# Wetting Behavior at the Free Surface of a Liquid Gallium–Bismuth Alloy: An X-ray Reflectivity Study Close to the Bulk Monotectic Point

 Title: Wetting Behavior at the Free Surface of a Liquid Gallium–Bismuth Alloy: An X-ray Reflectivity Study Close to the Bulk Monotectic Point Author: Huber, P.; Shpyrko, O. G.; Pershan, Peter S.; Tostmann, H.; DiMasi, E.; Ocko, B. M.; Deutsch, M. Note: Order does not necessarily reflect citation order of authors. Citation: Huber, P., O. G. Shpyrko, Peter S. Pershan, H. Tostmann, E. DiMasi, B. M. Ocko, and M. Deutsch. 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 206(1-3): 515-520. Full Text & Related Files: Huber_Wetting.pdf (131.9Kb; PDF) 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$$^\circ$$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. Published Version: doi:10.1016/S0927-7757(02)00056-0 Other Sources: http://liquids.deas.harvard.edu/peter/2001.pdf/GaBiMonoF.pdf Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:10356596 Downloads of this work: