An apparently first-order transition between two amorphous phases of ice induced by pressure

Details An apparently first-order transition between two amorphous phases of ice induced by pressure An apparently first-order transition between two amorphous phases of ice induced by pressure

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985natur.314...76m&link_type=abstract

Nature (ISSN 0028-0836), vol. 314, March 7, 1985, p. 76-78.

Computer Science

365

Amorphous Materials, Density (Mass/Volume), Ice, Phase Transformations, Pressure Effects, Interstellar Gas, Low Density Materials, Planetary Evolution

Scientific paper

The transformation of low-density amorphous ice compressed at 77 K to high-density amorphous ice at a sharp transition at 6 + or -0.5 kilobar is reported. The transition is at least as sharp as the recently reported transition from ice Ih to a high-density amorphous phase at 10 kbar and 77 K, and strongly resembles a first-order transition in its sharpness and large volume change. It appears to be the first example of an apparently first-order transition between amorphous solids and has implications not only for understanding of the behavior of condensed matter, but also for theories of planetary interiors.

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