Sulfur Melting and Polymorphism under Pressure: Outlines of Fields for 12 Crystalline Phases

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Science  10 Oct 1969:
Vol. 166, Issue 3902, pp. 218-221
DOI: 10.1126/science.166.3902.218


The polymorphism of sulfur has been investigated by static and dynamic methods up to 500°C at 35 kilobars and up to 350°C at 100 kilobars. The melting curve of sulfur to 31 kilobars and phase boundaries of the so-called "4.04-angstrom phase" have been determined. Evidence has been obtained for phase fields of nine new high-pressure forms of sulfur.

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