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 Найдено в других БД:Каталог книг и продолжающихся изданий (17)Каталог диссертаций и авторефератов диссертаций УрО РАН (3)Нанотехнологии (6)Труды Института высокотемпературной электрохимии УрО РАН (8)Труды сотрудников Института органического синтеза УрО РАН (2)Труды сотрудников Института химии твердого тела УрО РАН (78)Расплавы (8)Публикации Чарушина В.Н. (1)
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Общее количество найденных документов : 6
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1.

Вид документа : Статья из журнала
Шифр издания : 53/E 93
Автор(ы) : Ionov G. V., Dremov V. V., Karavaev A. V., Protsenko S.P., Baidakov V. G., Tipeev A. O.
Заглавие : Evaluation of metastable region boundaries for liquid and solid states in MD simulations [Электронный ресурс]
Место публикации : Journal of Physics : Condensed Matter. - 2014. - Vol.500, №17. - С. Article number 172004
Систем. требования: http://www.scopus.com/record/display.url?eid=2-s2.0-84902335896&origin=resultslist&sort=plf-f&src=s&st1=Baidakov&st2
Примечания : Bibliogr. : (6 ref) . - 26.08.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): diffusion--dynamic loads--liquids
Аннотация: An automatic method based on MD simulations was developed for detecting and tracing the boundaries of metastable states of superheated crystal and supercooled liquid. The main criterion of the detection of early nucleation of new phase is the self-diffusion coefficient temperature dependence. The scanning for nucleation events is performed at continuous temperature change. The set of independent nucleation events at a given pressure allows evaluation of temperature dependence of specific nucleation frequency. The collection of a large number of these calculations allows accurate approximation of pressure and temperature dependence of the specific nucleation frequency in both directions between phases. This dependence allows estimating the behavior of the free energy in the region between superheating and supercooling curves. In addition, dependence of nucleation frequency on pressure and temperature provides an opportunity to integrate the probability of nucleation under dynamic loading and subsequent release and thus to determine the likelihood of the crystallization and melting. The technique was applied to tin. MD simulation was carried out with the help of the EAM interatomic potential, well reproducing the properties of BCC phase.
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2.

Вид документа : Статья из журнала
Шифр издания : 53/E 93
Автор(ы) : Ionov G. V., Dremov V. V., Karavaev A. V., Protsenko S.P., Baidakov V. G., Tipeev A. O.
Заглавие : Evaluation of metastable region boundaries for liquid and solid states in MD simulations [Электронный ресурс]
Место публикации : Journal of Physics : Condensed Matter. - 2014. - Vol.500, №17. - С. Article number 172004
Систем. требования: http://www.scopus.com/record/display.url?eid=2-s2.0-84902335896&origin=resultslist&sort=plf-f&src=s&st1=Baidakov&st2
Примечания : Bibliogr. : (6 ref) . - 26.08.2014
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): diffusion--dynamic loads--liquids
Аннотация: An automatic method based on MD simulations was developed for detecting and tracing the boundaries of metastable states of superheated crystal and supercooled liquid. The main criterion of the detection of early nucleation of new phase is the self-diffusion coefficient temperature dependence. The scanning for nucleation events is performed at continuous temperature change. The set of independent nucleation events at a given pressure allows evaluation of temperature dependence of specific nucleation frequency. The collection of a large number of these calculations allows accurate approximation of pressure and temperature dependence of the specific nucleation frequency in both directions between phases. This dependence allows estimating the behavior of the free energy in the region between superheating and supercooling curves. In addition, dependence of nucleation frequency on pressure and temperature provides an opportunity to integrate the probability of nucleation under dynamic loading and subsequent release and thus to determine the likelihood of the crystallization and melting. The technique was applied to tin. MD simulation was carried out with the help of the EAM interatomic potential, well reproducing the properties of BCC phase.
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3.

Вид документа : Статья из журнала
Шифр издания : 53/E 70
Автор(ы) : Ermakov G.V., Sorokin N.L.
Заглавие : Lifetimes of Superheated and Supercooled Phases in Tin at Transition from Normal to Superconduction State and Reverse
Место публикации : Fizika Tverdogo Tela. - 1982. - V.24, Is.12. - С. 3663-3669
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): lifetimes of phases--phases superheated--phases supercooled--tin--state normal--state superconduction--revers
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4.

Вид документа : Статья из журнала
Шифр издания : 53/E 70
Автор(ы) : Ermakov G.V., Sorokin N.L.
Заглавие : Lifetimes of Superheated and Supercooled Phases in Tin at Transition from Normal to Superconduction State and Reverse
Место публикации : Fizika Tverdogo Tela. - 1982. - V.24, Is.12. - С. 3663-3669
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): lifetimes of phases--phases superheated--phases supercooled--tin--state normal--state superconduction--revers
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5.

Вид документа : Статья из журнала
Шифр издания : 53/B 74
Автор(ы) : Boltachev G. Sh., Zubarev N.M., Zubareva O. V.
Заглавие : Space charge influence on the angle of conical spikes developing on a liquid-metal anode
Место публикации : Physical Review E: Statistical, Nonlinear, and Soft Matter Physics. - 2008. - Vol. 77, № 5-2. - С. 056607/1-056607/10
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): argon
Аннотация: The influence of the space charge of ions emitted from the surface of a conical spike on its shape has been studied. The problem of the calculation of the spatial distributions of the electric field, ion velocity field, and the space charge density near the cone tip has been reduced to the analysis of a system of ordinary differential equations. As a result of numerical solution of these equations, the criterion for the balance of the capillary and electrostatic forces on the conic surface of a liquid-metal anode has been determined. It has allowed us to relate the electrical current flowing through the system, the applied potential difference, and the cone angle. We have compared the results of our calculations with available experimental data concerning emission from the surface of pure liquid gallium, indium, tin, and some liquid alloys, such as Au+Si, Co+Ge, and Au+Ge. On the basis of the proposed model, explanations have been given for a number of specific features of the emissive behavior of different systems.
\\\\Expert2\\NBO\\Physical Review E\\2008, v.77, N 5, p.056607.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 53/B 74
Автор(ы) : Boltachev G. Sh., Zubarev N.M., Zubareva O. V.
Заглавие : Space charge influence on the angle of conical spikes developing on a liquid-metal anode
Место публикации : Physical Review E: Statistical, Nonlinear, and Soft Matter Physics. - 2008. - Vol. 77, № 5-2. - С. 056607/1-056607/10
ББК : 53
Предметные рубрики: ФИЗИКА
Ключевые слова (''Своб.индексиров.''): argon
Аннотация: The influence of the space charge of ions emitted from the surface of a conical spike on its shape has been studied. The problem of the calculation of the spatial distributions of the electric field, ion velocity field, and the space charge density near the cone tip has been reduced to the analysis of a system of ordinary differential equations. As a result of numerical solution of these equations, the criterion for the balance of the capillary and electrostatic forces on the conic surface of a liquid-metal anode has been determined. It has allowed us to relate the electrical current flowing through the system, the applied potential difference, and the cone angle. We have compared the results of our calculations with available experimental data concerning emission from the surface of pure liquid gallium, indium, tin, and some liquid alloys, such as Au+Si, Co+Ge, and Au+Ge. On the basis of the proposed model, explanations have been given for a number of specific features of the emissive behavior of different systems.
\\\\Expert2\\NBO\\Physical Review E\\2008, v.77, N 5, p.056607.pdf
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