Untitled

Русанов, А. И.; Kuni, F. M.; Grinin, A. P.; Щекин, А. К.

doi:10.1023/a:1020670228275

Cited by 41 publications

(45 citation statements)

References 8 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Однако, согласно принятой модели, явно выделяются три таких сферических слоя, ко-торым можно приписать определенный радиус [12]. Первые два -поверхность углеводородного ядра с радиусом…”

Section: теоретическая частьunclassified

“…является положительной величиной (если работа мицеллообразования отрицательна), равна работе преодоления лапласовой разности давлений, т. е. потенциального барьера, возникающего при пере-носе поверхностно-активных молекул (ионов) в мицеллу и обусловленного кривизной ее поверх-ности [11,12].…”

Section: теоретическая частьunclassified

“…Оцененные подобным образом и приведенные в литературе значения межфазного натяжения, например для сферических мицелл в растворе додецилсульфата натрия, колеблются от 30 до 50 мДж/м 2 [8,11,12], для децилсульфата натрия -43,6 мДж/м 2 (разность поверхностного натяжения воды и децилового спирта) [13]. Таким образом, использование подобных оценок, например для вы-числения свободной энергии мицеллообразования, является слишком грубым приближением, тем бо-лее, что эти оценки не различают межфазное натя-жение мицелл в последовательности гомологов.…”

Section: Introductionunclassified

“…Электростатическая энергия здесь представ-ляется в виде двух слагаемых: энергии всех ионов (поверхностно-активных «голов» и противоионов) с суммарным зарядом Полная энергия ионов в ДЭС: [8,12].…”

unclassified

“…Геометрические расчеты показывают, что противоионы первой координационной сферы час-тично встраиваются между полярными «головами» поверхностно-активных ионов таким образом, что Радиус гидратированного иона натрия   2 l 3,6 Å, радиус полярной «головы» анионов алкил-сульфатов натрия принят равным соответствую-щей величине гидратированного сульфат-иона: [8,12,17,28].…”

unclassified

See 4 more Smart Citations

Thermodynamic Characteristics of the Surface of Spherical Micelles in Sodium n-Alkylsulphates Solution

Kuznetsov¹,

Усольцева²,

Zherdev³

et al. 2016

Liq. Cryst. and their Appl.

View full text Add to dashboard Cite

show abstract

Section: теоретическая частьunclassified

Section: Introductionunclassified

unclassified

See 3 more Smart Citations

Thermodynamic Characteristics of the Surface of Spherical Micelles in Sodium n-Alkylsulphates Solution

Kuznetsov¹,

Усольцева²,

Zherdev³

et al. 2016

Liq. Cryst. and their Appl.

View full text Add to dashboard Cite

show abstract

Nucleation and Growth Kinetics of Nanofilms

Кукушкин

Осипов

2005

Nucleation Theory and Applications

View full text Add to dashboard Cite

It follows that it cannot be our task to find an absolutely correct theory, but rather a picture that is as simple as possible while representing the phenomenon as well as possible. Ludwig BoltzmannThe present chapter gives an outline of basic results concerning the theoretical description of processes of formation and growth of nanofilms in one-and multicomponent cases. Hereby the attention is directed to the analysis of both nucleation and further evolution of nanoparticle ensembles on substrates in metastable and unstable regions of the thermodynamic phase space. Models for nanofilm growth from vapor and liquid solutions are analyzed. They include the description of nanoisland size distributions, coalescence, orientation, morphological stability, etc. Processes of formation and further development of different instabilities, the formation of nonlinear density waves and oriented growth of nanoislands are studied as well.Condensation kinetics of nanofilms in dependence on possible chemical reactions of the components is analyzed. The technique of calculation of phase coexistence diagrams is outlined. The influence of various factors affecting nucleation of nanoparticles -such as wetting effects, electromagnetic radiation, and acidity of the medium -is studied. IntroductionElectronic devices based on nanostructures are widely used in many fields of human activity. At present, a great interest is found directed to an application of nanostructures, especially double heterostructures, in semiconductor physics, optics, and microelectronics [1-5]. Nanostructures can be prepared by a variety of different methods [1-10]. Here, we examine in detail processes of formation of nanoparticles on the surface of solid substrates. Particles of sizes, which are not larger than 100 nm, are considered hereby as nanoparticles. As for crystals of such sizes, they do not contain, in general, dislocations or some other linear defects. Films composed of such particles have a well-developed surface. This feature leads to the formation of unique properties of the nanosystems, which are not observed in ordinary materials. On the surface of solid substrates, nanoparticles can be prepared by deposition from liquid or solid phases [1][2][3][4][5][6][7]. In addition, they can be obtained by using the sol-gel technology or electrodeposition [9, 10]. Processes of nanocrystal formation represent typical first-order phase transitions. While the nanocrystals formed on the surface of substrates are not elastically stressed, processes of their formation by nucleation can be described by means of the classical nucleation theory. In the case, where nanocrystals are elastically stressed and they are formed on crystal substrates, the main approaches and methods of description of their nucleation remain unchanged; however, the mechanism of formation and growth of nanoparticles is of another physical nature. Therefore, we start with the analysis of nucleation of unstressed nanostructures and then, in the next section, we present new approaches to the descr...

show abstract