Видання зареєстровані авторами шляхом самоархівування
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Item Kinetics of Nanostructuring Processes of Material Surface under Influence of Laser Radiation(MDPI, 2020) Хоменко, Олексій Віталійович; Хоменко, Алексей Витальевич; Khomenko, Oleksii Vitaliiovych; Ющенко, Ольга Володимирівна; Ющенко, Ольга Владимировна; Yushchenko, Olha Volodymyrivna; Бадалян, Анна Юріївна; Бадалян, Анна Юрьевна; Badalian, Anna YuriivnaIn this paper, further research is conducted for a synergetic model that describes the state of the material surface in the process of laser irradiation. Namely, the previously studied approach of mutually coordinated behavior of the relaxation field, concentration of relaxation zones, and field of stress is supplemented with a nonlinear term. It is shown that, using this model, we can describe the behavior of different types of systems. During the analysis, five stationary states were found which correspond to different modes of formation of relaxation areas on the surface. The regions of parameters are found at which one or another mode of the system behavior is established. Phase portraits are constructed for each mode and the kinetics of the system is described. The obtained results qualitatively coincide with the experimental data.Item A self-assembly of nanoparticles(Sumy State University, 2014) Ющенко, Ольга Володимирівна; Ющенко, Ольга Владимировна; Yushchenko, Olha Volodymyrivna; Бадалян, Анна Юріївна; Бадалян, Анна Юрьевна; Badalian, Anna Yuriivna; Bratash, S.O.Nanotechnology achievements are often connected to material science because the design of a wide range of advanced nanostructured materials will reduce the size of the components of many devices. But nanoscience today is more interested in the formation of nanoassemblies and further coupling of them into the nanostructured materials.Item Canonical Representation of the Active Nanoparticles Kinetics(Horizon Research Publishing Corporation, 2014) Ющенко, Ольга Володимирівна; Ющенко, Ольга Владимировна; Yushchenko, Olha Volodymyrivna; Бадалян, Анна Юріївна; Бадалян, Анна Юрьевна; Badalian, Anna YuriivnaWithin the framework of the canonical Hamilton system the behavior of active nanoparticles was investigated. On the basis of the phase portraits the kinetics of the system was studied. The transformations of the nanoparticle’s internal energy into the kinetic energy of the motion and into the total mechanic energy were considered.Item The Investigation of the External Influence on the Motion Regimes of Nanoparticles(Sumy State University, 2012) Ющенко, Ольга Володимирівна; Ющенко, Ольга Владимировна; Yushchenko, Olha Volodymyrivna; Бадалян, Анна Юріївна; Бадалян, Анна Юрьевна; Badalian, Anna YuriivnaOn the basis of self-consistent Lorenz system, taking into account the dispersion of the characteristic time of the average velocity variation the motion regimes of nanoparticles were investigated within the rigid mechanism of the self-organization. The influence of the environment was taken into account by means of a stochastic source in the equation describing the evolution of the control parameter. As a result, the Fokker-Planck equation has been obtained and has been solved in the steady state, the phase diagram of the system and the dependence of the average velocity of nanoparticles have been constructed and analyzed. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34961Item Kinematics of nonextensive statistical systems(Видавництво СумДУ, 2011) Олємской, Олександр Іванович; Олемской, Александр Иванович; Oliemskoi, Oleksandr Ivanovych; Ющенко, Ольга Володимирівна; Ющенко, Ольга Владимировна; Yushchenko, Olha Volodymyrivna; Бадалян, Анна Юріївна; Бадалян, Анна Юрьевна; Badalian, Anna Yuriivna