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Article
The Dimensional Dependences of the Thermophysical Properties of Nanoparticles: Surface Tension
Within the framework of the thermodynamics of a two-phase system with a curved surface, an equation is obtained for the size dependence of the surface tension of a spherical particle at the boundary with vapor...
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Article
Thermodynamic Characteristics of the Interface between Condensed Phases in Binary Metal Alloys
A size dependence of the interfacial tension of nanoparticles, which are in a solid medium under the thermodynamic equilibrium conditions of the system, has been obtained using the thermodynamic method of Gibb...
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Article
Effect of the Size of Nanoparticles on Temperatures of Melting
An equation is obtained for the dependence of temperatures of melting on the size of spherical nanoparticles with allowance for the effect it has on surface tension. The equation transforms into the Gibbs–Thom...
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Article
Surface Tension and Parameters of Interatomic Interaction on Surfaces of Binary Solutions
An approach is proposed and used to describe the dependence of surface tension on the composition and temperature of a binary solution without using the traditional approximation of the ratio of coordination n...
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Article
Phase Equilibrium and Surface Properties of a Binary System Containing Nanoparticles
A consistent description of phase equilibrium and surface phenomena in binary systems containing monodisperse spherical nanoparticles of arbitrary (including nanoscale) size is presented in the context of the ...
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Article
Phase diagram and interfacial characteristics in a binary system
The size effects on the composition of coexisting phases, the interfacial layer between them, and the interfacial tension in a binary system composed of a matrix and the monodispersed particles of arbitrary (i...
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Article
Influence of the nanodimensional effects on the composition of coexisting phases in a binary system with curved boundaries
New relationships have been obtained in an integral form for binary systems in the case when one of the phases is dispersed (to nanometer sizes) inside another phase (matrix) in the framework of the thermodyna...
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Article
Composition and interfacial tension at the boundary of nanoprecipitates and a matrix in a binary system
New relationships for the interfacial tension and composition at the boundary of phase precipitates of arbitrary (including nanometer) size and a matrix are derived as functions of the temperature in a binary ...
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Article
Interface tension at the boundary of two condensed phases in a binary system with allowance for nanodimensional effects
A new size-dependent equation for an interface tension isotherm of spherical nanoparticles in the macroscopic matrix of a binary system is derived. Macroscopically, it transforms into a relationship that assoc...
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Article
Size dependence of the temperature coefficient of surface tension for a solid nanoparticle at the interface with vapor
New relationships have been obtained for the temperature coefficient of surface tension for a solid spherical nanoparticle at the interface with vapor dσ/dT as a function of the radius r of the surface of tension...
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Article
Dimensional dependences of the interfacial tension at a solid—liquid interface and the melting temperature of metal nanoparticles
New coordinating relationships are obtained for the dimensional dependences of melting temperature T(r) and interfacial tension σ SL (r) of a solid spherical nanoparticle at the ...
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Article
Temperature-dependent plasmon excitations in the surface layer of ordered Cu-22.5 at % Mn alloy
Temperature and energy dependences of the characteristic electron energy losses on plasmon excitations are studied in the surface layer of ordered polycrystalline Cu-22.5 at % Mn alloy. Features in the near-su...
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Article
Interfacial tension of a crystalline nanoparticle in the liquid mother phase in a one-component metallic system
The expressions for the interfacial tension on plane and curved solid-liquid boundaries and for the distance between the equimolecular separating surface and the separating surface corresponding to a zero exce...
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Article
Studying the features of copper sulfide growth during segregation on Cu(111) surface by means of AES, REELS and LEED
Features of copper sulfide growth on a Cu(111) surface resulting from sulfur impurity segregation were studied by means of AES, REELS and LEED in the range T = 300−1075 K. It was shown that the 2D sulphide format...
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Article
Equation of state of the transitive layer in a one-component system and some of its applications
We obtain the equation of state relating the interphase tension at the planar interface of a crystal—the melt proper with the surface tension of free surfaces in one-component system. Numerical calculations fo...
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Article
The Tolman parameter, self-absorption, and surface tension on flat and curved surfaces of liquid metals
Analytical expressions for Tolman parameter jg, self-absorption on a tension surface db, and surface tension σ on flat and curved surfaces were found using the thermodynamic Gibbs method. The jg, db, and σ val...
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Article
Orientation dependence of the surface segregation kinetics in Cu-6 at % Ge alloy
The surface segregation kinetics of germanium on the (110), (111), and (100) faces of Cu-6 at % Ge alloy has been investigated in the temperature range of 525–700 K by electron spectroscopy. In the initial ann...
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Article
Interfacial tension and Rusanov parameter for highly curved surfaces with different types of curvature
The expressions for the size dependence of interfacial tension σ(r) for surfaces with positive and negative curvature are derived. The parameter k in the formula σ = kr for highly curved interfaces is found in th...
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Article
Interphase segregation in binary systems with curved boundaries
The isotherm equation has been obtained for the interphase layer composition at the boundary of a dispersed spherical particle with a radius of curvature r and the dispersive medium in a binary system. The tensio...
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Article
Interface tension in a binary system with curved boundary
The equation of interface tension isotherm for a curved boundary in a binary system composed a dispersed particle (α phase) with a curvature radius r and a dispersing medium (β phase) has been obtained from the t...
