ArticleScientific reports2021
Translatory and rotatory motion of exchange-bias capped Janus particles controlled by dynamic magnetic field landscapes.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Separation of Magnetic Microparticles With Different Molecular Surface Functionalizations by Close-to-Surface Traveling-Wave Magnetophoresis.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Engineering colloidal semiconductor nanocrystals for quantum information processing.Nature nanotechnology · 2024Review
- Asymmetric imaging through engineered Janus particle obscurants using a Monte Carlo approach for highly asymmetric scattering media.Scientific reports · 2024Article
- Orientational ordering and assembly of silica-nickel Janus particles in a magnetic field.IUCrJ · 2024Article
- Three-dimensional close-to-substrate trajectories of magnetic microparticles in dynamically changing magnetic field landscapes.Scientific reports · 2022Article
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Magnetic Janus particles (MJPs), fabricated by covering a non-magnetic spherical particle with a hemispherical magnetic in-plane exchange-bias layer system cap, display an onion magnetization state for comparably large diameters of a few microns. In this work, the motion characteristics of these MJPs will be investigated when they are steered by a magnetic field landscape over prototypical parallel-stripe domains, dynamically varied by superposed external magnetic field pulse sequences, in an aqueous medium. We demonstrate, that due to the engineered magnetization state in the hemispherical cap, a comparably fast, directed particle transport and particle rotation can be induced. Additionally, by modifying the frequency of the applied pulse sequence and the strengths of the individual field components, we observe a possible separation between a combined or an individual occurrence of these two types of motion. Our findings bear importance for lab-on-a-chip systems, where particle immobilization on a surface via analyte bridges shall be used for low concentration analyte detection and a particle rotation over a defined position of a substrate may dramatically increase the immobilization (and therefore analyte detection) probability.
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Registered trials
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