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Gas-flow-induced population inversion in argon discharge
Pleiades Publishing Ltd - Tập 34 - Trang 48-51 - 2011
G. A. Galechyan
The inverse population of excited atomic states in the electric discharge in argon at elevated pressures is created in a longitudinal turbulent gas flow as a result of the transformation of the positive column from the state of a uniform noncontracted discharge to the contracted state, which is followed by superluminescent flash generation. It is suggested to use this phenomenon for the creation o...... hiện toàn bộ
A Monolithic Miniature Multi-Conductor Strip-Resonator Bandpass Filter
Pleiades Publishing Ltd - - 2021
B. A. Belyaev, A. M. Serzhantov, An. A. Leksikov, Ya. F. Bal’va, R. G. Galeev
A new monolithic design of a miniature bandpass filter for manufacture by means of multilayer printed-circuit-board technology has been developed. It is demonstrated using a fourth-order filter that multi-conductor strip resonators used in the design ensure both miniaturization and high selectivity of the device. The passband center frequency of the manufactured filter is  f0 = 546 MHz, the fracti...... hiện toàn bộ
Demonstration of the Effect of Resistive Switching of Individual Filaments in Memristor Ag/Ge/Si Structures Using Atomic Force Microscopy
Pleiades Publishing Ltd - Tập 47 - Trang 781-784 - 2021
V. A. Vorontsov, D. A. Antonov, A. V. Kruglov, I. N. Antonov, V. E. Kotomina, V. G. Shengurov, S. A. Denisov, V. Yu. Chalkov, D. O. Filatov, O. N. Gorshkov
The effect of resistive switching in individual dislocations in memristor Ag/Ge/Si(001) structures is demonstrated experimentally using atomic force microscopy with a conducting probe. A hysteresis is found in the current–voltage characteristics of dislocations, which is typical of bipolar resistive switching related to the formation and destruction of an Ag filament in a Ge layer as a result of d...... hiện toàn bộ
Generation of electromagnetic waves by electrons rotating in a radial electrostatic field in free space
Pleiades Publishing Ltd - Tập 25 - Trang 845-846 - 1999
V. V. Dolgopolov, Yu. V. Kirichenko
A theoretical analysis is made of mechanisms for the generation of electromagnetic waves by electrons rotating in a radial electrostatic field formed by a positively charged filament in free space. A dispersion equation is obtained to describe the interaction between the waves and nonrelativistic electrons. It is shown that electromagnetic fields can be generated by means of Čerenkov resonance. Th...... hiện toàn bộ
Conical waves producing longitudinal power flows
Pleiades Publishing Ltd - Tập 26 - Trang 718-720 - 2000
I. A. Kolmakov
A conical electromagnetic wave converging to its axis is studied theoretically. It is demonstrated that the wave produces an intense self-accelerating flow of energy (momentum). Conical waves may find various applications such as in the acceleration of particles, the generation of high-power pencil beams, the transformation of simultaneously written spatial data into a time waveform, the measureme...... hiện toàn bộ
Qualitative boundary, abnormality, and structural transition
Pleiades Publishing Ltd - Tập 23 - Trang 261-262 - 1997
G. E. Skvortsov
A qualitative boundary law and an abnormality relationship are formulated and their genetic link with the phenomenon of structural transition is demonstrated. This phenomenon includes phase transitions, dissociation and ionization, turbulence, and explosion. The formulated relationships are used to indicate classes of possible nonequilibrium effects.
Amplitudes of three-dimensional waves in a nonisothermal falling liquid film
Pleiades Publishing Ltd - Tập 39 - Trang 248-251 - 2013
E. A. Chinnov, S. S. Abdurakipov
The amplitudes of three-dimensional (3D) waves in a water film flowing down a vertical plate with a local heater have been measured. Thermocapillary forces that arise on heating lead to the formation of rivulets separated by thin-layer troughs, with 3D waves propagating over the crests of rivulets. The film thickness and 3D wave amplitudes on the heater grow with increasing heat flux density and d...... hiện toàn bộ
Modification of the electrical and optical properties of hydrated vanadium pentoxide as a result of proton electromigration
Pleiades Publishing Ltd - Tập 28 - Trang 854-856 - 2002
E. L. Kazakova, A. L. Pergament, G. B. Stefanovich
Variation of the optical and electrical properties of films of hydrated vanadium pentoxide under the action of an applied electric field was studied. The samples exhibited an “internal” electrochromic effect caused by a redistribution of hydrogen ions in the film, rather than by their penetration from outside (electrolyte). The process of cathodic polarization at a current of I∼10−5 A for t∼10 min...... hiện toàn bộ
Samarium diffusion in polycrystalline samarium sulfide
Pleiades Publishing Ltd - Tập 34 - Trang 584-585 - 2008
A. V. Golubkov, V. V. Kaminskiĭ
The diffusion of samarium in polycrystalline samarium sulfide with a superstoichiometric composition of Sm1.13S has been studied at T = 1000 and 1100°C. It is concluded that Sm atoms predominantly migrate over the boundaries of monocrystalline domains of the polycrystalline sample. The diffusion coefficient varies within D ≈ 10−2−10−3 cm2/s. In the temperature dependence of the diffusion coefficie...... hiện toàn bộ
The effect of illumination on the electric and photoelectric properties of μc-Si: H films weakly doped with boron
Pleiades Publishing Ltd - Tập 26 - Trang 410-411 - 2000
A. G. Kazanskii, S. N. Kozlov, H. Mell, P. A. Forsh
The electric conductivity and photoconductivity of μc-Si: H films weakly doped with boron increase upon exposure of the samples to light in the band of intrinsic absorption. It is shown that the effect is related to changes in the ambient medium, probably, to the photoinduced charging of oxygen molecules adsorbed on the μc-Si: H films.
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