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- W1989580227 abstract "A recently published field emission cathode parameter extraction method [X. He et al., J. Appl. Phys. 102, 056107 (2007)] provides unambiguous and reliable cathode parameters. The method utilizes a transfer matrix method (TMM) to solve a one-dimensional model that includes both thermionic and field electron emission. However, there are modest differences between our TMM simulation results and experimental data near the transition point between thermal-dominated and field-dominated electron emission. We hypothesize that this discrepancy is due a dependence of effective emitting area with applied electric field. Incorporating surface field enhancement factors and emission area variations that are physically intuitive as the applied field is varied within our TMM simulation, we obtain much better agreement with the experimental data. This result supports the hypothesis that the effective emission area varies as a function of the applied electric field between the A-K (anode-cathode) gap." @default.
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- W1989580227 date "2009-05-01" @default.
- W1989580227 modified "2023-09-26" @default.
- W1989580227 title "Examination of cathode emission area variation with applied electric field" @default.
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- W1989580227 doi "https://doi.org/10.1063/1.3116730" @default.
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