Infopaket

Electronic processes and size effects in nanosystems

ОК6

Обов’язкова дисципліна для ОП

Second

2023/2024

1 Semester

6

The subject of the discipline is dimensional effects in nanomaterials of thin films, nanoparticles, nanopowders, and nanocomposites from ordered ferroics and multiferroics, low-dimensional systems, 2D semiconductors, graphene nanosystems. The results of the study are knowledge of the basic physical mechanisms of dimensional effects of electrophysical properties of nanosystems and theoretical foundations of the phenomenological theory of phase transformations Landau-Ginzburg-Devonshire, mastery of its methods. Masters will learn to apply variational methods to solve nonlinear differential equations such as Euler-Lagrange, analyze the spontaneous decrease in spatial and magnetic symmetry near the surface of a solid, calculate the hysteresis loops of electric current, charge, polarization, magnetization, and generalized susceptibility of thin films and nanoparticles of ferroic and multiferroic.

Full-time form

The student must know the basic laws of physics and methods of mathematical physics, mathematical analysis, the basics of vector and tensor analysis, and differential equations. The main provisions of the sections "Quantum Mechanics" "Solid State Physics", and "Crystal Spectroscopy". The student must be able to: apply prior knowledge of general physics, thermodynamics, elements of elasticity theory, semiconductor physics, mathematical physics, mathematical analysis, basics of vector and tensor analysis, and differential equations to understand the course and solve problems in mathematical physics. Fluent in methods of mathematical physics and numerical modeling.

Acquisition by students of physical understanding and mastering of basic methods of theoretical description of electronic processes and dimensional effects in nanosystems and the ability to apply knowledge in practical situations to calculate the electrophysical properties of various nanosystems. Be able to apply analytical methods of phenomenological theory to solve typical problems of nanophysics, for qualitative and quantitative estimates of free surface influence, gradients of order parameters (polarization, magnetization, structural deformation), and mechanical stresses on the properties of thin films of ferroelectrics, ferroelectrics, antiheroes antiferromagnets, relaxors, virtual ferroelectrics, and ferromagnets); the influence of surface curvature and nanoparticle sizes on their electrophysical properties and phase diagrams; the influence of piezoelectric, pesomagnetic, flexoelectric and flexomagnetic effects on electrophysical and magnetoelectric properties of nanomaterials.

1. I.Dmitruk, Electronic processes in nanostructures, Kyiv - 2013. 2. M. Глинчук, А.Ragula. Nanoferroics, Kyiv - "Naukova Dumka" - 2010, ISBN 978-966-00-0858-9. 3. G.Svecnikov, A. Morozovska. - Nanotubes and graphene are the electronics materials of the future. - Kyiv. - Logos Publishing House. - 2009, ISBN 976-966-171-200-2. 4. A.Morozovska, G.Svecnikov, Е.Eliseev. - Theory of local polar properties of ferroelectrics. - Odessa, "Astroprint", 2012. - ISBN 978-966-190-708-8. 5. M.Strikha, A.Kurchak, and A.Morozovska, Impact of the domain structure in the ferroelectric substrate on graphene conductance. LAP LAMBERT Academic Publishing, 2018, ISBN: 978-613-4-90909-9 6. E. Roduner. Nanoscopic Materials. Size-dependent phenomena. RSC Publishing (Cambridge, 2006).

Lectures, consultations, practical classes, independent work

The control is carried out according to the module-rating system, which consists of 2 content modules. The knowledge assessment system includes current, modular, and semester control of knowledge. Forms of current control: assessment of written independent assignments and tests performed by students during independent work. The student can receive a maximum of 60 points for performing independent tasks, oral answers, and additions to lectures. Modular control: checking independent tasks for solving problems and essays. The final semester control is conducted in the form of a joint exam (40 points). The exam ticket includes 3 theoretical questions (10 points each) and a task (10 points).

Ukrainian