Structural organization, micro-phase separation and polyamorphism of liquid MgSiO3 under compression

被引：0
|
作者：
Luyen Thi San
Nguyen Van Hong
Toshiaki Iitaka
Pham Khac Hung
机构：
[1] Hanoi University of Science and Technology,
[2] Computational Astrophysics Laboratory,undefined
来源：
The European Physical Journal B | 2016年 / 89卷
关键词：
Solid State and Materials;
D O I：
暂无
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学科分类号：
摘要：
The structure, structural change and micro-phase separation in liquid MgSiO3 under pressure are studied by molecular dynamics simulation with pair-wise potentials. Models consisting of 5000 atoms are constructed at 3500 K in the 0–30 GPa pressure range. The structural organization and structural phase transition under compression as well as network topology of liquid MgSiO3 are clarified through analysis and visualization of molecular dynamics simulation data. The short-range structure, intermediate-range structure and the degree of polymerization as well as structural, compositional and dynamical heterogeneities are also discussed in detail.
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