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Low-Fluence Electron Yields Of Highly Insulating Materials, Ryan Hoffmann, John R. Dennison
Low-Fluence Electron Yields Of Highly Insulating Materials, Ryan Hoffmann, John R. Dennison
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Electron-induced electron yields of high-resistivity, high-yield materials - ceramic polycrystalline aluminum oxide and the polymer polyimide (Kapton HN), - were made by using a low-fluence, pulsed incident electron beam and charge neutralization electron source to minimize charge accumulation. Large changes in energy-dependent total yield curves and yield decay curves were observed, even for incident electron fluences of