Uniform distribution of individual current in cluster of emitters
2023 IEEE 36TH INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE, IVNC(2023)
Abstract
Electrostatic depolarization in clusters of emitters causes the emission to concentrate on the outer corners. However, ellipsoidal profiling of the heights can significantly homogenize the emitted current on the emitters. Here, we present three-dimensional analyses to improve the applicability of our previous two-dimensional clusters.
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Key words
Uniform emission current,ellipsoidal height profile,optimization current density
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