Volume 54, Number 2, April 2001
|Page(s)||182 - 186|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||01 December 2003|
Crystallization of bulk glass under pressure
Department of Physics, Building 307,
Technical University of Denmark DK-2800
2 Inoue Superliquid Glass Project, ERATO, Japan Science and Technology Corporation (JST) - Sendai 982-0807, Japan
3 Institute for Materials Research, Tohoku University - Sendai 980-8577, Japan
4 HASYLAB am DESY, Notkestrasse 85, D-22603 Hamburg, Germany
Corresponding author: email@example.com
Accepted: 13 February 2001
The effect of pressure on the crystallization behavior of the bulk glass with a wide supercooled liquid region has been investigated by in situ high-pressure and high-temperature X-ray powder diffraction using synchrotron radiation. In the pressure range from 0 to 4, the crystallization temperature increases with pressure having a slope of 11. The eutectic crystallization reaction mode and crystalline phases formed are unchanged in the pressure range used. The enhancement of the crystallization temperature with increasing pressure in the bulk glass can be explained by the suppression of atomic mobility.
PACS: 61.43.Dq – Amorphous semiconductors, metals, and alloys / 62.50.+p – High-pressure and shock-wave effects in solids and liquids / 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems
© EDP Sciences, 2001
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