Abstract
Increase in visible order can be associated with an increase in
microscopic disorder. This phenomenon leads to many counter-intuitive
phenomena such as entropy driven crystallization and phase separation. I
devote special attention to the entropic depletion interaction as a
means to tune the range of attraction between colloids. The range of the
intermolecular potential determines whether or not stable liquid-vapor
coexistence is possible. For short range attraction, the liquid-vapor
transition may be located below the sublimation line. Under those
conditions, meta-stable critical fluctuations may enhance the rate of
crystal nucleation
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