Results 1 to 10 of about 22,253 (240)
Nanocrystalline high-entropy hexaboride ceramics enable remarkable performance as thermionic emission cathodes [PDF]
Fundamental Research, 2023 The development of high-entropy borides with combined structural and functional performance holds untold scientific and technological potential, yet relevant studies have been rarely reported.
Mengdong Ma +5 more
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Energies, 2023 In this paper, the influence of thermionic emission on He ionization and plasma enhancement in thermionic energy conversion (TEC) are studied by experiment and numerical simulation.
Cong Ji, Fan Gu
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Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2022 The thermionic emission current is used in many vacuum devices such as evaporators, rare gas excimers, or electron beam objects for high-energy physics. The stability of the thermionic emission current is a very important requirement for the accuracy of
Bartosz Kania
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Thermionic Electron Beam Current and Accelerating Voltage Controller for Gas Ion Sources
Sensors, 2021 Thermionic emission sources are key components of electron impact gas ion sources used in measuring instruments, such as mass spectrometers, ionization gauges, and apparatus for ionization cross-section measurements. The repeatability of the measurements
Jarosław Sikora +2 more
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Thermionic and Photo-excited Electron Emission for Energy Conversion Processes
Frontiers in Energy Research, 2014 This article describes advances in thermionic and photoemission materials and applications dating back to the work on thermionic emission by Guthrie in 1873 and the photoelectric effect by Hertz in 1887. Thermionic emission has been employed for electron
Patrick T. McCarthy +2 more
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Inducing thermionic emission from lanthanum hexaboride probes in Magnum-PSI
Nuclear Materials and Energy, 2021 For thermionic emission rates exceeding the incident plasma electron flux, recent theory proposes an inverse sheath regime, with promising properties for future application in fusion edge plasmas.
J. van den Berg-Stolp +5 more
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Semiconductor Physics, Quantum Electronics & Optoelectronics, 2019 A new method to analyze reverse characteristics of 4H-SiC Schottky barrier diode has been presented in this paper. The model incorporates both the current induced by the tunneling of carriers through the Schottky barrier and that induced by the ...
A. Latreche
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Scientific Reports, 2023 Multiple electron emission mechanisms often contribute in electron devices, motivating theoretical studies characterizing the transitions between them.
Lorin I. Breen +4 more
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Beta Radiation Enhanced Thermionic Emission from Diamond Thin Films
Frontiers in Mechanical Engineering, 2017 Diamond-based thermionic emission devices could provide a means to produce clean and renewable energy through direct heat-to-electrical energy conversion. Hindering progress of the technology are the thermionic output current and threshold temperature of
Alex Croot +6 more
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Origin and nature of the emissive sheath surrounding hot tungsten tokamak surfaces
Nuclear Materials and Energy, 2020 The accurate description of the emitted current that escapes from hot tungsten surfaces is essential for reliable predictions of the macroscopic deformation due to melt motion induced by fast transient events. A comprehensive analytical electron emission
P. Tolias +3 more
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