bi) in the temperature range close to the bulk monotectic temperature Tmono=222°C. Our measurements indicate a continuous formation of a thick wetting film at the free surface of the binary system driven by the first order transition in the bulk at the monotectic point. We show that the behavior observed is that of a complete wetting at a tetra point of solid-liquid-liquid-vapor coexistence.

AB - We present X-ray reflectivity measurements from the free surface of a liquid gallium-bismuth alloy (Ga-Bi) in the temperature range close to the bulk monotectic temperature Tmono=222°C. Our measurements indicate a continuous formation of a thick wetting film at the free surface of the binary system driven by the first order transition in the bulk at the monotectic point. We show that the behavior observed is that of a complete wetting at a tetra point of solid-liquid-liquid-vapor coexistence.

KW - Bismuth

KW - Gallium

KW - Liquid metals

KW - Surface

KW - Wetting

KW - X-ray reflectivity

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Wetting behavior at the free surface of a liquid gallium-bismuth alloy: An X-ray reflectivity study close to the bulk monotectic point

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