49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference 2013
DOI: 10.2514/6.2013-4132
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The Plasma-Material Interactions Facility at UCLA

Abstract: A new device has been constructed for the investigation of interactions between engineered materials and a plasma in the regime relevant to electric propulsion. The facility is comprised of a cylindrical vacuum chamber with a flange-mounted, hollow cathode plasma source running perpendicular to the chamber axis. The plasma source delivers unmagnetized ions and thermal, magnetized electrons to a cooled target mounted on the opposing flange. The ion energy impacting the surface is controlled by the sample bias r… Show more

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Cited by 3 publications
(2 citation statements)
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“…The plasma discharge is controlled by commanding the gas flow and discharge current. The Pi facility operating conditions have been previously described by Matlock et al [11,17].…”
Section: Pi Facilitymentioning
confidence: 99%
“…The plasma discharge is controlled by commanding the gas flow and discharge current. The Pi facility operating conditions have been previously described by Matlock et al [11,17].…”
Section: Pi Facilitymentioning
confidence: 99%
“…3 Discharge currents on the order of 100 A are collected radially at the anode across axial magnetic fields of several hundred Gauss despite relatively low collisionality. 4 Efforts to model our device, 5 for the dual purpose of optimization and eventual multiscale plasma-material interaction modeling, must include some accounting for the anomalously high electron transport. Similar devices, with strong low frequency, rotating modes are currently studied by a variety of groups 6-8 for the purpose of advancing the understanding of plasma instability induced transport.…”
Section: Introductionmentioning
confidence: 99%