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Homogeneous_nucleation
Linked via "classical nucleation theory (CNT)"
The driving force for homogeneous nucleation is the thermodynamic instability of the parent phase, often quantified as supersaturation ($\sigma_s$) or supercooling ($\Delta T$). The formation of a stable nucleus requires overcoming an energy barrier determined by the balance between the bulk volume free energy change and the surface energy penalty associated with creating the interface between the new phase and the parent phase.
The critical free energy barrier ($\Delta G^*$) requir…