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Electron beam generation using a ferroelectric cathode

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6 Author(s)
Ivers, J.D. ; Sch. of Electr. Eng., Cornell Univ., Ithaca, NY, USA ; Flechtner, D. ; Golkowski, C. ; Guozhi Liu
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Data is presented on the production of electron beams from a ferroelectric cathode at voltages of order 0.5 MV and current densities of order 100 A/cm2. In comparison with data at lower voltages, the beam current scales as the three-halves-power of the voltage. An interpretation of the voltage dependent scaling, based on the coupling of electrostatic energy from the ferroelectric to the gun, is presented

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Plasma Science, IEEE Transactions on  (Volume:27 ,  Issue: 3 )