The analysis of high amplitude of potential oscillations near the hollow cathode of ion thruster
Sign Up to like & getrecommendations! Published in 2017 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2017.02.012
Abstract: Abstract The influence of gas flow, current level, and different shapes of anode on the oscillation amplitude and the characteristics of the hollow cathode discharge were investigated. The average plasma potential, temporal measurements of plasma… read more here.
Keywords: amplitude potential; plasma potential; high amplitude; potential oscillations ... See more keywords
Application of a microwave cathode to a 200-W Hall thruster with comparison to a hollow cathode
Sign Up to like & getrecommendations! Published in 2020 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.06.049
Abstract: Abstract A hollow cathode is an efficient electron source in the self-heating mode utilizing the discharge power. However, in sub-ampere currents, it needs keeper power to maintain the thermionic electron discharge, which could decrease the… read more here.
Keywords: cathode; hall thruster; cathode 200; microwave cathode ... See more keywords
Formation of an oxide layer on a biomaterial Co-Cr-Mo alloy by using a hollow-cathode glow discharge plasma with argon-oxygen and neon-oxygen mixed gases
Sign Up to like & getrecommendations! Published in 2020 at "Surfaces and Interfaces"
DOI: 10.1016/j.surfin.2019.100402
Abstract: Abstract A plasma treatment was investigated as a way to form an oxide layer on a biomaterial Co-Cr-Mo alloy (CCM alloy); the method uses a hollow-cathode-type glow discharge as the atomization/reaction source, and it is… read more here.
Keywords: oxygen; alloy; plasma; oxide layer ... See more keywords
Glass-like carbon films grown by pulsed hollow cathode via plasma immersion ion implantation and deposition
Sign Up to like & getrecommendations! Published in 2020 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2019.137703
Abstract: Abstract Plasma Immersion Ion Implantation and Deposition (PIII&D) systems based on pulsed metal tubes are a very promising technique to deposit diamond-like carbon and correlated thin films. A hollow cathode plasma can be appropriately used… read more here.
Keywords: carbon; like carbon; carbon films; glass like ... See more keywords
Pressure effect on a tandem hollow cathode discharge in argon
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Plasmas"
DOI: 10.1063/1.5004681
Abstract: The tandem hollow cathode discharge, formulated by arranging two discharges in series, is an important method used to increase the irradiance of a hollow cathode discharge. In this paper, based on a two-dimensional fluid model… read more here.
Keywords: cathode; tandem hollow; cathode discharge; discharge ... See more keywords
Acoustic emission by self-organising effects of micro-hollow cathode discharges
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5024459
Abstract: We designed micro-hollow cathode discharge prototypes under atmospheric pressure and investi-gated their acoustic characteristics. For the acoustic model of the discharge, we correlated the self-organisation effect of the current density distribution with the ideal model… read more here.
Keywords: micro hollow; acoustic emission; model; hollow cathode ... See more keywords
Influence of the cathode material in the cathode fall characteristics of a hydrogen hollow cathode glow-discharge
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5040803
Abstract: In this work, we present Doppler free two photon optogalvanic measurements to determine the local electric field strength (E-field) in the cathode fall region of a hollow cathode discharge, operated in pure hydrogen, via the… read more here.
Keywords: field; cathode fall; cathode; discharge ... See more keywords
Experimental and simulation study of pulsed micro-hollow cathode discharge in atmospheric-pressure helium
Sign Up to like & getrecommendations! Published in 2018 at "Physics of Plasmas"
DOI: 10.1063/1.5063450
Abstract: In this paper, we present an experimental and numerical study on micro-hollow cathode discharge (MHCD) in helium at atmospheric pressure. The discharge in the micro-hollow cathode is driven by a −700 V pulsed power supply with… read more here.
Keywords: micro hollow; cathode discharge; discharge; hollow cathode ... See more keywords
Numerical simulation of the cathode erosion by ion sputtering in hollow cathode arc discharges
Sign Up to like & getrecommendations! Published in 2021 at "Physics of Plasmas"
DOI: 10.1063/5.0039652
Abstract: Cathode erosion by ion sputtering is one of the primary erosion mechanisms in hollow cathode discharges. In this paper, the moving mesh approach coupling with a two-dimensional plasma fluid model was employed to simulate the… read more here.
Keywords: ion sputtering; cathode; erosion; hollow cathode ... See more keywords
Plasma hollow cathodes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0051228
Abstract: Hollow cathode plasma discharges are a fundamental part of a large variety of applications in industry, academia, and space. From surface processing and coatings deposition to plasma–surface interaction research and electric propulsion, advances in hollow… read more here.
Keywords: hollow cathodes; hollow cathode; plasma hollow;
Hollow cathode atomic source applicable to gas, liquid residue, and solid sample phases
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2018.1532848
Abstract: ABSTRACT We have developed a compact DC-glow discharge hollow cathode atomic source without requiring extensive chemical pretreatment. This system is intended for laser absorption spectroscopy to function as the source of neutral atoms. Our investigative… read more here.
Keywords: source; atomic source; hollow cathode; cathode atomic ... See more keywords