Evolution of the fractal-like aggregate system in colloids / Elfimova E., Ivanov A.O., Zubarev A.Yu. // Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. - 2006. - V. 74, l. 2.

ISSN:

15393755

Type:

Article

Abstract:

The evolution of a colloidal fractal-like aggregate system is studied theoretically with account for the reduction of the single-particle concentration in the space between these growing aggregates. Two different mechanisms of the initial aggregate formation are considered. They are heterogeneous aggregation, when the initial aggregates appear on foreign nuclei (the biggest particles, pollution, etc.), and homogeneous nucleation, when the initial clusters appear due to a random meeting and combination of single Brownian particles. The principles of colloid supersaturation decrease and the aggregate distribution in size are obtained in both cases as well as the internal structure of the clusters. Unlike the usual condensation-type phase transition, the system of discrete clusters is formed at the final stage of the aggregation process. The internal particle distribution in these clusters does not obey the universal scaling power law, which differs from the model case of separate cluster growth in an infinite colloidal medium with permanent concentration of free particles. © 2006 The American Physical Society.

Author keywords:

Index keywords:

Aggregates; Brownian movement; Concentration (process); Fractals; Nucleation; Particle size analysis; Phase transitions; Supersaturation; Colloidal fractal-like aggregate systems; Free particles; Grow

DOI:

10.1103/PhysRevE.74.021408

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https://www.scopus.com/inward/record.uri?eid=2-s2.0-33747663605&doi=10.1103%2fPhysRevE.74.021408&partnerID=40&md5=572eb1addf43ad8cf716e171a5dd8c17

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Другие поля

Поле	Значение
Art. No.	021408
Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-33747663605&doi=10.1103%2fPhysRevE.74.021408&partnerID=40&md5=572eb1addf43ad8cf716e171a5dd8c17
Affiliations	Urals State University, Lenin Avenue, 51, 620083, Ekaterinburg, Russian Federation
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Correspondence Address	Elfimova, E.; Urals State University, Lenin Avenue, 51, 620083, Ekaterinburg, Russian Federation
CODEN	PLEEE
Language of Original Document	English
Abbreviated Source Title	Phys. Rev. E Stat. Nonlinear Soft Matter Phys.
Source	Scopus