55 citations · 261 across the 25 of their papers we have counts for
26 papers
Perspective on Magnetic Nanoparticle Modeling: Interactions, Timescales and Regimes
Deniz Mostarac, Andrey A. Kuznetsov, Manuel Wolfschwenger +7
The response of magnetic nanoparticles (MNPs) to applied magnetic fields underpins a broad range of biomedical and technological applications. In this Perspective, we review the pr…
Surface Roughness and Filler Restructuring in Magneto-Active Elastomers: Magnetically Hard versus Magnetically Soft Particles
Júlio P. A. Santos, Mehdi Hasanzade, Chaitanya Doifode +5
Magneto-active elastomers (MAEs) -- composites of magnetic nano-/micro-particles embedded in a soft polymer matrix -- are promising for soft robotics, as their shape and mechanical…
Thermal Stoner-Wohlfarth Model for Magnetodynamics of Single Domain Nanoparticles: Implementation and Validation
Deniz Mostarac, Andrey A. Kuznetsov, Santiago Helbig +4
We present the thermal Stoner-Wohlfarth (tSW) model and apply it in the context of Molecular Dynamics simulations. The model is validated against an ensemble of immobilized, random…
Stockmayer supracolloidal magnetic polymers under the influence of an applied magnetic field and a shear flow
Ivan S. Novikau, Vladimir V. Zverev, Ekaterina V. Novak +1
The idea of creating magnetically controllable colloids whose rheological properties can be finely tuned on the nano- or micro-scale has caused a lot of experimental and theoretica…
Role of ionic surfactant in magnetic dynamics of self-assembled dispersions of nanoplatelets
Hajnalka Nádasi, Melvin Küster, Alenka Mertelj +9
In complex colloidal systems, interparticle interactions strongly affect the dynamics of the constituting particles. A study of the dynamical response also provides invaluable info…
Magnetostatic response and field-controlled haloing in binary superparamagnetic mixtures
Andrey A. Kuznetsov, Sofia S. Kantorovich
Nowadays, magnetoresponsive soft materials, based not simply on magnetic nanoparticles, but rather on multiple components with distinct sizes and magnetic properties, both in liqui…
Kinetically limited valence of colloidal particles with surface mobile DNA linkers
Pedro A. Sánchez, Alessio Caciagli, Sofia S. Kantorovich +1
We characterize the self-assembly of colloidal particles with surface mobile DNA linkers under kinetically limited valence conditions. For this, we put forward a computer simulatio…
Self-consistent solution of magnetic and friction energy losses of a magnetic nanoparticle
Santiago Helbig, Claas Abert, Pedro A. Sánchez +2
We present a simple simulation model for analysing magnetic and frictional losses of magnetic nano-particles in viscous fluids subject to alternating magnetic fields. Assuming a pa…
Behaviour of a magnetic nanogel in a shear flow
Ivan S. Novikau, Ekaterina V. Novak, Elena S. Pyanzina +1
Magnetic nanogels (MNG) -- soft colloids made of polymer matrix with embedded in it magnetic nanoparticles (MNPs) -- are promising magneto-controllable drug carriers. In order to d…
Magnetostriction in elastomers with mixtures of magnetically hard and soft microparticles: effects of non-linear magnetization and matrix rigidity
Oleg V. Stolbov, Pedro A. Sánchez, Sofia S. Kantorovich +1
In this contribution a magnetoactive elastomer (MAE) of mixed content, i.e., a polymer matrix filled with a mixture of magnetically soft and magnetically hard spherical particles,…
Adsorption transition of a grafted ferromagnetic filament controlled by external magnetic fields
Pedro A. Sánchez, Ekaterina V. Novak, Elena S. Pyanzina +3
Extensive Langevin dynamics simulations are used to characterize the adsorption transition of a flexible magnetic filament grafted onto an attractive planar surface. Our results id…
The influence of an applied magnetic field on the self-assembly of magnetic nanogels
Ivan S. Novikau, Pedro A. Sánchez, Sofia S. Kantorovich
Using Langevin dynamics simulations, we investigate the self-assembly of magnetic nanogels in the presence of applied magneticfields of moderate strength. We find that even weak fi…
The impact of magnetic field on the conformations of supracolloidal polymer-like structures with super-paramagnetic monomers
Deniz Mostarac, Ekaterina Novak, Pedro A. Sánchez +1
We investigate the properties of magnetic supracolliodal polymers -- magnetic filaments (MFs) -- with super-paramagnetic monomers, with and without Van der Waals (VdW) attraction b…
Diffusion of single active-dipolar cubes in applied fields
Martin Kaiser, Yeimy Martinez, Annette M. Schmidt +2
"Active matter" refers to a class of out-of-equilibrium systems whose ability to transform environmental energy to kinetic energy is sought after in multiple fields of science and…
The structure of clusters formed by Stockmayer supracolloidal magnetic polymers
Ekaterina V. Novak, Elena S. Pyanzina, Pedro A. Sánchez +1
Unlike Stockmayer fluids, that prove to undergo gas-liquid transition on cooling, the system of dipolar hard or soft spheres without any additional central attraction so far has no…
Suspensions of magnetic nanogels at zero field: equilibrium structural properties
Ivan S. Novikau, Elena S. Minina, Pedro A. Sánchez +1
Magnetic nanogels represent a cutting edge of magnetic soft matter research due to their numerous potential applications. Here, using Langevin dynamics simulations, we analyse the…
The influence of crosslinkers and magnetic particle distribution along the filament backbone on the magnetic properties of supracolloidal linear polymer-like chains
Deniz Mostarac, Leo Vaughan, Pedro A. Sánchez +1
Diverse polymer crosslinking techniques allow the synthesis of linear polymer-like structures whose monomers are colloidal particles. In the case where all or part of these colloid…
Magnetic properties of clusters of supracolloidal magnetic polymers with central attraction
Ekaterina V. Novak, Vladimir S. Zverev, Elena S. Pyanzina +2
Supracolloidal magnetic polymers (SMPs) are structures made by crosslinking magnetic particles. In this work, using Langevin dynamics simulations, we study the zero-field magnetic…
Unknotting of quasi-two-dimensional ferrogranular networks by in-plane homogeneous magnetic fields
Pedro A. Sánchez, Justus Miller, Sofia S. Kantorovich +1
Our ongoing research addresses, by means of experiments and computer simulations, the aggregation process that takes place in a shaken granular mixture of glass and magnetized stee…
Studying synthesis confinement effects on the internal structure of nanogels in computer simulations
Elena S. Minina, Pedro A. Sánchez, Christos N. Likos +1
We study the effects of droplet finite size on the structure of nanogel particles synthesized by random crosslinking of molecular polymers diluted in nanoemulsions. For this, we us…
Suspensions of supracolloidal magnetic polymers: self-assembly properties from computer simulations
E. V. Novak, E. S. Pyanzina, D. A. Rozhkov +5
We study self-assembly in suspensions of supracolloidal polymer-like structures made of crosslinked magnetic particles. Inspired by self-assembly motifs observed for dipolar hard s…
Ferrogels cross-linked by magnetic particles: Field-driven deformation and elasticity studied using computer simulations
Rudolf Weeber, Sofia Kantorovich, Christian Holm
Ferrogels, i.e. swollen polymer networks into which magnetic particles are immersed, can be considered as "smart materials" since their shape and elasticity can be controlled by an…
Kinetic and ion pairing contributions in the dielectric spectra of electrolyte aqueous solutions
Marcello Sega, Sofia Kantorovich, Christian Holm +1
Understanding dielectric spectra can reveal important information about the dynamics of solvents and solutes from the dipolar relaxation times down to electronic ones. In the late…
Kinetic dielectric decrement revisited: phenomenology of finite ion concentrations
Marcello Sega, Sofia Kantorovich, Axel Arnold
With the help of a recently developed non-equilibrium approach, we investigate the ionic strength dependence of the Hubbard--Onsager dielectric decrement. We compute the depolariza…