Pressure-driven liquid-liquid transformations and corresponding bizarre viscosity behavior

Brazhkin, V. V.*; Katayama, Yoshinori; Kanzaki, Masami*; Lyapin, A. G.*

In recent years, transformations in the melts of elementary substances and oxides have been found under high pressure. These transformations are accompanied by structural changes and variations in physical properties. In this work, structure and viscosity of Se, AsS, AsS, As $_{2}$ S $_{3}$ and B $_{2}$ O $_{3}$ were studied using synchrotron radiation. These substances exhibit changes in bonding in the crystalline state under high pressure. An X-ray diffraction measurements and falling sphere viscosity measurements using an X-ray radiography technique were carried out. Huge change in viscosity which accompanies structural change under compression was observed in each substance.

Language	:	English
Journal	:	Advances in Chemical Physics, Vol.152
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Pages	:	p.29 - 50
Publication Year/Month	:	2013/04
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Paper URL	:	https://doi.org/10.1002/9781118540350.ch2
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Keywords	:	no keyword
Research Facility	:	SPring-8(大型放射光施設)
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Registration No. : AA20130621
JAEA Abstracts No. : 42000225
Paper Submission No. : 13785

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