Transmutable Colloidal Crystals and Active Phase Separation via Dynamic, Directed Self-Assembly with Toggled External Fields
ZM Sherman, JW Swan - ACS nano, 2019 - ACS Publications
A diverse set of functional materials can be fabricated by assembling dispersions of colloids
and nanoparticles. Two principal engineering challenges prevent efficient production of …
and nanoparticles. Two principal engineering challenges prevent efficient production of …
An expanded state diagram for the directed self-assembly of colloidal suspensions in toggled fields
The suspension structure and assembly kinetics of micrometer-diameter paramagnetic
spheres in toggled magnetic fields are investigated at a constant field strength H= 1750A· m …
spheres in toggled magnetic fields are investigated at a constant field strength H= 1750A· m …
Magnetorheology of exotic magnetic mesostructures generated under triaxial unsteady magnetic fields
Traditionally, the rheological properties of magnetorheological (MR) fluids are investigated
under uniaxial steady (DC) fields. These basic fields promote the aggregation of …
under uniaxial steady (DC) fields. These basic fields promote the aggregation of …
Enhanced diffusion and magnetophoresis of paramagnetic colloidal particles in rotating magnetic fields
Dispersions of paramagnetic colloids can be manipulated with external magnetic fields to
assemble structures via dipolar assembly and control transport via magnetophoresis. For …
assemble structures via dipolar assembly and control transport via magnetophoresis. For …
Phase separation kinetics of dynamically self-assembling nanoparticles with toggled interactions
Ordered materials passively self-assembled from dispersions of nanoparticles with steady
interactions are subject to thermodynamic constraints on their phase separation kinetics …
interactions are subject to thermodynamic constraints on their phase separation kinetics …
Structural coarsening of magnetic ellipsoid particle suspensions driven in toggled fields
The suspension structure of magnetic ellipsoid nanoparticles is studied as they are driven by
toggled magnetic fields in a microgravity environment. Suspensions coarsen in the applied …
toggled magnetic fields in a microgravity environment. Suspensions coarsen in the applied …
Suppressing the Rayleigh–Plateau Instability in Field-Directed Colloidal Assembly
Suspensions of superparamagnetic colloids that equilibrate in a toggled magnetic field
undergo a Rayleigh–Plateau instability with a characteristic wavelength λ= 600 μm for the …
undergo a Rayleigh–Plateau instability with a characteristic wavelength λ= 600 μm for the …
2D capsid formation within an oscillatory energy landscape: orderly self-assembly depends on the interplay between a dynamic potential and intrinsic relaxation times
JK Niblo, JR Swartley, Z Zhang, KH DuBay - arxiv preprint arxiv …, 2024 - arxiv.org
Multiple dissipative self-assembly protocols designed to create novel structures or to reduce
kinetic traps have recently emerged. Specifically, temporal oscillations of particle …
kinetic traps have recently emerged. Specifically, temporal oscillations of particle …
Autoensamblado Coloidal y Reología bajo Campos Magnéticos Pulsantes
G Camacho Villar - 2021 - digibug.ugr.es
En este trabajo se demuestra un incremento del esfuerzo umbral en fluidos magneto-
reológicos tras su autoensamblado mediante campos alternos (AC) pulsados. Estos …
reológicos tras su autoensamblado mediante campos alternos (AC) pulsados. Estos …
Field induced assembly of paramagnetic colloidal particles
C Reynolds - 2016 - ora.ox.ac.uk
The assembly of paramagnetic colloidal particles in the presence of an external magnetic
field is studied with optical video microscopy. The first half of this thesis concerns chain …
field is studied with optical video microscopy. The first half of this thesis concerns chain …