Webneutralization with beam-initiated ionization of background gas, volume plasma, and plasma plug are quite different. Simulations with the 3-D electromagnetic code LSP show … WebThis paper reports on a beam direct energy convertor (BDC) designed to recover unneutralized ion beam energies in a 500-keV negative-ion-based deuterium neutral …
Kinetic PIC Modeling of Ion Beam Neutralization - Esgee Tech
Web7 dec. 2004 · Step 2--Propellant (shown in green) is injected from the plenum and travels toward the discharge cathode. Step 3--Electrons impact the propellant atoms to create ions (shown in blue). Step 4--Ions are … Web9 dec. 2014 · James C. Sizemore. “As the Director of Engineering, I reported directly to Michael Tanguay VP of Sales and Engineering, for a … devilish education full
Deterioration of ion beam neutralization caused by reflection of ...
Web665 Fig.3a,b. AFM images of the InAs surface: a before ion beam smooth-ing and b after ion beam smoothing with N2 at ion beam normal incidence ion D0 , ion energy Eion D200 eV and ion dose Dion D1:8 1019 cm−2 Rq D.0:2 0:1/nm for the InSb, InP, and InAs samples, re- spectively. The etch rates under these N2 RIBE conditions are23nmmin−1 … WebThe beam is injected from the left boundary for 2.4 s. The injected beam ions are 160 keV Cs +1( = 0 : 0016 ), with a current that rises linearly from zero to 400 Ain 200 ns and then remains constant. The beam density and electric field profiles were analyzed at z =67 cm. Webunderstanding of the neutralization of intense ion beams by electron sources and a background plasma. The present discussion is focused on high-energy ion beam pulses with ion beam velocity that is large compared to the electron ther-mal velocity, i.e., V b V Te. 5 The typical temperature of background plasma electrons pro- church goals for 2021