The hollow cathode effect
Experimental study of expanding hollow cathode discharges
... the hollow cathode effect, and the high plasma densities measured suggest that this is ...the hollow cathodes then diffuses into the expansion ...single hollow cathode in the ...
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A study of the hollow cathode metal vapour laser discharge
... the cathode current density increases by several orders of ...the hollow cathode ...the cathode region of the discharge has only two parts; the dark space,' close to the cathode surface ...
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Spectral emission analysis of a dc helium hollow cathode discharge
... cylindrical hollow cathode, from which the dependence of a fully developed hollow cathode effect on the discharge conditions may be determined and compared to those deduced through ...
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Theoretical and Experimental Investigation of Hollow Cathode Nitrogen Glow Discharge Plasma
... - Hollow Cathode, Glow Discharge Pressure, Plasma Parameters and Langmuir probe ...A hollow cathode glow discharge is a subclass of glow discharge and offers characteristics quite unique from ...
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Dependence of some plasma parameters on ap in a dc helium hollow cathode discharge
... helium hollow cathode discharge with the product of the hollow cathode diameter and gas pressure ap is ...the hollow cathode effect is said to be fully ...
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Plasma Surface Interactions in Hollow Cathode Discharges for Electric Propulsion
... actual hollow cathode operating under normal ...the cathode geometry and the high particle densities in the plasma prevent direct measurement of the surface ...the cathode dur- ing poisoning. ...
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Effect of Nitrogen Gas Pressure and Hollow Cathode Geometry on the Luminous Intensity Emitted from Glow Discharge Plasma
... the hollow cathode entirely in one of them and approximately for three others as well as different in the shape, size and length of positive column , in addition to that also different in the Faraday dark ...
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S@NiS Hollow Spheres as Cathode Materials for Lithium- Sulfur Batteries
... shuttle effect of the polysulfide in the ...shuttle effect of the polysulfide in the ...S@NiS hollow sphere composites are synthesized and employed as cathode materials in lithium-sulfur ...
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High Power LiMn2O4 Hollow Microsphere Cathode Materials for Lithium Ion Batteries
... Jahn-Teller effect [4]. The poor power density and large polarization effect have largely hindered its application in high power lithium ion batteries, which are due to slow diffusion and long diffusion ...
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Sulfur/hollow Carbon Nanofiber Composite as Cathode Material for Lithium-Sulfur Batteries
... LSC73 cathode at different cycle stages were shown in ...The effect of polysulfides dissolution on electrolyte resistance seems to be limited due to the slight change in R 0 with ...unique hollow ...
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Q-switched laser as a source for Thomson scattering from a hollow cathode arc.
... field effect characterized by initial lasing occuring only within a filament f of the rod1s cross ...diffraction effect is determined by the Fresnel relation 2L = f2/ \ * The fractional loss by diffraction ...
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Synthesis and Electrochemical Property of LiMn2O4 Porous Hollow Nanofiber as Cathode for Lithium Ion Batteries
... ous hollow nanofibers (S2) were evaluated by galvanostatic charge/discharge cycling in the voltage range of ...polarization effect occurs during the cir- culation ...porous hollow nanofibers, which ...
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Preparation and Optimization of Nanoporous Hollow Carbon spheres /S Composite Cathode Materials for Li-S battery
... with hollow sphere structure is prepared by using PS microspheres as the template and phenolic resin as the carbon source, combining with subsequent CO 2 ...remarkable effect in suppressing the loss of ...
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Electrochemical Properties of Hollow Spherical Na3V2(PO4)3/C Cathode Materials for Sodium-ion Batteries
... synergetic effect of hollow structure and high carbon ...dispersed hollow spherical particles could increase the contact area between electrode and electrolyte and facilitate the charge ...
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Thrust characterization of a T5 hollow cathode
... T5 cathode are shown to be promising at least after several tens of hours of ...the cathode initiated readily with less than 28V from the anode ...early cathode life, to start a discharge from a 28V ...
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Hollow cathode thrusters for all electric spacecraft
... orificed hollow cathode design, especially important when operating off a small satellite bus at low ...the cathode-anode gap is sufficient, the anode will passively collect the discharge current ...
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Hollow Cathode Lamp Frequently Asked Questions
... What is the purpose of the fill gas? • The fill gas allows the sputtering of the cathode material. The fill gas is ionized when a high voltage is applied between the electrodes. These ions are accelerated towards ...
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Characteristics of cylindrical hollow cathode plasma jet
... hollow cathode plasma jet A low pressure pulsed DC hollow cathode plasma jet system has been ...pulsed hollow cathode plasma jet systems were developed due to their high ...
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Studies of hollow cathode He Cd lasers
... one cathode o ...e cathode w a l l , and one o f th e o b j e c t i v e s o f t h e rem a in d e r o f t h i s c h a p t e r i s to d e r i v e c r i t e r i a f o r cathode d e s ig n from t h e s o ...
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Probe and Emission Spectrometry Diagnostics in Hollow Cathode Magnetron
... the cathode changes very little, as I-V characteristics of the discharge depend poorly on a current of an ...the cathode where magnetized electrons move along divergent magnetic field lines of the ...
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