Перегляд за автором "Gospodarev, I.A."

Результати 1-8 з 8

Effect of step-edge on spectral properties and planar stability of metallic bigraphene

Eremenko, V.V.; Sirenko, V.A.; Gospodarev, I.A.; Syrkin, E.S.; Feodosyev, S.B.; Bondar, I.S.; Saxena, S.S.; Feher, A.; Minakova, K.A. (Физика низких температур, 2016)

Phonon and electron spectra of metallic bigraphene are analyzed in the presence of step-edge crystal imperfection. Different geometries of step-edge are considered. The dynamic planar stability of the considered structure ...
Evolution of discrete local levels into an impurity band in solidified inert gas solution

Kosevich, A.M.; Feodosyev, S.B.; Gospodarev, I.A.; Grishaev, V.I.; Kotlyar, O.V.; Kruglov, V.O.; Manzhelii, E.V.; Syrkin, E.S. (Физика низких температур, 2007)

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 ...
Negative thermal expansion of HTSC-type structures: low temperature structure measurements on Eu₁₊x(Ba₁₋yRy) ₂₋xCu₃O₇₋d compounds and theoretical treatment

Eremenko, V.V.; Feodosyev, S.B.; Gospodarev, I.A.; Sirenko, V.A.; Shvedun, M.Yu.; McCallum, W.; Tovar, M. (Физика низких температур, 2005)

The temperature dependences of the lattice parameters were investigated on the perovskite-like structures Eu₁₊x(Ba₁₋yRy) ₂₋xCu₃O₇₋d with Ba substitution by light rare earth, using x-ray diffraction techniques. A negative ...
Oscillatory spectra of surface atoms in strongly anisotropic layered crystal (quasi-1D behaviour)

Feodosyev, S.B.; Gospodarev, I.A.; Gryshaev, A.V.; Gryshaev, V.I.; Mamalui, M.A.; Minaev, P.A.; Syrkin, E.S. (Condensed Matter Physics, 2000)

Vibrations localized near the surface have been analyzed using the Jacobian matrix method taking into account discreteness of the lattice. It has been shown that localized surface vibrations in layered crystals have ...
Phonon spectra and vibrational heat capacity of quasi-one-dimensional structures formed by rare gas atoms on the surface of carbon nanotube bundles

Manzhelii, E.V.; Feodosyev, S.B.; Gospodarev, I.A. (Физика низких температур, 2019)

The features of phonon spectra and their effect on the vibrational heat capacity of linear chains of inert gas atoms adsorbed onto a substrate, which is the surface of nanotubes bound to a nanobundle. The influence of ...
Phonon spectrum and vibrational characteristics of linear nanostructures in solid matrices

Manzhelii, E.V.; Feodosyev, S.B.; Gospodarev, I.A.; Syrkin, E.S.; Minakova, K.A. (Физика низких температур, 2015)

The atomic dynamics of linear chains embedded in a crystalline matrix or adsorbed on its surface is studied. A linear chain formed by substitutional impurities in a surface layer and at the same time offsetting from ...
Theory of rare gas alloys: heat capacity

Bagatskii, M.I.; Feodosyev, S.B.; Gospodarev, I.A.; Kotlyar, O.V.; Manzhelii, E.V.; Nedzvetskiy, A.V.; Syrkin, E.S. (Физика низких температур, 2007)

Low-temperature heat capacity of cryocrystals, which contain impurity clusters has been investigated theoretically and experimentally. Such defects might essentially enrich low-frequency part of the phonon spectrum by ...
Vibrational dynamical and thermodynamical characteristics of the superlattices based on the metal-hydrogen system

Feodosyev, S.B.; Gospodarev, I.A.; Grishaev, V.I.; Syrkin, E.S. (Физика низких температур, 2003)

The phonon spectra and vibrational thermodynamical characteristics of the Pd-H superlattices are investigated. Results of our calculations give a possibility to agree the data of neutronographic and calorimetric experiments ...

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Перегляд за автором "Gospodarev, I.A."

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