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Homogeneous_nucleation
Linked via "Zero-Point Freezing"
Where $Nv$ is the number of potential nucleation sites per unit volume (approximated as the number density of molecules in the parent phase), $\beta$ is the attachment frequency (often related to molecular diffusion), and $kB$ is the Boltzmann constant.
In very pure water/), the freezing point depression required for significant homogeneous ice nucleation is often substantial. Experiments on micro-droplets ($<10 \mu\text{m}$) have shown that the f…