Abstract
The melting and freezing phase transitions of mercury and gallium in porous glasses were studied. A depression of the phase transition temperatures, a pronounced hysteresis between melting and freezing, and the melting and freezing broadening were found. The measurements on confined mercury showed that melting could be treated within the frameworks of the model of a liquid layer on solid cores, while freezing is probably driven by nucleation. The Knight shift and line shape studies revealed peculiarities in the structure of liquid confined gallium. No correlation was obtained between the melting reduction and pore sizes for the glasses filled with gallium that was treated as a result of various confined solid modifications formed within pores.
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