A mixed composition field lowers its free energy by separating into two phases while diffuse interfaces resist abrupt change. Small fluctuations become labyrinths or droplets, then coarsen as narrow necks retract and larger domains consume smaller ones.
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Phase Separation
A mixed composition field lowers its free energy by separating into two phases while diffuse interfaces resist abrupt change. Small fluctuations become labyrinths or droplets, then coarsen as narrow necks retract and larger domains consume smaller ones.