V. M. Samsonov, V. A. Khashin, and V. V. Dronnikov
Tver State University, Sadovyi per. 35, Tver, 170002 Russia
Received November 16, 2007
Abstract—Equilibrium configurations of Lennard-Jones nanodroplets composed of 10–15 000 spherically
symmetric molecules placed in the center of a spherical container are studied at constant temperature by the
molecular dynamics method. The distribution of local density is found and size dependences of density in the
center of droplet, first coordination number, and energy surface tension coinciding for equimolecular dividing
surface with specific excess free energy of droplet are studied. Radial distribution function is also determined.
It is established that the passage of structural characteristics to their macroscopic values is observed for droplets
containing as little as about 300 molecules, while, for energy surface tension, analogous passage for energy sur-
face tension occurs for droplets containing 700–6000 molecules.
DOI: 10.1134/S1061933X08060136
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