Operation and Performance of a Magnetically Shielded Hall Thruster at Ultrahigh Current Densities on Xenon and Krypton LL Su, PJ Roberts, T Gill, W Hurley, TA Marks, CL Sercel, M Allen, ... AIAA SCITECH 2023 Forum, 0842, 2023 | 10 | 2023 |
Prediction and mitigation of the mode transition in a magnetically shielded Hall thruster at high-specific impulse and low power BA Jorns, M Byrne, P Roberts, L Su, E Dale, RR Hofer 37th International Electric Propulsion Conference, 2022 | 7 | 2022 |
A classical analogy for quantum band formation P Roberts, A Skinner, T Cobb, S Carr, SA Hilbert American Journal of Physics 86 (8), 609-615, 2018 | 7 | 2018 |
Spatiotemporally resolved ion velocity distribution measurements in the 12.5 kW HERMeS Hall thruster V Chaplin, R Lobbia, A Lopez Ortega, I Mikellides, R Hofer APS Division of Plasma Physics Meeting Abstracts 2018, NO8. 015, 2018 | 7 | 2018 |
Experimental characterization of wave-induced azimuthal ion velocities in a hollow cathode plume PJ Roberts, BA Jorns, VH Chaplin AIAA SciTech 2022 Forum, 1561, 2022 | 6 | 2022 |
Impact of low-frequency oscillations on ion energy in a high-power magnetically shielded Hall thruster PJ Roberts, VH Chaplin, A Lopez Ortega, IG Mikellides Journal of Applied Physics 131 (3), 033301, 2022 | 5 | 2022 |
Characterization of electron mach number in a hollow cathode with Thomson scattering PJ Roberts, B Jorns AIAA SCITECH 2023 Forum, 0843, 2023 | 4 | 2023 |
Coupling of Electrical and Pressure Facility Effects in Hall Effect Thruster Testing MP Byrne, PJ Roberts, BA Jorns meta 5, 2, 2006 | 3 | 2006 |
Laser Measurement of Anomalous Electron Diffusion in a Crossed-Field Plasma PJ Roberts, BA Jorns Physical Review Letters 132 (13), 135301, 2024 | | 2024 |
High-Current Density Performance of a Magnetically Shielded Hall Thruster LL Su, PJ Roberts, TM Gill, WJ Hurley, TA Marks, CL Sercel, MG Allen, ... Journal of Propulsion and Power, 1-18, 2024 | | 2024 |
Laser-Induced Fluorescence Measurements of Driven High-Frequency Electrostatic Waves in a Hollow Cathode Plume VH Chaplin, M Byrne, N Butler-Craig, PJ Roberts, RB Lobbia, JE Polk AIAA SCITECH 2024 Forum, 0924, 2024 | | 2024 |
Inferring Electron Heat Flux in a High-Power Hall Thruster with Incoherent Thomson Scattering PJ Roberts, B Jorns AIAA SCITECH 2024 Forum, 1957, 2024 | | 2024 |
Thomson Scattering Measurements of Anomalous Electron Transport in a Hall Thruster P Roberts, Z Brown, B Jorns APS Annual Gaseous Electronics Meeting Abstracts, IW5. 073, 2023 | | 2023 |
Non-invasive Characterization of Electron Mach Number in a Hollow Cathode with Incoherent Thomson Scattering PJ Roberts, Z Brown | | 2023 |
Elevated Hall Thruster Surface Sputtering due to Azimuthal Cathode Waves PJ Roberts, BA Jorns 37th International Electric Propulsion Conference, 2022 | | 2022 |
Overview of Recent Progress on Optical Diagnostics for Hall Thrusters at NASA JPL V Chaplin, R Lobbia, P Roberts, T Simka, A Lopez Ortega, I Mikellides, ... APS Division of Plasma Physics Meeting Abstracts 2020, PO05. 010, 2020 | | 2020 |
Data analysis of wave propagation and boundary interactions in the ion cyclotron range of frequencies at LaPD P Roberts, R Perkins, T Carter, B Van Compernolle, W Gekelman, P Pribyl, ... APS Division of Plasma Physics Meeting Abstracts 2018, JP11. 059, 2018 | | 2018 |