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In view of potential applications of magnetic particles in biomedicine and electromagnetic devices, we made use of the classical Stober method base-catalysed hydrolysis and condensation of tetraethoxysilane (TEOS) to encapsulate FeNi…

Materials Science · Physics 2009-11-13 M Ammar , F Mazaleyrat , J P Bonnet , P Audebert , A Brosseau , G Wang , Y Champion

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…

It is shown that porous spherical particles can be obtained via the freezing of silica nanoparticle aqueous suspensions emulsified in a continuous oil phase. After two freeze-thaw cycles, nanoparticles turn aggregated into flocculated…

Soft Condensed Matter · Physics 2020-05-26 Mathieu Nespoulous , Mickaël Antoni , Carine Chassigneux , Renaud Denoyel

The inner structure of polymeric particles critically influences their phase behavior and functionality, governing their mechanical properties and their physical and chemical interactions. For thermoresponsive microgels, i.e. colloidal…

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

During directional solidification of the solvent in a colloidal suspension, the colloidal particles segregate from the growing solid, forming high-particle-density regions with structure on a hierarchy of length scales ranging from that of…

Soft Condensed Matter · Physics 2011-03-09 Melissa Spannuth , S. G. J. Mochrie , S. S. L. Peppin , J. S. Wettlaufer

We present several recently synthesized nanocomposites consisting of liquid crystals as well as an organic molecular crystal embedded into the nanochannels of mesoporous alumina and silica. As liquid-crystalline mesogens achiral, nematogen…

Liquid crystals are synthetic and biological viscoelastic anisotropic soft matter materials that combine liquid fluidity with crystal anisotropy and find use in optical devices, sensor/actuators, lubrication, super-fibers. Frequently…

Soft Condensed Matter · Physics 2013-11-22 Ezequiel R. Soule , Alejandro D. Rey

We report a simple route to form robust, inorganic, semi-permeable compartments composed of montmorillonite, a natural plate-like clay mineral that occurs widely in the environment. Mechanical forces due to shear in a narrow gap assemble…

Soft Condensed Matter · Physics 2011-03-14 Anand B. Subramaniam , Jiandi Wan , Arvind Gopinath , Howard A. Stone

Nanolayered lamellae are common structures in nanoscience and nanotechnology, but most are nearly symmetric in layer thickness. Here, we report on the structure and mechanics of highly asymmetric and thermodynamically stable soft--hard…

In the modern world, the focus of natural science research thought has shifted mainly to the molecular level, including the study of water. Water is considered as a mixture of interacting H2O molecules and their clusters based on the data…

Soft Condensed Matter · Physics 2022-05-24 Tatyana Yakhno , Anatoly Sanin , Vladimir Yakhno

The interparticle interactions in a magnetic nanocomposite play a dominant role in controlling the phase transitions superparamagnetic to superspinglass to superferromagnetic. These interactions can be tuned by controlling the size and…

Materials Science · Physics 2016-07-27 V. Thiruvengadam , Satish Vitta

Copper nanoparticles have been grown in silica matrix by annealing of the sol-gel prepared porous matrix impregnated with the copper nitrate. The annealing has been performed in air, successively in air and hydrogen, and in hydrogen. Cu…

Materials Science · Physics 2007-05-23 Oleg A. Yeshchenko , Igor. M. Dmitruk , Andriy M. Dmytruk , Alexandr A. Alexeenko

We present a comprehensive study of nanoparticle deposition from drying of colloidal droplets. By means of lattice Boltzmann modeling and theoretical analysis, various deposition patterns, including mountain-like, uniform and coffee ring,…

Fluid Dynamics · Physics 2023-01-27 Feifei Qin , Linlin Fei , Jianlin Zhao , Qinjun Kang , Sauro Succi , Dominique Derome , Jan Carmeliet

In this review, we address the issue of the electrostatic complexation between charged-neutral diblock copolymers and oppositely charged nanocolloids. We show that nanocolloids such as surfactant micelles and iron oxide magnetic…

Soft Condensed Matter · Physics 2011-02-01 J. -F. Berret

Polymeric particles are strong candidates for designing artificial materials capable of emulating the complex twisting-based functionality observed in biological systems. In this letter, we provide the first detailed investigation of the…

Soft Condensed Matter · Physics 2019-10-16 H. S. Ansell , D. S. Kim , R. D. Kamien , E. Katifori , T. Lopez-Leon

In this article, we present new samples of lamellar magnetic nanocomposites based on the self-assembly of a polystyrene-b-poly(n-butyl methacrylate) diblock copolymer synthesized by atom transfer radical polymerization. The polymer films…

Silicon nanostructuring imparts unique material properties including antireflectivity, antifogging, anti-icing, self-cleaning, and/or antimicrobial activity. To tune these properties however, a good control over features size and shape is…

A series of amphiphilic LC block copolymers, in which the hydrophobic block is a smectic polymer poly(4-methoxyphenyl 4-(6-acryloyloxy-hexyloxy)-benzoate) (PA6ester1) and the hydrophilic block is polyethyleneglycol (PEG), were synthesized…

Soft Condensed Matter · Physics 2009-09-04 B. Xu , R. Pinol , M. Nono-Djamen , S. Pensec , P. Keller , P. -A. Albouy , D. Levy , M. -H. Li

Ordering nanoparticles into a desired super-structure is often crucial for their technological applications. We use molecular dynamics simulations to study the assembly of nanoparticles in a polymer brush randomly grafted to a planar…

Soft Condensed Matter · Physics 2017-12-11 Shengfeng Cheng , Mark J. Stevens , Gary S. Grest
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