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Telecommunications and Radio Engineering
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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i3.20
pages 201-213

CHARGED PARTICLE ENERGY LOSS ON THE WAVE EXCITATION IN THE SEMICONDUCTOR CYLINDER WITH TWODIMENSIONAL ELECTRON GAS ON THE SIDE SURFACE

A. V. Dormidontov
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
Yu. V. Prokopenko
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
Vladimir M. Yakovenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkov 61085

ABSTRACT

One of the topical problems in modern radiophysics is the study of the fundamental properties of solid-state structures which contain nanofragments. Studies of the excitation mechanisms of electromagnetic waves, when the charged particles move in various electrodynamic systems, form the basis for electronics. In this case, a number of the fundamentally important characteristics of structures include their dispersion equations. They allow one to determine the place of electrodynamic structures in the multipurpose radiophysical systems. The data characteristic is the charged particle energy loss per unit time on the excitation of eigenmodes and/or oscillations in the system. In the electrostatic approximation the dispersion equation, describing the eigenmodes of the semiconductor cylinder with a layer of two-dimensional electron gas on the side surface (3D+2D-plasma), has been obtained. We have determined the energy loss of a charged particle moving in the external magnetic field, the intensity vector of which is parallel to the symmetry longitudinal axis of the 3D+2D-plasma of a cylindrical configuration. It has been noted that the relation obtained is universal. This relation may be used to determine the energy loss of a particle being in the rotational motion about the cylinder and in a translational motion parallel to the cylinder generatrix. The effect of non-reciprocal excitation of eigenmodes of the 3D+2D plasma cylinder was discovered. These modes have identical structures of the field distribution, but differ in the propagation direction along the azimuthal coordinate. Research results extend our conceptions about the electrodynamic properties of the systems with plasma media and systematize the knowledge of the excitation mechanisms of electromagnetic waves in the electrodynamic systems that form the basis of microwave devices.