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Tai Nguyen So - Vietnam National University, Ha Noi - VNU >
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http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13363
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| Title: | Local microstructure of silica glass |
| Authors: | Vinh L.T.
Hung P.K.
Hong N.V.
Tu T.T. |
| Keywords: | Glass transition
Medium-range order
Microstructure
Molecular dynamics
Porosity
Pressure effects
Short-range order
Silica |
| Issue Date: | 2009 |
| Publisher: | Journal of Non-Crystalline Solids |
| Citation: | Volume 355, Issue 22-23, Page 1215-1220 |
| Abstract: | We present a microstructure study of different amorphous states of SiO2, which are constructed by compress-decompress procedure. The local microstructure is analyzed through the coordination number, bond-angle statistic and the characteristic of void. The simulation reveals that the number of SiO4, SiO5 and SiO6 units varies in different silica states, but their topology is identical. The densest model (highest density) is obtained upon compress pressure around 20 GPa. The change in void space for different silica states is also calculated and discussed here. © 2009 Elsevier B.V. All rights reserved. |
| URI: | http://tainguyenso.vnu.edu.vn/jspui/handle/123456789/13363 |
| ISSN: | 223093 |
| Appears in Collections: | New - Articles of Universities of Vietnam from Scopus
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