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Selected topics of the nanosystem physics

ОК 22

Обов’язкова дисципліна для ОП

Second

2023/2024

4 Semester

6

Basic information about nanostructures: classification, physical properties and their difference from the properties of macroscopic analogues, the reasons for the emergence of new properties when reducing the size of structures to the nanometer range and the physical nature of these objects stability. Fundamentals of ideas about the relationship between atomic structure and parameters of atomic interaction in one-, two- and three-dimensional nanostructures. Be able to calculate both the value of critical stress of instability of the atomic interaction and the magnitude of critical displacement of atoms in nanocrystal based on the values of parameters of the interatomic interaction potential. Be able to estimate the lifetime of nanoscale systems in a wide range of both temperatures and mechanical loads.

Full-time form

To have knowledge of electronic structure and atomic structure of solids. To know the basic types of interatomic bonds. To have an idea of the physical nature of the oscillatory motion of atoms in a solid and quantitative methods of its analysis. To know the laws of thermodynamics and the foundations of quantum mechanics. Be able to apply knowledge from the courses of mathematical analysis, mathematical physics, solid state physics for both the analysis of atomic interaction in a solid and prediction of equilibrium states. To know and be able to apply the methods of analysis of crystallographic structure.

The course "Selected topics of the nanosystem physics" considers modern ideas about the influence of atomic structure and electronic structure of nanosized crystals and clusters on their stability and lifetime. Here, the main emphasis is on the physical nature of the influence of dimensionality and size of nanocrystals on their properties. The purpose of studying the discipline is to give students the basics of modern knowledge about atomic mechanisms that govern the stability and lifetime of three-dimensional nanoscale crystals, two- and one-dimensional nanoclusters. The educational task of the course is to form students' basic ideas about the relationship between the atomic structure of three-dimensional nanoscale crystals, two- and one-dimensional nanoclusters and their stability and strength.

1. O.M. Nazarov, M.M. Nischenko. Nanostruktury ta nanotehnologii. Kyiv 2012. 2.V.V. Pokropivnyj, Yu.I. Rogovoj, V.V. Ogorodnikov, A.A. Lisenko. Atomisticheskoe modelirovanie materialov. Kiev 2008. 3. Florian Banhart. Chains of carbon atoms: A vision or a new nanomaterial? J. Nanotechnol. 2015, 6, 559–569. 4. A. Timoshevskii, S. Kotrechko, Yu. Matviychuk Atomic structure and mechanical properties of carbyne. Physical Review B 2015. 91 (24), 245434. 5. S. Kotrechko, A. Timoshevskii, E .Kolyvoshko and Yu. Matviychuk. Relation between the strength and dimensionality of defect-free carbon crystals. Nanoscale Research Letters. 2015 10:225.

Lectures - 30 hours. Laboratory classes - 30 hours. Self-study - 120 hours.

Semester assessment: (max / min) 1. Modular test #1 on topics 1-9 - 20 points / 12 points 2. Modular test # 2 on topics 10-15 - 20 points / 12 points 3. Laboratory work - 15 points / 9 points 4. Survey during lectures - 5 points / 3 points Final assessment in the form of an exam. The maximum number of points that can be obtained by a student for passing the exam is 40. To obtain an overall positive grade in the discipline, the grade for the exam must not be less than 24 points. A student is not allowed to take the exam if he / she scored less than 36 points during the semester. The student is allowed to take the exam, provided that all the planned laboratory works are performed.

Ukrainian