Pleiades Publishing Ltd
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Electron spectroscopy of objects for nanoelectronics
Pleiades Publishing Ltd - Tập 44 - Trang 1077-1080 - 1999
An electron-spectroscopic analysis is made of layered nanostructures and clusters at the surface and in the bulk of a solid. A new method of forming metal/insulator/semiconductor (superconductor) nanostructures is proposed based on ion-stimulated metal segregation effects at the surface of low-temperature gallium arsenide and a 123 high-temperature superconductor. The geometric parameters and elec...... hiện toàn bộ
Asymptotic laws of superdiffusion
Pleiades Publishing Ltd - Tập 48 - Trang 801-806 - 2003
The dynamic and statistical characteristics of diffusion trajectories are studied by introducing the notion “fractional drift.” An equation for the random walk probability density for cases of subdiffusion and superdiffusion is derived. A solution to this equation is constructed on the basis of the Mittag-Leffler function properties.
Radio Absorbing Composite Based on Square Resistive Patches
Pleiades Publishing Ltd - Tập 65 - Trang 968-974 - 2020
Solutions to the diffraction problems are used to calculate the effective permittivity of a composite material consisting of alternating planar arrays of square resistive patches shifted relative to each other in a dielectric layer. The relaxation character of the dispersion is demonstrated. The dispersion characteristic can be varied in wide ranges using variations in the parameters of the struct...... hiện toàn bộ
Two-Coordinate Diffusion of Optical Beams by an Acoustooptic Raman–Nath Modulator Based on a Paratellurite Crystal
Pleiades Publishing Ltd - Tập 50 Số 1 - Trang 104 - 2005
Generalized equations for the dynamics of the resistive firehose instability of an REB with time-dependent radius and current
Pleiades Publishing Ltd - Tập 45 - Trang 74-76 - 2000
Generalized equations are derived that describe the linear stage of the resistive firehose instability of a relativistic electron beam whose radius and current change along the pulse. Such factors as reverse current, the perturbations of the plasma channel, and the evolution of the plasma conductivity due to impact ionization, avalanche ionization, and recombination are taken into account.
Reflection and refraction of acoustic waves from the insulator-magnetoacoustic material interface
Pleiades Publishing Ltd - Tập 48 - Trang 893-900 - 2003
The reflection and refraction of longitudinal and transverse acoustic waves by the plane interface between an insulator and an easy-plane antiferromagnet undergoing a magnetic-field-induced orientational phase transition are analyzed. The angles of refraction, as well as all four coefficients of wave conversion, can be effectively controlled by varying the field. Conditions for the appearance of t...... hiện toàn bộ
Investigation of a single barrier discharge in submillimeter air gaps. Nonuniform field
Pleiades Publishing Ltd - Tập 59 - Trang 1127-1135 - 2014
Pulse characteristics of single barrier discharges as well as parameters of charges accumulated on the surface of a dielectric under the atmospheric pressure in the “needle-(0.1–2.0)-mm air gap-polymer barrier-plane” system are investigated. It is found experimentally that for the positive polarity of the needle, the voltage for the discharge initiation is higher than in the case of the negative p...... hiện toàn bộ
Interaction of an attosecond pulse with negative atomic and molecular ions
Pleiades Publishing Ltd - Tập 57 - Trang 1593-1595 - 2012
We report on the results of calculation of the probabilities of rescattering of ultrashort (attosecond) electromagnetic field pulses at one- and two-center negative ions in the s state in the zero-range potentials approximation; the dependence of the rescattering spectra on the number of field oscillations per pulse is investigated.
Optimal filtering in multipulse sequences for nuclear quadrupole resonance detection
Pleiades Publishing Ltd - Tập 59 - Trang 749-753 - 2014
The application of the multipulse sequences in nuclear quadrupole resonance (NQR) detection of explosive and narcotic substances has been studied. Various approaches to increase the signal to noise ratio (SNR) of signal detection are considered. We discussed two modifications of the phase-alternated multiple-pulse sequence (PAMS): the 180° pulse sequence with a preparatory pulse and the 90° pulse ...... hiện toàn bộ
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