General principles of the crystallization of nanostructured disperse systems

Тип публикации: статья из журнала

Год издания: 2009

Идентификатор DOI: 10.1134/S1061933X09030053

Ключевые слова: Brownian Dynamics, Crystalline structure, Degree of ordering, Disperse systems, Elastic interactions, Inter-particle interaction, Nano-structured, Nanoparticle aggregate, New approaches, Pair interaction potential, Polydisperse, Potential curves, Self-organization, Tangential friction, Van der waals, Association reactions, Brownian movement, Crystalline materials, Nanoparticles, Polydispersity, Van der Waals forces, Structural metals

Аннотация: Regularities of the self-organization of ensembles of nanoparticles into crystalline structures in metal lyosols are studied by the Brownian dynamics. Van der Waals, elastic, and electrostatic interparticle interactions, as well as the action of dissipative and fluctuation forces are taken into account in the model. Pair interaction potentials for the polydisperse ensembles of particles are analyzed and the correlations between the pattern of potential curves and the type of formed structures (from crystalline to fractal) are revealed. The effect of interparticle tangential friction on the degree of ordering of formed structures is studied. It is demonstrated that this factor can determine the degree of ordering of nanoparticle aggregates. An essentially new approach to describing elastic interactions of nanoparticles of polymer-containing sols is implemented.

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Издание

Журнал: COLLOID JOURNAL

Выпуск журнала: Vol. 71, Is. 3

Номера страниц: 313-328

ISSN журнала: 1061933X

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

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