Abstract
The adsorption of ${}^{3}$He${\ensuremath{-}}^{4}$He mixtures on a cesium substrate has been measured near bulk liquid phase separation. A first order wetting transition is found on the bulk three phase coexistence line at ${T}_{w}\ensuremath{\cong}0.53$ K. The ${}^{3}$He rich liquid phase wets the surface below ${T}_{w}$, and layered films of ${}^{4}$He rich liquid under a ${}^{3}$He rich layer wet the substrate above ${T}_{w}$. The surface phase transition line associated with this wetting transition is found to extend to both sides of the bulk coexistence line. On the ${}^{4}$He rich side it becomes a line of triple point induced dewetting transitions.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
