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Mesoporous silica particles of MCM-41 type were synthesized by sol-gel method from tetraethyl orthosilicate (TEOS) in 2-methoxyethanol and deionized water mixture in base conditions at room temperature. Ammonia or sodium hydroxides were…

The environmental risks posed by traditional oil and grease-based lubricants can be significantly mitigated by adopting water-based alternatives engineered with superior rheological performance. In this work, we present a fundamentally new…

Soft Condensed Matter · Physics 2025-06-30 Arun Kumar , Vivek Kumar , Yogesh M. Joshi , Manjesh K. Singh

A study of the reinforcement effect of a soft polymer matrix by hard nanometric filler particles is presented. In the main part of this article, the structure of the silica filler in the matrix is studied by Small Angle Neutron Scattering…

Soft Condensed Matter · Physics 2007-05-23 Julian Oberdisse , Abdeslam El Harrak , Geraldine Carrot , Jacques Jestin , Francois Boue

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

Ion complexes hold the key for various energy transfer and communication systems in nature and industries. Achieving controllable mechanical and electrical properties in these complex systems is highly desirable but remains challenging. In…

Materials Science · Physics 2024-12-18 Jihua Chen , Alejandro Espera , Jan Michael Y. Carrillo , Rigoberto Advincula

Periodic assemblies of nanoparticles are central to surface patterning, with applications in biosensing, energy conversion, and nanofabrication. Evaporation of colloidal droplets on substrates provides a simple yet effective route to…

Soft Condensed Matter · Physics 2026-01-29 Suman Bhattacharjee , Sanjoy Khawas , Sunita Srivastava

Explicit molecular dynamics simulations were applied to a pair of amorphous silica nanoparticles of diameter 3.2 nm immersed in a background electrolyte. Mean forces acting between the pair of silica nanoparticles were extracted at four…

Chemical Physics · Physics 2007-09-11 S. Jenkins , S. R. Kirk , M. Persson , J. Carlen , Z. Abbas

Unrestricted particle transport through microfluidic channels is of paramount importance to a wide range of applications, including lab-on-a-chip devices. In this article, we study using video microscopy the electro-osmotic aggregation of…

Soft Condensed Matter · Physics 2021-04-02 Zhu Zhang , Joost de Graaf , Sanli Faez

Nanodiamond reinforced silver matrix nanocomposites with different nanodiamond content are produced from pure silver and nanodiamond powders by a combination of two severe plastic deformation methods, ball-milling and high-pressure torsion…

Applied Physics · Physics 2020-03-25 A. Katzensteiner , J. M. Rosalie , R. Pippan , A. Bachmaier

Silica nanoparticles have emerged as key building blocks for advanced applications in electronics, catalysis, energy storage, biomedicine, and environmental science. In this review, we focus on recent developments in both the synthesis and…

Materials Science · Physics 2025-03-31 Srabani Karmakar , Milind Deo , Imteaz Rahaman , Swomitra Kumar Mohanty

Amorphous silica deforms viscoplastically at elevated temperatures, as is common for brittle glasses. The key mechanism of viscoplastic deformation involves interatomic bond switching, which is known to be a thermally activated process. In…

Colloidal lead sulfide is a versatile material with great opportunities to tune the bandgap by electronic confinement and to adapt the optical and electrical properties to the target application. We present a new and simple synthetic route…

Materials Science · Physics 2015-07-20 Frauke Gerdes , Mirjam Volkmann , Thomas Bielewicz , Constanze Schliehe , Christian Klinke

Hybrid metallic nanoparticles encapsulated in oxide shells are currently intensely studied for plasmonic applications in sensing, medicine, catalysis, and photovoltaics. Here, we introduce a method for the synthesis of Au@Ag@SiO$_2$ cubes…

Spin-coating technique is very fast, cheap, reproducible, simple and needs less material to fabricate films of particulate systems/colloids. Their thickness and uniformity may be controlled by means of external fields. We apply magnetic…

Soft Condensed Matter · Physics 2017-09-27 Raheema Aslam , Wenceslao González-Viñas

Supersonic turbulence is believed to be at the heart of star formation. We have performed smoothed particle magnetohydrodynamics (SPMHD) simulations of the small-scale dynamo amplification of magnetic fields in supersonic turbulence. The…

Instrumentation and Methods for Astrophysics · Physics 2016-06-03 Terrence S. Tricco , Daniel J. Price , Christoph Federrath

Manipulating the shape of nanoscale objects in a controllable fashion is at the heart of designing materials that act as building blocks for self-assembly or serve as targeted drug delivery carriers. Inducing shape deformations by…

Soft Condensed Matter · Physics 2014-09-15 Vikram Jadhao , Creighton K. Thomas , Monica Olvera de la Cruz

Concentrated fabric conditioners are water-based formulations containing 10 wt. % of cationic surfactants that are deposited on textile fibers during the rinse cycle in a washing machine to make them smoother and softer to touch. In topical…

Oils and fragrances can be encapsulated by using composite shells of silica nanoparticles, polymer and surfactant (potassium oleate). The template for the creation of the core-shell structure is a particle stabilized (Pickering) emulsion.…

Soft Condensed Matter · Physics 2020-09-11 T. G. Slavova , G. M. Radulova , P. A. Kralchevsky , K. D. Danov

The paper presents the results of investigation of the structure of porous condensates of Ag-NaCl and Cu-NaCl composition; chemical and phase compositions and dimensions of nanoparticles, produced from the vapour phase by EBPVD method.…

Materials Science · Physics 2019-01-04 Yu. A. Kurapov , S. E. Litvin , S. M. Romanenko , G. G. Didikin , N. N. Belyavina

The design of strategies to generate efficient mixing is crucial for a variety of applications, particularly digital microfluidic devices that use small "discrete" fluid volumes (droplets) as fluid carriers and microreactors. In recent…

Chaotic Dynamics · Physics 2008-09-03 R. Chabreyrie , D. Vainchtein , C. Chandre , P. Singh , N. Aubry