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Artykuły w czasopismach na temat "Emissive cathode"
Chaharsoughi, Mina Shiran, Mohammad Jafar Hadianfard i Mohammad Mahdi Shiezadeh. "Study the Effect of Nanoemissive Materials on M-Type Cathode Performance". Advanced Materials Research 829 (listopad 2013): 772–77. http://dx.doi.org/10.4028/www.scientific.net/amr.829.772.
Pełny tekst źródłaStępińska, Izabela, Elżbieta Czerwosz, Mirosław Kozłowski, Halina Wronka i Piotr Dłużewski. "Studies of field emission process influence on changes in CNT films with different CNT superficial density". Materials Science-Poland 36, nr 1 (18.05.2018): 27–33. http://dx.doi.org/10.1515/msp-2018-0001.
Pełny tekst źródłaIsakova, Yulia I., Galina E. Kholodnaya i Alexander I. Pushkarev. "Influence of Cathode Diameter on the Operation of a Planar Diode with an Explosive Emission Cathode". Advances in High Energy Physics 2011 (2011): 1–14. http://dx.doi.org/10.1155/2011/649828.
Pełny tekst źródłaChen, Jing, Qianqian Huang i Wei Lei. "Dual-Facets Emissive Quantum-Dot Light-Emitting Diode Based on AZO Electrode". Materials 15, nr 3 (19.01.2022): 740. http://dx.doi.org/10.3390/ma15030740.
Pełny tekst źródłaYang, Yang, Wen Zheng Yang, Wei Dong Tang i Chuan Dong Sun. "Temperature Dependent Study of Carrier Diffusion in Photon Enhanced Thermionic Emission Solar Converters". Advanced Materials Research 772 (wrzesień 2013): 634–39. http://dx.doi.org/10.4028/www.scientific.net/amr.772.634.
Pełny tekst źródłaNouzman, L., i G. L. Frey. "Directed migration of additives to form top interlayers in polymer light emitting diodes". Journal of Materials Chemistry C 5, nr 48 (2017): 12744–51. http://dx.doi.org/10.1039/c7tc04586g.
Pełny tekst źródłaSibbett, W., S. C. Douglas, M. I. Harbour, B. A. Kerr, S. N. Spark i Y. M. Saveliev. "Effect of cathode end caps and a cathode emissive surface on relativistic magnetron operation". IEEE Transactions on Plasma Science 28, nr 3 (czerwiec 2000): 478–84. http://dx.doi.org/10.1109/27.887651.
Pełny tekst źródłaBecatti, G., F. Burgalassi, F. Paganucci, M. Zuin i D. M. Goebel. "Resistive MHD modes in hollow cathodes external plasma". Plasma Sources Science and Technology 31, nr 1 (1.01.2022): 015016. http://dx.doi.org/10.1088/1361-6595/ac43c4.
Pełny tekst źródłaYokoo, Kuniyoshi. "Experiments of highly emissive metal–oxide–semiconductor electron tunneling cathode". Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures 14, nr 3 (maj 1996): 2096. http://dx.doi.org/10.1116/1.588878.
Pełny tekst źródłaHartmann, W., G. Kirkman, V. Dominic i M. A. Gundersen. "A super-emissive self-heated cathode for high-power applications". IEEE Transactions on Electron Devices 36, nr 4 (kwiecień 1989): 825–26. http://dx.doi.org/10.1109/16.22493.
Pełny tekst źródłaRozprawy doktorskie na temat "Emissive cathode"
Asselin, Daniel Joseph. "Characterization of the Near-Plume Region of a Low-Current Hollow Cathode". Digital WPI, 2011. https://digitalcommons.wpi.edu/etd-theses/438.
Pełny tekst źródłaSary, Gaétan. "Modélisation d'une cathode creuse pour propulseur à plasma". Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30182/document.
Pełny tekst źródłaA hollow cathode is a critical component of plasma thrusters. In a plasma thruster, a propellant gas is ionized in a discharge chamber and accelerated out of it so as to generate thrust. In Hall thrusters in particular, the ionization of the gas is caused by an intense electron current (from a few to hundred amps) which flows through the discharge chamber. The hollow cathode is the device which is responsible for providing the discharge current. This key element is often idealized in thruster numerical models and its physical behavior is rarely studied for its own sake. Yet, developing high power Hall thrusters, designed to propel in the long run every type of space mission, requires new hollow cathodes able to supply an intense electron current (over 100 A) over a duration on the order of ten thousand hours. So far, designing new cathodes proved difficult because of the lack of model capable of predicting the performance of a cathode based on its design. In this work, we build up a predictive model of a hollow cathode capable of simulating the physics relevant to the operation of the cathode. In the end, we aim at using this model to associate design characteristics of the cathode to key aspects of the cathode performance during operation. Our goal with this model is to guide the development of future high power hollow cathodes. We will first briefly describe the range of application of hollow cathodes related to space propulsion. Then we will give a brief account of the working principles of the cathode and we will set the numerical models available in the literature prior to this one out. The numerical model developed in this work will then be described. It includes a fluid treatment of the plasma as well as an account of the heat fluxes to the walls which largely control the performance of the cathode. Simulation results will be thoroughly compared to experimental measurements available in the literature and specific aspects of the model will be refined to match up simulation results with the physical reality. For instance, a model that specifically represents the transition region between the internal plasma of the cathode and the plume of the cathode will be described. This model will enable us to highlight plasma instability phenomena which were so far observed experimentally, yet never properly included in hollow cathode models. Using the model just developed, we will analyze the physics of a particular hollow cathode which has been developed by NASA at the Jet Propulsion Laboratory, the NSTAR hollow cathode. Then, thanks to the numerical model, we will be able to carry out a parametric study revolving around the design of the NSTAR cathode. This will allow us to bring out the influence of the design on the cathode performance and we will eventually express recommendations regarding the design of future high power cathodes. To conclude, the versatility of the numerical model built up here will also be displayed through simulations of the behavior of a hollow cathode based on an alternate geometry
Pagaud, Francis. "Control and stability of magnetised plasma columns : plasma-cathode interactions and helicon plasma operation". Electronic Thesis or Diss., Lyon, École normale supérieure, 2024. http://www.theses.fr/2024ENSL0016.
Pełny tekst źródłaRadial transport, azimuthal waves and instabilities are common features in magnetised plasmas, causing major challenges for plasma propulsion, plasma wakefield particle acceleration or fusion devices. Plasma properties control is desirable yet complex. This PhD thesis follows two goals, one being the use of an emissive cathode as a new parameter control and the other being the fundamental understanding of the helicon plasma operational stability. Firstly, the role of the injection of electrons inside a magnetised plasma column has been studied experimentally and numerically. The experimental set-up is a 80 cm long and 20 cm diameter vacuum vessel connected to a 11 cm wide glass tube. The argon gas at a base pressure of 0.13 Pa is ionised by a 3-turns inductive radio-frequency antenna supplied at 1 kW. Magnetic field ranging from 170 G to 340 G, ensures a weak magnetisation of the plasma. A large tungsten hot cathode was placed at the end of the plasma column to inject an important thermionic current. Electrical and optical measurements of the cathode temperature revealed a highly inhomogeneous cathode temperature profile due to plasma–cathode interactions. A detailed thermal modelling solved numerically accurately reproduces the heterogeneous rise in temperature witnessed experimentally. The operating regime was predicted in excellent agreement with experimental results.The fine understanding of the emissive cathode behaviour in presence of a surrounding magnetised plasma permitted to explore its influence on the plasma properties, and especially the plasma potential. An analytical approach based on a two-fluids plasma model and anisotropic electrical conductivities, predicting plasma potential control and plasma rotation regulation as a function of thermionic emission, has been applied and compared to a wide experimental dataset of plasma properties. The works presented confront the role of cross-field ion transport to experimental radial plasma potential scans with a semi-quantitative agreement, highlighting a new major application of emissive cathodes.Finally, a state-of-the-art helicon plasma source has been implemented to produce higher ionization rates. This new system required a complete characterisation of plasma properties through electrostatic probes and high-speed camera imaging. It reproduced well-known helicon plasma features such as E-H-W mode transitions, bistability and hysteresis, chirality emerging from the external magnetic field direction and the propagation of m = +1 whistler waves. Besides, it displayed complex behaviours such as H-W and W-W oscillations, or coexisting low-frequency Kelvin-Helmholtz and Rayleigh-Taylor instabilities. A strong multiscale core instability at 1080 G was also briefly investigated. Wave-mode identification based on theoretical growth rates, 2DFT modal decomposition and POD has been conducted, unravelling the physical mechanisms at stake
Taillefer, Zachary R. "Characterization of the Near Plume Region of Hexaboride and Barium Oxide Hollow Cathodes operating on Xenon and Iodine". Digital WPI, 2018. https://digitalcommons.wpi.edu/etd-dissertations/44.
Pełny tekst źródłaPopov, M. Yu, A. P. Volkov, S. G. Buga, V. S. Bormashov, K. V. Kondrashov, R. L. Lomakin, N. V. Lyparev, V. V. Medvedev, S. A. Tarelkin i S. A. Perfilov. "Nanostructured metal-fullerene field emission cathode". Thesis, Sumy State University, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20585.
Pełny tekst źródłaVaughn, Joel M. "Thermionic Electron Emission Microscopy Studies of Barium and Scandium Oxides on Tungsten". Ohio University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1279814656.
Pełny tekst źródłaLee, Kon Jiun. "Current limiting of field emitter array cathodes". Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/19629.
Pełny tekst źródłaShen, Xiangqian. "Novel processing routes for oxide cathode emission materials". Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/10822.
Pełny tekst źródłaMollart, T. P. "Electron emission processes in cold cathode thermal arcs". Thesis, Durham University, 1993. http://etheses.dur.ac.uk/5546/.
Pełny tekst źródłaJones, Randolph D. "Circuit model of a low-voltage field emission cathode". Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/15631.
Pełny tekst źródłaKsiążki na temat "Emissive cathode"
Kapustin, Vladimir, i Illarion Li. Theory, electronic structure and physical chemistry of materials cathodes for microwave devices. ru: INFRA-M Academic Publishing LLC., 2020. http://dx.doi.org/10.12737/1041298.
Pełny tekst źródłaKapustin, Vladimir, Aleksandr Sigov, Illarion Li i Vladimir Mel'nikov. Point defects in oxides and emission properties. ru: INFRA-M Academic Publishing LLC., 2022. http://dx.doi.org/10.12737/1846464.
Pełny tekst źródłaDanilov, Vladimir, Roman Gaydukov i Vadim Kretov. Mathematical Modeling of Emission in Small-Size Cathode. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0195-1.
Pełny tekst źródłaS, MacRae Gregory, i United States. National Aeronautics and Space Administration., red. Requirements for long-life operation of inert gas hollow cathodes--preliminary report. [Washington, DC: National Aeronautics and Space Administration, 1990.
Znajdź pełny tekst źródłaS, MacRae Gregory, i United States. National Aeronautics and Space Administration., red. Requirements for long-life operation of inert gas hollow cathodes--preliminary report. [Washington, DC: National Aeronautics and Space Administration, 1990.
Znajdź pełny tekst źródłaS, MacRae Gregory, i United States. National Aeronautics and Space Administration., red. Requirements for long-life operation of inert gas hollow cathodes--preliminary report. [Washington, DC: National Aeronautics and Space Administration, 1990.
Znajdź pełny tekst źródłaGordeev, V. F. Termoėmissionnye dugovye katody. Moskva: Ėnergoatomizdat, 1988.
Znajdź pełny tekst źródłaMesi︠a︡t︠s︡, G. A. Explosive electron emission. Ekaterinburg: URO-Press, 1998.
Znajdź pełny tekst źródłaCenter, NASA Glenn Research, red. Ferroelectric emission cathodes for low-power electric propulsion. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 2002.
Znajdź pełny tekst źródłaBajic, Stevan. "Non-metallic" cold-cathode electron emission from composite metal-insulator microstructures. Birmingham: AstonUniversity. Department of Electrical and Electronic Engineering and Applied Physics., 1989.
Znajdź pełny tekst źródłaCzęści książek na temat "Emissive cathode"
Egorov, Nikolay, i Evgeny Sheshin. "Field Emission Cathodes". W Field Emission Electronics, 229–93. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56561-3_5.
Pełny tekst źródłaEgorov, Nikolay, i Evgeny Sheshin. "Field Emission Cathode-Based Devices and Equipment". W Field Emission Electronics, 427–538. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56561-3_8.
Pełny tekst źródłaEgorov, Nikolay, i Evgeny Sheshin. "Carbon-Based Field-Emission Cathodes". W Field Emission Electronics, 295–367. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56561-3_6.
Pełny tekst źródłaEgorov, Nikolay, i Evgeny Sheshin. "Computation of Field-Emission Cathode-Based Electron Guns". W Field Emission Electronics, 369–426. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56561-3_7.
Pełny tekst źródłaEgorov, Nikolay, i Evgeny Sheshin. "Simulation of Structure and Parameters of Field Emission Cathodes". W Field Emission Electronics, 171–228. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-56561-3_4.
Pełny tekst źródłaOhkawa, Yasushi. "CNT Field-Emission Cathode for Space Applications". W Nanostructured Carbon Electron Emitters and Their Applications, 315–30. New York: Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003141990-15.
Pełny tekst źródłaMesyats, Gennady A., i Dimitri I. Proskurovsky. "Formation of New Emission Centers on the Cathode". W Pulsed Electrical Discharge in Vacuum, 159–80. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83698-5_8.
Pełny tekst źródłaBaumann, Peter K., i Robert J. Nemanich. "Electron Emission from CVD-Diamond Cold Cathodes". W Low-Pressure Synthetic Diamond, 281–303. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-71992-9_15.
Pełny tekst źródłaFursey, Georgiy N. "Explosive Electron Emission of Carbon-Based Cathodes, and Applications". W Modern Developments in Vacuum Electron Sources, 529–46. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47291-7_11.
Pełny tekst źródłaLv, Wenmei, Lian Wang, Yiwei Lu, Dong Wang, Hui Wang, Yuxin Hao, Yuanpeng Zhang, Zeqi Sun i Yongliang Tang. "Field Emission Properties of Wrinkled Multi-layer Graphene Cathodes". W Springer Proceedings in Physics, 280–84. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-3913-4_54.
Pełny tekst źródłaStreszczenia konferencji na temat "Emissive cathode"
Wang, L. "Research on Pulsed High-Current Secondary Electron Emission Cathode". W 2024 IEEE International Conference on Plasma Science (ICOPS), 1. IEEE, 2024. http://dx.doi.org/10.1109/icops58192.2024.10627566.
Pełny tekst źródłaLin, Ming-Wei, Chin-Hsin Yeh, Ten-Chin Wen i Tzung-Fang Guo. "Blue-emissive polymer light-emitting diodes through anode/cathode interfacial modification". W SPIE Organic Photonics + Electronics, redaktorzy Franky So i Chihaya Adachi. SPIE, 2012. http://dx.doi.org/10.1117/12.929449.
Pełny tekst źródłaGallardo, Juan, Eduardo Ahedo i Manuel Martinez-Sanchez. "Effects of an Intermediate Emissive Cathode on the Hall Thruster Discharge". W 38th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-4112.
Pełny tekst źródłaLitvinov, E., M. Yalandin, V. Shpak, S. Rukin, G. Mesyats, S. Korovin i V. Rostov. "Special Features of Emissive Characteristics of Cold Graphite Cathode with an Increase in the Repetition Rate of Nanosecond Accelerating Pulses". W 2005 IEEE Pulsed Power Conference. IEEE, 2005. http://dx.doi.org/10.1109/ppc.2005.300505.
Pełny tekst źródłaUdhiarto, Arief, Layina Maula Haryanto, Bobi Khoerun i Djoko Hartanto. "Effect of anode and cathode workfunction on the operating voltage and luminance of a single emissive layer organic light emitting diode". W 2017 15th International Conference on Quality in Research (QiR): International Symposium on Electrical and Computer Engineering. IEEE, 2017. http://dx.doi.org/10.1109/qir.2017.8168453.
Pełny tekst źródłaScheeline, Alexander, i M. A. Lovik. "Light scattering from particulates in high voltage sparks". W OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1985. http://dx.doi.org/10.1364/oam.1985.tha9.
Pełny tekst źródłaMarrese-Reading, Colleen, Bill Mackie, Jay Polk i Kevin Jensen. "Field emission cathodes for electrodynamic tethers: Identifying compatible cathode materials". W SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM- STAIF 2002. AIP, 2002. http://dx.doi.org/10.1063/1.1449748.
Pełny tekst źródłaRand, Lauren P., Ryne M. Waggoner i John D. Williams. "Hollow Cathode With Low Work Function Electride Insert". W ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-65785.
Pełny tekst źródłaKoval, N. N., V. N. Devyatkov i M. S. Vorobyev. "GRID PLASMA CATHODES: HISTORY, CONDITION, PROSPECTS". W Plasma emission electronics. Buryat Scientific Center of SB RAS Press, 2023. http://dx.doi.org/10.31554/978-5-7925-0655-8-2023-34-41.
Pełny tekst źródłaAstrelin, V. T. "INFLUENCE OF ELECTRON BEAM SOURCE PARAMETERS ON ELECTRON EMISSION FROM PLASMA CATHODE". W Plasma emission electronics. Buryat Scientific Center of SB RAS Press, 2023. http://dx.doi.org/10.31554/978-5-7925-0655-8-2023-56-63.
Pełny tekst źródłaRaporty organizacyjne na temat "Emissive cathode"
Lee, Bo. A knife-edge array field emission cathode. Office of Scientific and Technical Information (OSTI), sierpień 1994. http://dx.doi.org/10.2172/515571.
Pełny tekst źródłaThangaraj, Charles. Gated Field-Emission Cathode Radio-Frequency (RF) Gun. Office of Scientific and Technical Information (OSTI), listopad 2016. http://dx.doi.org/10.2172/1433861.
Pełny tekst źródłaSampayan, S. E., G. J. Caporaso, C. L. Holmes, E. J. Lauer, D. Prosnitz, D. O. Trimble i G. A. Westenskow. Emission from ferroelectric cathodes. Revision 1. Office of Scientific and Technical Information (OSTI), maj 1993. http://dx.doi.org/10.2172/10124125.
Pełny tekst źródłaOhlinger, Wayne L., i D. N. Hill. Field Emission Cathode and Vacuum Microelectronic Microwave Amplifier Development. Fort Belvoir, VA: Defense Technical Information Center, marzec 1992. http://dx.doi.org/10.21236/ada253846.
Pełny tekst źródłaOhlinger, Wayne L., i D. N. Hill. Field Emission Cathode and Vacuum Microelectronic Microwave Amplifier Development. Fort Belvoir, VA: Defense Technical Information Center, marzec 1992. http://dx.doi.org/10.21236/ada253847.
Pełny tekst źródłaJay L. Hirshfield. Rf Gun with High-Current Density Field Emission Cathode. Office of Scientific and Technical Information (OSTI), grudzień 2005. http://dx.doi.org/10.2172/861455.
Pełny tekst źródłaRocca, J. J., B. Szapiro i C. Murray. Electron Beam Generation by Electron Bombardment Induced Cathode Emission. Fort Belvoir, VA: Defense Technical Information Center, lipiec 1989. http://dx.doi.org/10.21236/ada218203.
Pełny tekst źródłaMelton, C., N. Pogue i T. Watson. 1013209497 - Cathode Side-emission Mitigation for Linear Induction Accelerators (AA). Office of Scientific and Technical Information (OSTI), lipiec 2023. http://dx.doi.org/10.2172/1988208.
Pełny tekst źródłaGundersen, Martin. Pulsed Power Plasma Devices Based on Hollow and Super-Emissive Cathodes. Fort Belvoir, VA: Defense Technical Information Center, październik 1995. http://dx.doi.org/10.21236/ada303960.
Pełny tekst źródłaHirshfield, Jay L. HIGH-CURRENT COLD CATHODE FIELD EMISSION ARRAY FOR ELECTRON LENS APPLICATION. Office of Scientific and Technical Information (OSTI), grudzień 2012. http://dx.doi.org/10.2172/1058891.
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