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Glass transitions in quasi-two-dimensional suspensions of colloidal ellipsoids
Zheng ZY(郑中玉); Wang F; Han YL
Source PublicationAIP Conference Proceedings
2013
Conference Name4th International Symposium on Slow Dynamics in Complex Systems
Conference DateDec.2-7, 2012
Conference PlaceSendai, Japan
Abstract
We observed a two-step glass transition in monolayers of colloidal ellipsoids by video microscopy. The glass transition in the rotational degree of freedom was at a lower density than that in the translational degree of freedom. Between the two transitions, ellipsoids formed an orientational glass. Approaching the respective glass transitions, the rotational and translational fastest-moving particles in the supercooled liquid moved cooperatively and formed clusters with power-law size distributions. The mean cluster sizes diverge in power law as they approach the glass transitions. The clusters of translational and rotational fastest-moving ellipsoids formed mainly within pseudonematic domains and around the domain boundaries, respectively. © 2011 American Physical Society.
DepartmentNML空间材料物理力学
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60686
Collection国家微重力实验室
Recommended Citation
GB/T 7714
Zheng ZY,Wang F,Han YL. Glass transitions in quasi-two-dimensional suspensions of colloidal ellipsoids[C],2013.
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