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Nonmetal-metal transitions in liquid substances under high pressure
Authors:R. N. Voloshin  V. V. Brazhkin  S. V. Popova
Affiliation:Institute of High Pressure of the Russian Academy of Science , 142092 , Troick Moscow Region, Russia
Abstract:
Abstract

In the melts of Te, Se, S, I2 and Mg3Bi2 the nonmetal-metal transitions were found under pressure. The transitions are accompanied by a decrease of the volume. The transitions seem to terminate at high temperature by “critical regions”. For S and Se the kinetics of the transitions and the pressure influence on the solidification of the melts were investigated.

The existence of the transitions of this kind gives an explanation of anomalies of melting curves of some substances.
Keywords:metallization  melt  phase diagram
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