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Studies of Liquid Metal Surfaces Using Auger Spectroscopy

Published online by Cambridge University Press:  15 February 2011

Stephen Hardy  and
Joseph Fine
Stephen Hardy
Affiliation:
Metallurgy Division and Surface Science Division, National Bureau of Standards, Washington, DC, USA
Joseph Fine
Affiliation:
Metallurgy Division and Surface Science Division, National Bureau of Standards, Washington, DC, USA
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Abstract

The surface composition of liquid gallium-tin alloys has been studied in an Auger electron spectrometer (AES) as a function of bulk composition and temperature. The sessile drop samples were cleaned by argon ion bombardment sputtering of the liquid. This technique produced surfaces that were entirely free of impurities within the sensitivity of AES and remained so for many days. Tin was found to be strongly adsorbed at the liquid-vacuum interface. Surface concentrations based on Auger measurements are in reasonably good agreement with values calculated from surface tension measurements interpreted in terms of a monolayer depth distribution model for the adsorbed tin.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 9 , 1981 , 503
Copyright
Copyright © Materials Research Society 1982

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References

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