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Nanocomposite materials made of block copolymer and nanoparticles display properties which can be different from the purely polymeric matrix. The resulting material is a crossover of the original properties of the block copolymer and the…

Soft Condensed Matter · Physics 2019-11-04 Javier Diaz , Marco Pinna , Andrei V. Zvelindovsky , Ignacio Pagonabarraga

In layered materials, a common mode of deformation involves buckling of the layers under tensile deformation in the direction perpendicular to the layers. The instability mechanism, which operates in elastic materials from geological to…

Materials Science · Physics 2012-01-13 Ali Makke , Michel Perez , Olivier Lame , Jean-Louis Barrat

Porous materials possess numerous useful functions because of their high surface area and ability to modulate the transport of heat, mass, fluids, and electromagnetic waves. Unlike highly ordered structures, disordered porous structures…

Soft Condensed Matter · Physics 2022-11-21 Tiancheng Wang , Robert A. Riggleman , Daeyeon Lee , Kathleen J. Stebe

Some meta-stable polymorphs of bismuth monolayer (bismuthene) can host topologically nontrivial phases. However, it remains unclear if these polymorphs can become stable through interaction with a substrate, whether their topological…

Materials Science · Physics 2022-03-02 Nils Wittemeier , Pablo Ordejón , Zeila Zanolli

The self-assembly of copolymeric vesicles and micelles in micromixers is studied by External Potential Dynamics (EPD) simulations -- a dynamic density functional approach that explicitly accounts for the polymer architecture both at the…

Soft Condensed Matter · Physics 2018-04-10 Simon Kessler , Klaus Drese , Friederike Schmid

This study focuses on the interaction of colloidal silica nanoparticles with the magnetite (Fe3O4) magnetic fluids (MF), which eventually forms nanorod like structure. The aqueous magnetic fluid consists of magnetite nanoparticles having…

Applied Physics · Physics 2020-08-05 Nidhi Ruparelia , Urveshkumar Soni , Rucha P Desai , Arbinda Ray

Block copolymer melts self-assemble in the bulk into a variety of nanostructures, making them perfect candidates to template the position of nanoparticles. The morphological changes of block copolymers are studied in the presence of a…

Soft Condensed Matter · Physics 2019-10-31 Javier Diaz , Marco Pinna , Andrei V. Zvelindovsky , Ignacio Pagonabarraga

Advances in nanotechnology lead to an increasing interest in how nanoparticles interact with biomembranes. Nanoparticles are wrapped spontaneously by biomembranes if the adhesive interactions between the particles and membranes compensate…

Subcellular Processes · Quantitative Biology 2016-09-16 Michael Raatz , Thomas R. Weikl

Magnetic nanoparticles in a colloidal solution self-assemble in various aligned structures, which has a profound influence on the flow behavior. However, the precise role of the microstructure in the development of the rheological response…

Soft Condensed Matter · Physics 2017-04-25 Dmitry Zablotsky , Elmars Blums , Hans J. Herrmann

We investigate how the microstructure of a colloidal polycrystal influences its linear viscoelasticity. We use thermosensitive copolymer micelles that arrange in water in a cubic crystalline lattice, yielding a colloidal polycrystal. The…

Soft Condensed Matter · Physics 2015-09-29 Ameur Louhichi , Elisa Tamborini , Julian Oberdisse , Luca Cipelletti , Laurence Ramos

We study the coupling between the structural dynamics and rheological response of charged colloidal monolayers at water/oil interfaces, driven into steady shear by a microdisk rotating at a controlled angular velocity. The flow causes…

Soft Condensed Matter · Physics 2015-09-14 Ivo Buttinoni , Zachary A. Zell , Todd M. Squires , Lucio Isa

Premelting at the ice-polymer interfaces, in which a quasi-liquid layer (QLL) forms below the melting point, is strongly influenced by polymer surface chemistry; however, the molecular-scale mechanisms underlying these effects remain poorly…

Soft Condensed Matter · Physics 2025-04-29 Takumi Sato , Ikki Yasuda , Noriyoshi Arai , Kenji Yasuoka

We demonstrate scaffolding of plasmonic nanoparticles by topological defects induced by colloidal microspheres to match their surface boundary conditions with a uniform far-field alignment in a liquid crystal host. Displacing energetically…

Although there are theoretical predictions [\textit{Eur.~Phys.~J.~E} \textbf{41} (2018) 110] for the rich phase behaviour of colloidal cubes mixed with non-adsorbing polymers, a thorough verification of this phase behaviour is still…

Soft Condensed Matter · Physics 2020-06-04 Frans Dekker , Alvaro Gonzalez Garcia , Albert P. Philipse , Remco Tuinier

Whereas it is experimentally known that the inclusion of nanoparticles in hydrogels can lead to a mechanical reinforcement, a detailed molecular understanding of the adhesion mechanism is still lacking. Here we use coarse-grained molecular…

Soft Condensed Matter · Physics 2019-04-23 Elsa Perrin , Martin Schoen , François-Xavier Coudert , Anne Boutin

When polyelectrolyte-neutral block copolymers are mixed in aqueous solutions with oppositely charged species, stable complexes are found to form spontaneously. The mechanism is based on electrostatics, and on the compensation between the…

Reinforcement of elastomers by colloidal nanoparticles is an important application where microstructure needs to be understood - and if possible controlled - if one wishes to tune macroscopic mechanical properties. Here the…

Soft Condensed Matter · Physics 2007-05-23 Julian Oberdisse , Peter Hine , Wim Pyckhout-Hintzen

We examine the dynamics of silica particles grafted with high molecular weight polystyrene suspended in semidilute solutions of chemically similar linear polymer using x-ray photon correlation spectroscopy. The particle dynamics decouple…

Soft Condensed Matter · Physics 2019-08-27 Ryan Poling-Skutvik , Ali H. Slim , Suresh Narayanan , Jacinta C. Conrad , Ramanan Krishnamoorti

Vesicles self-assembled from amphiphilic diblock copolymers exhibit a wide diversity of behavior upon electroporation, due to competitions between edge, surface and bending energies that drive the system, while different viscous dissipation…

Soft Condensed Matter · Physics 2009-11-07 Harry Bermudez , Helim Aranda-Espinoza , Daniel A. Hammer , Dennis E. Discher , .

We report on the structural properties of mixed aggregates made from rare-earth inorganic nanoparticles (radius 20 Angstroms) and polyelectrolyte-neutral block copolymers in aqueous solutions. Using scattering experiments and Monte Carlo…

Soft Condensed Matter · Physics 2021-09-27 K. Yokota , M. Morvan , J. -F. Berret , J. Oberdisse