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Issue 28, 2021, Issue in Progress
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Sensitivity of PS/CoPd Janus particles to an external magnetic field

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Abstract

The dual nature of Janus particles confers fascinating properties such as a response to multiple stimuli. In this communication, we systematically study the sensitivity to a uniform external magnetic field of isolated Janus rod-shaped and spherical particles in water confined to two dimensions. The Janus asymmetry of the particles is given by magnetic [Co(0.28 nm)/Pd(0.90 nm)]8 multilayer films deposited onto monodisperse polystyrene (PS) nanorods and microspheres, respectively. It is shown that the particles dispersed in water respond to weak magnetic field applied in in-plane direction. Here we demonstrate that a precise control of the in-plane particle orientation can be obtained for magnetic field strengths higher than 0.1 mT for microspheres and 0.4 mT for nanorods.

Graphical abstract: Sensitivity of PS/CoPd Janus particles to an external magnetic field

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Supplementary files

Article information


Submitted
26 Mar 2021
Accepted
28 Apr 2021
First published
10 May 2021

This article is Open Access

RSC Adv., 2021,11, 17051-17057
Article type
Paper

Sensitivity of PS/CoPd Janus particles to an external magnetic field

A. Eichler-Volf, Y. Alsaadawi, F. V. Luna, Q. A. Khan, S. Stierle, C. Xu, M. Heigl, Z. Fekri, S. Zhou, P. Zahn, M. Albrecht, M. Steinhart and A. Erbe, RSC Adv., 2021, 11, 17051 DOI: 10.1039/D1RA02410H

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

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