Viscosity behavior spanning four orders of magnitude in As-S melts under high pressure

V. V. Brazhkin, M. Kanzaki, Ken Ichi Funakoshi, Y. Katayama

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Under compression, the As-S liquids are subject to transformations, including polymerization and metallization. We have measured the viscosity of the As-S liquids under high pressures. As a result, large viscosity variations by 4-5 orders of magnitude have been revealed. The viscosity values of the As-S liquids are moderate in the molecular state, very high in the covalent state, and low in the metallic state. Therefore, predicting the viscosity behavior in other melts under pressure is possible, which is of considerable importance for the physics of glass transition, geophysics, and material science.

Original languageEnglish
Article number115901
JournalPhysical Review Letters
Volume102
Issue number11
DOIs
Publication statusPublished - Mar 16 2009

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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