Journal
ADVANCES IN COLLOID AND INTERFACE SCIENCE
Volume 159, Issue 2, Pages 198-212Publisher
ELSEVIER
DOI: 10.1016/j.cis.2010.06.009
Keywords
Surface tension; Liquid metals; Butler equation; Oxygen partial pressure; Surface segregation
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Surface tension measurements are a central task in the study of surfaces and interfaces. For liquid metals, they are complicated by the high temperatures and the consequently high reactivity characterising these melts. In particular, oxidation of the liquid surface in combination with evaporation phenomena requires a stringent control of the experimental conditions, and an appropriate theoretical treatment. Recently, much progress has been made on both sides. In addition to improving the conventional sessile drop technique, new containerless methods have been developed for surface tension measurements. This paper reviews the experimental progress made in the last few years, and the theoretical framework required for modelling and understanding the relevant physico-chemical surface phenomena. (c) 2010 Elsevier B.V. All rights reserved.
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