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Helium electric propulsion
Helium electric propulsion







helium electric propulsion

Sampath, "A plasma-enhanced close-spacing sublimation (PECSS) device for photovoltaic thin-film modification," 65th Gaseous Electronics Conference, Austin, Texas, Oct. Rand, "Low Work Function Coating for an Entirely Propellant-less Bare Electrodynamic Tether," IEEE Transactions of Plasma Science, V. Williams, "Ion Etching for Sharp Tip Features on Titanium and the Response of Cells to these Surfaces," Materials Letters, V. Williams, "Low energy helium ion texturization of titanium and relevance to biomedical applications," Surface and Coatings Technology, V. Popat, "Improved thrombogenicity on oxygen etched Ti6Al4V surfaces," Materials Science and Engineering C - Materials for Biological Applications, V. "Antibacterial effects of silver-doped hydroxyapatite thin films sputter deposited on titanium," Materials Science and Engineering: C, Volume 32, Issue 8, 1 December 2012, Pages 2135-2144.

  • Trujillo, N.A., Oldinski, R.A., Ma, H., Bryers, J.D., Williams, J.D., Popat, K.C.
  • Williams, "Source Characterization for a Combined Effects Space Simulation Facility," AIAA Aerospace Sciences Meeting, Grapevine, Texas, 7-10 January 2013. Sites, "Improved CdTe Solar-Cell Performance by Plasma Cleaning the TCO Layer," IEEE Journal of Photovoltaics, V. Williams, "Instant Start Electride Hollow Cathode," 33rd International Electric Propulsion Conference, IEPC-2013-305, The George Washington University, October 6 - 10, 2013. Williams, "Electrostatic Analyzers with Application to Electric Propulsion Testing," IEPC-2013-300, 33rd International Electric Propulsion Conference, The George Washington University, Washington D.C., 2013 "Emission Current, Bias Voltage, and Ion Production Rates of Cathodic Hollow Cathode-driven Plasma Contactors," Journal of Spacecraft and Rockets, 2014. "The plasma properties and electron emission characteristics of near-zero differential resistance of hollow cathode-based plasma contactors with a discharge chamber." PHYSICS OF PLASMAS 21, 083506 (2014). "Current-voltage characteristics of a cathodic plasma contactor with discharge chamber for application in electrodynamic tether propulsion." Journal of Physics D: Applied Physics, 47(15), 6.

    helium electric propulsion

    Williams, "Determination of Hollow Cathode Plasma Contactor System Requirements using an Electrodynamic Tether System Simulation Tool," 13th International Spacecraft Charging Technology Conference, Pasadena, California, 23-27 June 2014. "Characterization of a hollow cathode styled plasma reactor for photovoltaic applications." Plasma Sources Science and Technology 24, no. Metz, Garrett E., Leonard Mahoney, Nicholas A.

    helium electric propulsion

    Williams, "A Calcium Aluminate Electride Hollow Cathode," IEEE Transactions on Plasma Science, Vol. Farnell, "Performance evaluation of a 1.5 kW Hall effect thruster with a center mounted heaterless hollow cathode using xenon and krypton propellant," 62nd JANNAF Propulsion Meeting, Nashville, TN, 2015. "Non-Invasive Hall Current Distribution Measurement in a Hall Effect Thruster", 51st AIAA/SAE/ASEE Joint Propulsion Conference, AIAA Propulsion and Energy Forum, ( AIAA 2015-4005) "Recommended Practice for Use of Electrostatic Analyzers in Electric Propulsion Testing". Williams, "Non-invasive Hall current distribution measurement in a Hall effect thruster," Review of Scientific Instruments 88, 013507 (2017) doi: 10.1063/1.4974098 Link Thermoelectric Properties and Morphology of Si/SiC Thin-Film Multilayers Grown by Ion Beam Sputtering.









    Helium electric propulsion