= C. C. Grimes
{c}
{tag=Physicist}
An experimental <physicist> who, with collaborators, reported <electron crystallization on liquid helium>. A sheet of electrons above the liquid surface formed a strongly interacting, nearly two-dimensional system. Measuring the transition as density changed tested the competition between electrostatic interaction and thermal motion, providing a particularly clean setting for studying a crystal made from charges rather than atoms.<Evidence for a Liquid-to-Crystal Phase Transition in a Classical, Two-Dimensional Sheet of Electrons by C. C. Grimes and others>[Abstract: liquid-helium surface, density-dependent melting and interaction-to-kinetic-energy ratio]{ref}
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