Issue 3, 2016
From the journal:

Nanoscale

Selective and directional actuation of elastomer films using chained magnetic nanoparticles†

Sumeet R. Mishra,a   Michael D. Dickey,b   Orlin D. Velevb  and  Joseph B. Tracy*a  

* Corresponding authors

a Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA
E-mail: jbtracy@ncsu.edu

b Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, USA

Abstract

We report selective and directional actuation of elastomer films utilizing magnetic anisotropy introduced by chains of Fe3O4 magnetic nanoparticles (MNPs). Under uniform magnetic fields or field gradients, dipolar interactions between the MNPs favor magnetization along the chain direction and cause selective lifting. This mechanism is described using a simple model.

Graphical abstract: Selective and directional actuation of elastomer films using chained magnetic nanoparticles

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Article information

DOI
https://doi.org/10.1039/C5NR07410J
Article type
Communication
Submitted
25 Oct 2015
Accepted
25 Nov 2015
First published
26 Nov 2015

Nanoscale, 2016,8, 1309-1313

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Selective and directional actuation of elastomer films using chained magnetic nanoparticles

S. R. Mishra, M. D. Dickey, O. D. Velev and J. B. Tracy, Nanoscale, 2016, 8, 1309 DOI: 10.1039/C5NR07410J

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