Orientation Order of Dipole Molecules in the Surface of Embryonic Droplets

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Science  15 May 1970:
Vol. 168, Issue 3933, pp. 833-835
DOI: 10.1126/science.168.3933.833


During the growth of embryonic droplets in an imperfect vapor the surface polar molecules pass from a disordered orientation state to an ordered orientation state, the transition size being on the order of 100 molecules. This transition poses an interesting model problem in the study of order-disorder transitions in the thermodynamics of small systems.