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Microscopy observations show that suspensions of synthetic and natural nano-layered smectite clay particles submitted to a strong external electric field undergo a fast and extended structuring. This structuring results from the interaction…

Soft Condensed Matter · Physics 2009-11-11 J. O. Fossum , Y. Meheust , K. P. S. Parmar , K. D. Knudsen , K. J. Maloy , D. M. Fonseca

We study the ordered equilibrium structures of patchy particles where the patches are located on the surface of the colloid such that they form a regular tetrahedron. Using optimization techniques based on ideas of evolutionary algorithms…

Soft Condensed Matter · Physics 2015-06-05 G. Doppelbauer , E. G. Noya , E. Bianchi , G. Kahl

We study the structural and thermodynamic properties of patchy particle liquids, with a special focus on the role of "color", i.e. specific interactions between individual patches. A possible experimental realization of such "chromatic"…

Soft Condensed Matter · Physics 2015-07-22 Oleg A. Vasilyev , Boris A. Klumov , Alexei V. Tkachenko

We formulate statistical-mechanical inverse methods in order to determine optimized interparticle interactions that spontaneously produce target many-particle configurations. Motivated by advances that give experimentalists greater and…

Soft Condensed Matter · Physics 2007-05-23 Mikael C. Rechtsman , Salvatore Torquato , Frank H. Stillinger

Acid-base equilibria directly influence the functionality and behavior of particles in a system. Due to the ionizing effects of acid-base functional groups, particles will undergo charge exchange. The degree of ionization and their…

Soft Condensed Matter · Physics 2023-10-10 Leticia López-Flores , Monica Olvera de la Cruz

Empty liquids represent a wide class of materials whose constituents arrange in a random network through reversible bonds. Many key insights on the physical properties of empty liquids have originated almost independently from the study of…

Soft Condensed Matter · Physics 2021-12-16 John Russo , Fabio Leoni , Fausto Martelli , Francesco Sciortino

In this work we characterize the configurational space of a short chain of colloidal particles as function of the range of directional and heterogeneous isotropic interactions. The individual particles forming the chain are colloids…

Soft Condensed Matter · Physics 2015-06-05 Ivan Coluzza , Christoph Dellago

The relevance of anisotropic interactions in colloidal systems has recently emerged in the context of the rational design of new soft materials. Patchy colloids of different shapes, patterns and functionalities are considered the new…

Field induced assembly of reconfigurable structures with complex hierarchical configurations has recently become an area of intense research with the promise for exciting applications in programmable self-assembly and nano/microstructure…

Soft Condensed Matter · Physics 2026-01-14 Indira Barros , Sayanth Ramachandran , Indrani Chakraborty

Porous mesophases, where well-defined particle-depleted 'void' spaces are present within a particle-rich background fluid, can be self-assembled from colloidal particles interacting via isotropic pair interactions with competing attractions…

Soft Condensed Matter · Physics 2017-02-16 Beth A. Lindquist , Sayantan Dutta , Ryan B. Jadrich , Delia J. Milliron , Thomas M. Truskett

We theoretically and numerically studied ordering of "colloidal ionic clusters" on periodic substrate potentials as those generated by optical trapping. Each cluster consists of three charged spherical colloids: two negatively and one…

Soft Condensed Matter · Physics 2015-05-27 Samir El Shawish , Jure Dobnikar , Emmanuel Trizac

We study charge regulation of colloidal particles inside aqueous electrolyte solutions. To stabilize colloidal suspension against precipitation, colloidal particles are synthesized with either acidic or basic groups on their surface. In…

Soft Condensed Matter · Physics 2020-09-16 Amin Bakhshandeh , Derek Frydel , Yan Levin

Patchy colloidal model with three and four equivalent patches, confined in the attractive random porous media, undergo re-entrant gas-liquid phase separation with the possibility for the liquid phase density to approach zero. This unusual…

Soft Condensed Matter · Physics 2022-05-11 Taras Hvozd , Yurij V. Kalyuzhnyi , Vojko Vlachy , Peter T. Cummings

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

The generation of nanoscale square and stripe patterns is of major technological importance since they are compatible with industry-standard electronic circuitry. Recently, a blend of diblock copolymer interacting via hydrogen-bonding was…

Soft Condensed Matter · Physics 2009-11-13 Carlos I. Mendoza , Erasmo Batta

Designing and fabricating self-assembled open colloidal crystals have become one major direction in soft matter community because of many promising applications associated with open colloidal crystals. However, most of the self-assembled…

Soft Condensed Matter · Physics 2019-04-16 Krongtum Sankaewtong , Qun-li Lei , Ran Ni

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

We consider the inverse scattering problem associated with any number of interacting modes in one-dimensional structures. The coupling between the modes is contradirectional in addition to codirectional, and may be distributed continuously…

Mathematical Physics · Physics 2011-11-10 Ole Henrik Waagaard , Johannes Skaar

Entropic forces in colloidal suspensions and in polymer-colloid systems are of long-standing and continuing interest. Experiments show how entropic forces can be used to control the self-assembly of colloidal particles. Significant advances…

Soft Condensed Matter · Physics 2014-10-17 A. Scala , P. G. De Sanctis Lucentini

When polyelectrolyte-neutral block copolymers are mixed in solutions to oppositely charged species (e.g. surfactant micelles, macromolecules, proteins etc), there is the formation of stable supermicellar aggregates combining both…

Soft Condensed Matter · Physics 2007-05-23 J. -F. Berret , K. Yokota , M. Morvan