Zobrazeno 1 - 10
of 104
pro vyhledávání: '"A. M. Kosevich"'
Publikováno v:
Research on Chemical Intermediates. 45:4163-4177
The photodegradation of the cationic dyes methylene blue, acridine yellow and acridine orange adsorbed on TiO2, TiO2/SiO2, SiO2 and Ag/SiO2 mesoporous films has been studied by electronic spectroscopy and laser desorption/ionization mass-spectrometry
Autor:
A. M. Kosevich, E. S. Syrkin, Igor Gospodarev, V. I. Grishaev, V. O. Kruglov, E. V. Manzheliĭ, A. V. Kotlyar, S. B. Feodosyev
Publikováno v:
Journal of Experimental and Theoretical Physics. 105:4-11
The phonon densities of states in disordered solid solutions of aluminum in silver are determined using the Jacobi matrix method. The transformation of discrete vibrational levels (local vibrational modes) into an impurity band with increasing concen
Autor:
S. B. Feodosyev, V. I. Grishaev, A. M. Kosevich, E. V. Manzhelii, V. O. Kruglov, Igor Gospodarev, E. S. Syrkin, O. V. Kotlyar
Publikováno v:
Scopus-Elsevier
The density of states g(w) of disordered solutions of solidified inert gases have been calculated using the Jacobian matrix method. The transformation of a discrete vibrational level into an impurity zone at a growing concentration of light impurity
Publikováno v:
Crystallography Reports. 51:S150-S157
The influence of the substrate temperature Tsub (20–360°C) and the oxygen pressure P(O2) (5 × 10−3−0.13 Pa) in an evaporation chamber on the structure and phase composition of films prepared through laser sputtering of a vanadium target is in
Autor:
E. S. Syrkin, Igor Gospodarev, V. I. Grishaev, S. B. Feodosyev, A. M. Kosevich, O. V. Kotlyar
Publikováno v:
Journal of Low Temperature Physics. 139:665-674
Characteristics of the discrete vibration levels of substitution impurity are calculated for frequencies belong to gap between acoustic and optical zones (deuterium in PdH) as well as for the areas outside the phonon spectra (hydrogen in PdD). Data o
Autor:
A. M. Kosevich
Publikováno v:
Low Temperature Physics. 31:37-40
A model description of the electrothermal effect in a superfluid liquid is proposed. It is hypothesized that the superfluid state is an ordered state with an isotropic quadrupole moment which does not manifest electrical properties in an equilibrium
Publikováno v:
Low Temperature Physics. 30:500-504
The scattering of acoustic waves on a planar defect in the interior of a crystal is studied by the methods of lattice dynamics. The model chosen consists of two semi-infinite, highly anisotropic crystals, the forces of interaction between which are d
Autor:
A. M. Kosevich
Publikováno v:
Low Temperature Physics. 30:247-252
The equations of small oscillations of a dislocation lattice formed by a periodic system of parallel rectilinear screw dislocations are formulated. The stability of such a lattice is discussed, and it is shown that it brings about a corresponding spo
Publikováno v:
Low Temperature Physics. 29:414-421
In Part 1 a relatively simple model of a strongly anisotropic layered crystal is use to study various types of surface waves in the long-wavelength approximation. Particular solutions are obtained for the lattice-dynamics equations in the presence of
Autor:
M. A. Mamalui, A. M. Kosevich
Publikováno v:
Journal of Experimental and Theoretical Physics. 95:777-787
A model of a dielectric or an elastic superlattice is proposed which describes quite simply the frequency spectrum of electromagnetic or acoustic waves. The frequency band spectrum of a one-dimensional lattice consists of minibands, which narrow down