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A series of MD and DFT simulations were performed to investigate hydrogen self-clustering and retention in tungsten. Using a newly develop machine learned interatomic potential, spontaneous formation of hydrogen platelets was observed after…

Materials Science · Physics 2023-07-20 M. A. Cusentino , E. L. Sikorski , M. J. McCarthy , A. P. Thompson , M. A. Wood

Self-assembly structures of gemini surfactants are characterized, among others, for their low CMC. This characteristic could be due to great hydrophobic parts in their molecular structures. That availability could imply great stability of…

Soft Condensed Matter · Physics 2020-04-07 Vicente Domínguez-Arca , Juan Sabín , Pablo Taboada , Luís García-Río , Gerardo Prieto

Based on Brownian Dynamics (BD) simulations, we study the dynamical self-assembly of active Brownian particles with dipole-dipole interactions, stemming from a permanent point dipole at the particle center. The propulsion direction of each…

Soft Condensed Matter · Physics 2021-06-09 Guo-Jun Liao , Carol K. Hall , Sabine H. L. Klapp

We introduce an exactly solvable statistical-mechanical model of the hydration of non-polar compounds, based on grouping water molecules in clusters where hydrogen bonds and isotropic interactions occur; interactions between clusters are…

Statistical Mechanics · Physics 2009-11-07 Pierpaolo Bruscolini , Lapo Casetti

The interaction of amphiphilic polymers with small colloids, capable to reversibly stick onto the chains, is studied. Adhesive small colloids in solution are able to dynamically bind two polymer segments. This association leads to…

Soft Condensed Matter · Physics 2010-11-10 Vladimir A. Baulin , Albert Johner , Josep Bonet Avalos

Quantifying the critical micelle concentration (CMC) and understanding its relationship with both the intrinsic molecular structures and environmental conditions are crucial for the rational design of surfactants. Here, we develop a…

Soft Condensed Matter · Physics 2024-12-05 Chao Duan , Mu Wang , Ahmad Ghobadi , David M. Eike , Rui Wang

Spatially localised defect structures emerge spontaneously in a hydrodynamic description of an active polar fluid comprising polar 'actin' filaments and 'myosin' motor proteins that (un)bind to filaments and exert active contractile…

Biological Physics · Physics 2017-02-22 Kabir Husain , Madan Rao

The sputter deposition of alternating layers of Ni(V) and Al forms a reactive multilayer known to undergo self-propagating formation reactions when ignited. The sequential deposition process leads to nm-scale premixing of reactants at each…

Materials Science · Physics 2025-09-12 Michael J Abere , Paul G. Kotula , Jonathan S. Paras , David P. Adams

Adding a non-adsorbing polymer to passive colloids induces an attraction between the particles via the `depletion' mechanism. High enough polymer concentrations lead to phase separation. We combine experiments, theory and simulations to…

Soft Condensed Matter · Physics 2016-07-13 J. Schwarz-Linek , C. Valeriani , A. Cacciuto , M. E. Cates , D. Marenduzzo , A. N. Morozov , W. C. K. Poon

The formation of iterated structures, such as satellite and sub-satellite drops, filaments and bubbles, is a common feature in interfacial hydrodynamics. Here we undertake a computational and theoretical study of their origin in the case of…

Fluid Dynamics · Physics 2018-01-24 Michael C. Dallaston , Marco A. Fontelos , Dmitri Tseluiko , Serafim Kalliadasis

Binary mixtures of water with lower alcohols display non-linear phase behaviour upon mixing which are attributed to potential cluster formation at molecular level. Unravelling such elusive structures requires the investigation of…

Soft Condensed Matter · Physics 2023-10-09 Riccardo Morbidini , Robert M. Edkins , Mark Devonport , Gøran Nilsen , Tilo Seydel , Katharina Edkins

We investigate the collective behavior of suspended thermoresponsive microgels, that expel solvent and subsequently decrease in size upon heating. Using a binary mixture of differently thermoresponsive microgels, we demonstrate how…

If particles interact according to isotropic pair potentials that favor multiple length scales, in principle a large variety of different complex structures can be achieved by self-assembly. We present, motivate, and discuss a conjecture…

Soft Condensed Matter · Physics 2018-11-07 Erdal C. Oğuz , Aleksandar Mijailović , Michael Schmiedeberg

Theoretical calculations of the mixed aggregation/coalescence (kFC) rate corresponding to a set of hexadecane-in-water nano-emulsions stabilized with sodium dodecyl sulphate (SDS) at different NaCl concentrations are presented. The rates…

Soft Condensed Matter · Physics 2015-07-08 German Urbina-Villalba , Neyda Garcia-Valera , Kareem Rahn-Chique

We introduce a soliton model to describe conformational structure of poly(oxyethylene) in aqueous solution. The model is based on former investigations for twistons in polyethylene, and the soliton solution corresponds to stable excitation…

Soft Condensed Matter · Physics 2007-05-23 D. Bazeia , M. Z. Hernandes , A. M. Simas

Hydrodynamically interacting active particles in an external harmonic potential form a self-assembled fluid pump at large enough P\'eclet numbers. Here, we give a quantitative criterion for the formation of the pump and show that particle…

Soft Condensed Matter · Physics 2015-06-18 Marc Hennes , Katrin Wolff , Holger Stark

Gallenene is a promising low-dimensional material with a structure down to the thickness of a single atom, similar to graphene. However, van der Waals stacking of two-dimensional (2D) gallenene under confinement remain poorly understood. In…

Active matter comprised of many self-driven units can exhibit emergent collective behaviors such as pattern formation and phase separation in both biologica and synthetic systems. While these behaviors are increasingly well understood for…

Soft Condensed Matter · Physics 2015-07-27 Syeda Sabrina , Matthew Spellings , Sharon C. Glotzer , Kyle J. M. Bishop

The optical birefringence of liquid n-hexane condensed in an array of parallel silica channels of 7nm diameter and 400 micrometer length is studied as a function of filling of the channels via the vapor phase. By an analysis with the…

Mesoscale and Nanoscale Physics · Physics 2009-07-22 Andriy V. Kityk , Klaus Knorr , Patrick Huber

Inter-site interactions play a crucial role in polar gases in optical lattices even in the absence of hopping. We show that due to these long-range interactions a destabilized stack of quasi-one dimensional Bose-Einstein condensates…

Quantum Gases · Physics 2012-03-22 Kazimierz Łakomy , Rejish Nath , Luis Santos