Unveiling the medium-range order in glass models and its role in glass formation

被引：9

作者：

Fan, Xinyu ^{[1
,2
]}

Sun, Yang ^{[3
,4
,5
]}

Wang, Cai-Zhuang ^{[3
,4
]}

Ho, Kai-Ming ^{[3
,4
]}

Altman, M. S. ^{[2
]}

Huang, Li ^{[1
]}

机构：

[1] Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Guangdong, Peoples R China

[2] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Clear Water Bay, Hong Kong, Peoples R China

[3] Iowa State Univ, US DOE, Ames Lab, Ames, IA 50011 USA

[4] Iowa State Univ, Dept Phys, Ames, IA 50011 USA

[5] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY 10027 USA

来源：

PHYSICAL REVIEW B | 2020年 / 101卷 / 21期

基金：

中国国家自然科学基金;

关键词：

LEVEL;

D O I：

10.1103/PhysRevB.101.214104

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The correlation between structure and glass formability in glassy systems is a long-standing puzzle. To solve this puzzle, many descriptors based on the short-range order (SRO) have been proposed. Here we show that the SRO, however, offers little help in explaining the glass formability and stability; instead it is the formation of medium-range order that stabilizes the glass against crystallization by suppressing the atomic rearrangement and compositional change. Our results provide a perspective for understanding the correlation between structure and stability in glasses.

引用

页数：7

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