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Unravelling the multilayer growth of the fullerene C60 in real time
This work determines a self-consistent set of energy parameters describing both intra- and interlayer diffusion processes in C60 growth, and finds that the lateral diffusion is similar to colloids, but characterized by an atom-like Schwoebel barrier.
Phase transitions in dipolar fluids: An integral equation study
We consider several dipolar fluids in their isotropic phase by integral equations in the reference hypernetted chain approximation. The systems differ in the form of the nondipolar potential. At low…
Why are effective potentials 'soft'?
This paper is concerned with effective potentials between interacting supramolecular particles separated by a distance R. We focus on the question of why these potentials are typically 'soft', i.e.,…
Dynamics of cluster formation in driven magnetic colloids dispersed on a monolayer
This work focuses on the interplay between permanent dipolar and hydrodynamic interactions and its influence on the dynamic behavior of the particles, including their individual as well as their collective motion.
Nonequilibrium condensation and coarsening of field-driven dipolar colloids.
- S. Jäger, Heiko Schmidle, S. Klapp
- PhysicsPhysical review. E, Statistical, nonlinear, and…
- 5 March 2012
It is demonstrated that the clustering described in the driven system arises from a first-order phase transition between a vapor and a condensed phase.
Effect of particle size and Debye length on order parameters of colloidal silica suspensions under confinement
Using atomic force microscopy (AFM) and small angle X-ray scattering (SAXS), we show a full comparison between structuring of nanoparticles in confinement and in bulk in order to explain the effect…
Pattern formation of dipolar colloids in rotating fields: layering and synchronization
We report Brownian dynamics (BD) simulation and theoretical results for a system of spherical colloidal particles with permanent dipole moments in a rotating magnetic field. Performing simulations at…
Control of self-organizing nonlinear systems
Controlling chimera patterns in networks: Interplay of structure, noise, and delay.- Emergence of clusters of locked and whirling oscillators in the Kuramoto model with Inertia.- Control of…
Spontaneous orientational order in confined dipolar fluid films
We report Monte Carlo simulation results for a strongly coupled dipolar soft-sphere (DSS) fluid confined to a nanoscopic slit pore with structureless, nonconducting walls. The central topic of our…
Self-assembly of model amphiphilic Janus particles.
Investigating energy fluctuations and cluster size distributions, the aggregation line in a temperature-density-diagram is determined, where the reduced temperature is an inverse measure for the anisotropic coupling and clusters of various sizes depending on density and reduced temperature are found.