Glass transitions in quasi-two-dimensional suspensions of colloidal ellipsoids | |
Zheng ZY(郑中玉); Wang F; Han YL | |
2013 | |
会议名称 | 4th International Symposium on Slow Dynamics in Complex Systems |
会议日期 | Dec.2-7, 2012 |
会议地点 | Sendai, Japan |
中文摘要 |
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. |
收录类别 | EI |
会议录 | AIP Conference Proceedings |
语种 | 英语 |
内容类型 | 会议论文 |
源URL | [http://dspace.imech.ac.cn/handle/311007/60686] |
专题 | 力学研究所_国家微重力实验室 |
推荐引用方式 GB/T 7714 | Zheng ZY,Wang F,Han YL. Glass transitions in quasi-two-dimensional suspensions of colloidal ellipsoids[C]. 见:4th International Symposium on Slow Dynamics in Complex Systems. Sendai, Japan. Dec.2-7, 2012. |
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