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  1. No Access

    Article

    Sources of Non-Relativistic, High-Current Electron Beams Based on the Cathodes with Built-in Arc Plasma Sources

    A brief review and several new results on non-relativistic, high-current electron beams production in the guns based on the cathode unit with built-in resistively decoupled plasma sources based on vacuum arc t...

    P. P. Kiziridi, G. E. Ozur in Bulletin of the Russian Academy of Sciences: Physics (2024)

  2. No Access

    Article

    Energy Density Distribution in the Cross Section of a Radially Converging Low-Energy High-Current Electron Beam

    The energy density distribution of a radially converging low-energy (up to 25 keV) high-current electron beam has been measured using a sectioned three-channel calorimeter. The beam formation was performed usi...

    P. P. Kiziridi, G. E. Ozur in Instruments and Experimental Techniques (2024)

  3. No Access

    Article

    Pulse Energy of a Non-Relativistic, High-Current Electron Beam

    Energetic characteristics of a high-current electron gun with a cathode assembly based on multi-gap initiation of explosive emission by dielectric surface flashover in the mode of vacuum and gas-filled diode w...

    P. P. Kiziridi, G. E. Ozur in Technical Physics (2023)

  4. No Access

    Article

    Structure of an Electron Beam Formed in a High-Current Diode with Arc Plasma Sources Built-In to a Cathode

    The distributions of the current and energy densities of low-energy (up to 30 keV), high-current (up to 20 kA) electron beam of microsecond duration have been studied with the use of thermal imaging and wide-b...

    P. P. Kiziridi, G. E. Ozur, A. V. Shnaider in Plasma Physics Reports (2023)

  5. No Access

    Article

    Increasing the Pulse Energy of a Radially Converging Low-Energy High-Current Electron Beam

    The energy characteristics of a high-current electron gun with a radially converging beam have been studied. The cathode unit of the gun consisted of one or two ring sections with an inner diameter of 8 cm, ea...

    P. P. Kiziridi, G. E. Ozur in Instruments and Experimental Techniques (2023)

  6. No Access

    Article

    Formation of a Non-Relativistic, High-Current Electron Beam in a Gas-Filled Diode

    The formation process and some characteristics of a high-current electron beam in dependence on pressure and working gas (argon, air, helium) filling the diode as well as on induction of an external guide magn...

    P. P. Kiziridi, G. E. Ozur in Russian Physics Journal (2023)

  7. No Access

    Article

    A Source of Radially Converging Low-Energy High-Current Electron Beams

    The design and some characteristics of a source of radially converging low-energy (5–25 keV) high-current electron beams of microsecond pulse duration, which is aimed at surface modification of cylindrical par...

    P. P. Kiziridi, G. E. Ozur in Instruments and Experimental Techniques (2022)

  8. No Access

    Article

    Cathode Assembly of a High-Current Electron Gun with Multichannel Initiation of Emission by Breakdown on the Surface of a Dielectric

    A new scheme of the cathode assembly of a high-current electron gun is presented. The initiation of explosive emission is carried out using of 69 parallel triggered spark gaps, the electrodes and tubular ceram...

    P. P. Kiziridi, G. E. Ozur in Technical Physics Letters (2020)

  9. No Access

    Article

    Plasma Anode Formation in a High-Current Electron Gun with the Use of a Hybrid Discharge

    The paper presents the results of a study of a glow spatial structure and temporal dynamics of a hybrid discharge combining a high-current reflective discharge with vacuum arcs at a voltage supplying the disch...

    P. P. Kiziridi, G. E. Ozur in Russian Physics Journal (2020)

  10. No Access

    Article

    Characteristics of High-Current Electron Gun with Plasma Anode Based on Hybrid Discharge

    Spatial structure of glow and time dynamics of a hybrid discharge that combines high-current reflective discharge and vacuum arcs induced by spark breakdown on dielectric surface are studied at a supply voltag...

    P. P. Kiziridi, G. E. Ozur in Technical Physics (2020)

  11. No Access

    Article

    Resistively Decoupled Explosive-Emission Cathodes for High-Current Plasma-Filled Diodes

    The design and characteristics of resistively decoupled multi-emitter explosive-emission cathodes intended for high-current plasma-filled diodes are presented. The integral glow of the emission-center plasma, ...

    P. P. Kiziridi, G. E. Ozur in Instruments and Experimental Techniques (2019)

  12. No Access

    Article

    A High-Current Electron Gun Integrated with a Magnetron Sputtering System

    The description and the main performance specifications are presented for a device in which a high-current electron gun and a magnetron sputtering system are integrated in a common casing. This device is effic...

    P. P. Kiziridi, A. B. Markov, G. E. Ozur… in Instruments and Experimental Techniques (2018)

  13. No Access

    Article

    Generation of Low-Energy High-Current Electron Beams in Plasma-Anode Electron Guns

    This paper is a review of studies on the generation of low-energy high-current electron beams in electron guns with a plasma anode and an explosive-emission cathode. The problems related to the initiation of e...

    G. E. Ozur, D. I. Proskurovsky in Plasma Physics Reports (2018)

  14. No Access

    Article

    Dynamics of pulsed magnetron discharge in high-current electron guns

    High-speed video filming is applied to investigate low-pressure (argon 0.053–0.133 Pa) pulsed gas discharge dynamics in a planar magnetron built-in the explosive emission cathode of a high-current electron gun...

    P. P. Kiziridi, G. E. Ozur, L. A. Zyul’kova, S. A. Popov… in Technical Physics (2017)

  15. No Access

    Article

    A mechanism of microcrater formation in metallic material irradiated by a low-energy high-current electron beam

    Experiments with stainless steel (304L grade) samples exposed to microsecond pulses of high-current low-energy (10–30 keV) electron beam have been performed to determine dependences of the morphology, average ...

    G. E. Ozur, D. I. Proskurovsky, V. P. Rotshtein in Technical Physics Letters (2016)

  16. No Access

    Article

    On the low-energy high-current electron beam profile controlled using ferromagnetic insertions

    We report on the results of investigation of the energy density distribution over the cross section of a low-energy (10–30 keV) high-current (up to 25 kA) electron beam transported in the plasma channel in a g...

    P. P. Kiziridi, G. E. Ozur in Technical Physics (2015)

  17. No Access

    Article

    On the current density in a high-current plasma-filled diode with an explosive emission cathode

    Based on the analysis of the available data from experimental studies and numerical simulations of high-current plasma-filled diodes, it is shown that the fast (∼2 cm/μs) motion of the explosive emission catho...

    G. E. Ozur in Plasma Physics Reports (2014)

  18. No Access

    Article

    A РИТМ-СП facility for the surface alloying

    A combined РИТМ-СП facility intended for forming thin alloy layers on the sample surface during the single vacuum cycle (in situ) is described. The facility consists of a low-energy (10–30 keV) high-current (u...

    A. B. Markov, A. V. Mikov, G. E. Ozur… in Instruments and Experimental Techniques (2011)

  19. No Access

    Article

    Sha** of the cross section of a nonrelativistic high-current electron beam by means of return current leads

    Calculation results and experimental data on sha** the cross-section of a nonrelativistic (10–30 keV) high-current (up to 25 kA) electron beam are presented. A circular beam is successfully transformed into ...

    G. E. Ozur, V. P. Grigor’ev, K. V. Karlik, T. V. Koval’, Le Huy Dung in Technical Physics (2011)

  20. No Access

    Article

    Synthesis of Ti3Al and TiAl based surface alloys by pulsed electron-beam melting of Al(film)/Ti(substrate) system

    Phase formation and surface hardening in the 100-nm-thick Al(film)/Ti(substrate) system under conditions of pulsed electron-beam melting (∼15 keV, ∼3 μs, 3–4 J/cm2) have been studied depending on the number of fi...

    V. P. Rotshtein, Yu. F. Ivanov, Yu. A. Kolubaeva, X. Mei… in Technical Physics Letters (2011)

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