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Phononic-Crystal-Based Acoustic Sieve for Tunable Manipulations of Particles by a Highly Localized Radiation Force

Fei Li, Feiyan Cai, Zhengyou Liu, Long Meng, Ming Qian, Chen Wang, Qian Cheng, Menglu Qian, Xin Liu, Junru Wu, Jiangyu Li, and Hairong Zheng
Phys. Rev. Applied 1, 051001 – Published 11 June 2014
Physics logo See Synopsis: Sorting by Sound
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Abstract

The ability to manipulate microscale and nanoscale particles is highly desirable for various applications ranging from targeting drug delivery to additive manufacturing. Here we report an acoustic sieve that is capable of aligning, trapping, sorting, and transferring a large number of particles according to their size or mass density, all in a tunable manner. The concept is based on the highly localized periodic radiation force induced by the resonance transmission of an acoustic wave across a phononic crystal plate, a phenomenon analogous to the surface-phonon-enhanced optical force, yet the physical concept has not been explored in acoustics. The acoustic sieve demonstrates the effective manipulation of massive particles using an artificially engineered acoustic field by a phononic crystal, and it has potential application for a wide range of applications.

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  • Received 2 May 2014

DOI:https://doi.org/10.1103/PhysRevApplied.1.051001

© 2014 American Physical Society

Synopsis

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Sorting by Sound

Published 11 June 2014

An acoustic sieve grabs up particles based on their size or their density, as demonstrated in experiments with glass beads.

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Authors & Affiliations

Fei Li1, Feiyan Cai1, Zhengyou Liu2, Long Meng1, Ming Qian1, Chen Wang1, Qian Cheng3, Menglu Qian3, Xin Liu1, Junru Wu4, Jiangyu Li5, and Hairong Zheng1,*

  • 1Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
  • 2Key Laboratory of Artificial Micro/Nano-structures of Ministry of Education and School of Physics and Technology, Wuhan University, Wuhan 430072, China
  • 3Institute of Acoustics, Tongji University, Shanghai 200092, China
  • 4Department of Physics, University of Vermont, Burlington, Vermont 05405, USA
  • 5Department of Mechanical Engineering, University of Washington, Seattle, Washington 98195, USA

  • *Corresponding author. hr.zheng@siat.ac.cn

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Vol. 1, Iss. 5 — June 2014

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