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2-variable extension of classical nucleation theory.

Mesoscopic Nucleation Theory is used to construct a two-variable theory of droplet muceation that reveals non-classical behavior. The figure shows the free energy surface for droplet nucleation with the horizontal and vertical axes being the cluster radius and the density inside the cluster, respectively. The line is the most likely path for droplet nucleation from an initial low-density vapor.

Mineral Growth beyond the Limits of Impurity Poisoning

Crystal surfaces populated with macrosteps continue to grow even when single steps are stopped by surface bound impurities due to a novel mechanism exposed in our simulations: the macrostep facet provides an escape route for single steps to grow in the direction normal to the vicinal face, allowing crystals to break the kinetic barrier of the impurity fence.



PHYSF475 Nanophysique

Masters II, Physics, ULB, ULB, Campus Plaine, Bat. NO, 2023


Practique: 10-12h Vendredi A2 220
Theory: 12-14h Vendredi 2NO 407