Sound-mediated stable configurations for polystyrene particles

Mudi Wang, Chunyin Qiu, Shenwei Zhang, Runzhou Han, Manzhu Ke, and Zhengyou Liu
Phys. Rev. E 96, 052604 – Published 13 November 2017
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Abstract

Here we report an experimental observation of the self-organization effect of polystyrene particles formed by acoustically induced interaction forces. Two types of stable configurations are observed experimentally: one is mechanically equilibrium and featured by nonzero interparticle separations, and the other corresponds to a closely packed assembly, which is created by strong attractions among the aggregated particles. For the former case involving two or three particles, the most probable interparticle separations (counted for numerous independent initial arrangements) agree well with the theoretical predictions. For the latter case, the number of the final stable configurations grows with the particle number, and the occurrence probability of each configuration is interpreted by a simple geometric model.

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  • Received 31 July 2017

DOI:https://doi.org/10.1103/PhysRevE.96.052604

©2017 American Physical Society

Physics Subject Headings (PhySH)

General Physics

Authors & Affiliations

Mudi Wang1, Chunyin Qiu1,*, Shenwei Zhang1, Runzhou Han1, Manzhu Ke1, and Zhengyou Liu1,2,†

  • 1Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
  • 2Institute for Advanced Studies, Wuhan University, Wuhan 430072, China

  • *Corresponding author: cyqiu@whu.edu.cn
  • Corresponding author: zyliu@whu.edu.cn

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Issue

Vol. 96, Iss. 5 — November 2017

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