Magnetocapillary self-assemblies: Locomotion and micromanipulation along a liquid interface

G Grosjean, M Hubert, N Vandewalle - Advances in colloid and interface …, 2018 - Elsevier
This paper presents an overview and discussion of magnetocapillary self-assemblies. New
results are presented, in particular concerning the possible development of future …

Realization of the Najafi-Golestanian microswimmer

G Grosjean, M Hubert, G Lagubeau, N Vandewalle - Physical Review E, 2016 - APS
A paradigmatic microswimmer is the three-linked-spheres model, which follows a minimalist
approach for propulsion by shape shifting. As such, it has been the subject of numerous …

Remote control of self-assembled microswimmers

G Grosjean, G Lagubeau, A Darras, M Hubert… - Scientific reports, 2015 - nature.com
Physics governing the locomotion of microorganisms and other microsystems is dominated
by viscous dam**. An effective swimming strategy involves the non-reciprocal and …

Magnetically powered metachronal waves induce locomotion in self-assemblies

Y Collard, G Grosjean, N Vandewalle - Communications Physics, 2020 - nature.com
When tiny soft ferromagnetic particles are placed along a liquid interface and exposed to a
vertical magnetic field, the balance between capillary attraction and magnetic repulsion …

Direct measurement of capillary attraction between floating disks

I Ho, G Pucci, DM Harris - Physical Review Letters, 2019 - APS
Two bodies resting at a fluid interface may interact laterally due to the surface deformations
they induce. Here we use an applied magnetic force to perform direct measurements of the …

Flexible magnetic micropartners for micromanipulation at interfaces

Y He, L Wang, M Zhao, Z Fan, W Rong… - ACS Applied Materials & …, 2022 - ACS Publications
Microrobots working at liquid surfaces have immense potential for micromanipulation in tight
and enclosed spaces, whereas constructing agile and functional microrobots with simple …

Surface swimmers, harnessing the interface to self-propel

G Grosjean, M Hubert, Y Collard, S Pillitteri… - The European Physical …, 2018 - Springer
In the study of microscopic flows, self-propulsion has been particularly topical in recent
years, with the rise of miniature artificial swimmers as a new tool for flow control, low …

Induced capillary dipoles in floating particle assemblies

M Delens, Y Collard, N Vandewalle - Physical Review Fluids, 2023 - APS
Capillary-driven self-assembly is a common fabrication method that consists of placing
floating particles onto a liquid-air interface. The attractive interaction between particles is …

Capillary assemblies in a rotating magnetic field

G Grosjean, M Hubert, Y Collard, A Sukhov, J Harting… - Soft Matter, 2019 - pubs.rsc.org
Small objects floating on a fluid have a tendency to aggregate due to capillary forces. This
effect has been used, with the help of a magnetic induction field, to assemble submillimeter …

Optimal motion of triangular magnetocapillary swimmers

A Sukhov, S Ziegler, Q **e, O Trosman… - The Journal of …, 2019 - pubs.aip.org
A system of ferromagnetic particles trapped at a liquid-liquid interface and subjected to a set
of magnetic fields (magnetocapillary swimmers) is studied numerically using a hybrid …