Interaction of two magnetic micro-chains in a rotating field

Jia Hong Cheng; Chih Ru Lin; Ching Yao Chen

doi:10.1063/1.5129998

Interaction of two magnetic micro-chains in a rotating field

Jia Hong Cheng, Chih Ru Lin, Ching Yao Chen^*

^*Corresponding author for this work

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Interactions between two chains consisted of micro-sized magnetic beads are experimentally investigated. Driven by a rotating field, three distinct modes of magnetic interactions are identified, referred to as chaining, locking and transit. The two chains gradually approach to form a longer chain in the chaining mode. The locking mode refers the chains undergo an interesting orbital-like circular motion, which mimics a binary star system. The chains could also evolve from locking to chaining in the transit mode. A necessary criterion for a locking mode is derived, which agrees excellently with the correspondent experiments.

Original language	English
Article number	015201
Number of pages	4
Journal	AIP Advances
Volume	10
Issue number	1
DOIs	https://doi.org/10.1063/1.5129998
State	Published - 1 Jan 2020

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