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

Autor: Eichler-Volf A; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Alsaadawi Y; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Luna FV; Institute of Chemistry of New Materials, Osnabrueck University Barbarastr. 7 Osnabrueck Germany., Khan QA; Institute of Chemistry of New Materials, Osnabrueck University Barbarastr. 7 Osnabrueck Germany., Stierle S; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Xu C; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Heigl M; Institute of Physics, University of Augsburg Universitaetsstrasse 1 Augsburg Germany., Fekri Z; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Zhou S; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Zahn P; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de., Albrecht M; Institute of Physics, University of Augsburg Universitaetsstrasse 1 Augsburg Germany., Steinhart M; Institute of Chemistry of New Materials, Osnabrueck University Barbarastr. 7 Osnabrueck Germany., Erbe A; Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research Bautzner Landstrasse 400 Dresden Germany a.eichler-volf@hzdr.de.
Jazyk: angličtina
Zdroj: RSC advances [RSC Adv] 2021 May 10; Vol. 11 (28), pp. 17051-17057. Date of Electronic Publication: 2021 May 10 (Print Publication: 2021).
DOI: 10.1039/d1ra02410h
Abstrakt: 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.
Competing Interests: There are no conflicts to declare.
(This journal is © The Royal Society of Chemistry.)
Databáze: MEDLINE
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