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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2011, Volume 94, Issue 2, Pages 166–176
(Mi jetpl1971)
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This article is cited in 12 scientific papers (total in 12 papers)
SCIENTIFIC SUMMARIES
Pressure-induced structural transformations and the anomalous behavior of the viscosity in network chalcogenide and oxide melts
V. V. Brazhkina, Y. Katayamab, M. Kanzakic, M. V. Kondrina, A. G. Lyapina a Institute for High Pressure Physics, Russian Academy of Sciences
b Japan Atomic Energy Agency
c Institute for study of the earth interior,
Okayama university
Abstract:
It is known that a number of compressed melts undergo structural phase transitions. Data on the structural changes at high pressures in chalcogenides (AsS, As$_2$S$_3$) and oxide (B$_2$O$_3$) melts with a network structure have been reviewed. Viscosity is one of the fundamental physical properties of a liquid. For various melts, it varies in a very wide range. Structural transformations in melts induce the corresponding changes in all physical properties, in particular viscosity. The measurements of the viscosity of a number of melts at high pressures and temperatures by the radiographic method have been reported. Changes in the viscosity by several orders of magnitude have been detected when the pressure is varied by several gigapascals. The diffusion mechanism in network-structure melts at various pressures has been analyzed. The prediction of the behavior of the viscosity of various melts at superhigh pressures is of high importance for the physics of glass transition, geophysics, and materials science.
Received: 07.06.2011
Citation:
V. V. Brazhkin, Y. Katayama, M. Kanzaki, M. V. Kondrin, A. G. Lyapin, “Pressure-induced structural transformations and the anomalous behavior of the viscosity in network chalcogenide and oxide melts”, Pis'ma v Zh. Èksper. Teoret. Fiz., 94:2 (2011), 166–176; JETP Letters, 94:2 (2011), 161–170
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https://www.mathnet.ru/eng/jetpl1971 https://www.mathnet.ru/eng/jetpl/v94/i2/p166
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Abstract page: | 313 | Full-text PDF : | 76 | References: | 43 |
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