Phase transition and fractionation in polydisperse colloids
- Event time: 1:00pm
- Event date: 1st March 2004
- Speaker: Nhan Pham (Formerly School of Physics & Astronomy, University of Edinburgh)
- Location: Room 2511, James Clerk Maxwell Building (JCMB) James Clerk Maxwell Building Peter Guthrie Tait Road Edinburgh EH9 3FD GB
There are currently different predictions for the phase diagram of polydisperse hard spheres [1,2]. Fractionation is an important issue in these systems. I will first review equilibrium predictions of phase behaviours. Then I will present some experimental data on hard sphere colloids and colloid-polymer mixtures. However, the kinetics of different processes involved make comparing experiments and theory difficult. The results of these studies could be applied to produced highly monodisperse colloids. Fasolo and Sollich, PRL 91, 068301 (2003) Bartlett and Warren, PRL 82, 1979 (1999)
This is a weekly series of informal talks given primarily by members of the soft condensed matter and statistical mechanics groups, but is also open to members of other groups and external visitors. The aim of the series is to promote discussion and learning of various topics at a level suitable to the broad background of the group. Everyone is welcome to attend..