Evolution of the fractal-like aggregate system in colloids / Elfimova Ekaterina,Ivanov Alexey O.,Zubarev Andrej Yu. // PHYSICAL REVIEW E. - 2006. - V. 74, l. 2, 1.

ISSN/EISSN:

1539-3755 / нет данных

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.

Author keywords:

DIFFUSION-LIMITED AGGREGATION; PHASE-SEPARATION; GROWTH; FIELD; DIMENSIONS; KINETICS

DOI:

10.1103/PhysRevE.74.021408

Web of Science ID:

ISI:000240238100047

Соавторы в МНС:

Другие поля

Поле	Значение
Month	AUG
Publisher	AMERICAN PHYSICAL SOC
Address	ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
Language	English
Article-Number	021408
Keywords-Plus	DIFFUSION-LIMITED AGGREGATION; PHASE-SEPARATION; GROWTH; FIELD; DIMENSIONS; KINETICS
Research-Areas	Physics
Web-of-Science-Categories	Physics, Fluids \& Plasmas; Physics, Mathematical
ResearcherID-Numbers	Elfimova, Ekaterina/P-5003-2016 Zubarev, Adrey/B-4752-2014 Ivanov, Alexey/E-4442-2011
ORCID-Numbers	Ivanov, Alexey/0000-0001-8239-4039 Elfimova, Ekaterian/0000-0002-8941-8184
Number-of-Cited-References	27
Usage-Count-Last-180-days	3
Usage-Count-Since-2013	9
Journal-ISO	Phys. Rev. E
Doc-Delivery-Number	080HI