Geodesic
Mathematical modeling of a field emitter with a hyperbolic shape
Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ, Tome 16 (2020) no. 3, pp. 238-248

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This article is devoted to modeling a field emission diode system. The emitter surface is a hyperboloid of rotation. The anode surface is a part of the hyperboloid of rotation, in a particular case, a circular diaphragm. A boundary value problem is formulated for the Laplace equation with non-axisymmetric boundary conditions of the first kind. A 3D solution was found by the variable separation method in the prolate spheroidal coordinates. The electrostatic potential distribution is presented in the form of the Legendre functions expansions. The calculation of the expansion coefficients is reduced to solving a system of linear equations with constant coefficients. All geometric dimensions of the system are the parameters of the problem.
Keywords: micro and nanoelectronics, field emitter, field emission, mathematical modeling, electrostatic potential, boundary-value problem, Legendre functions. 
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     author = {N. V. Egorov and E. M. Vinogradova},
     title = {Mathematical modeling of a field emitter with a hyperbolic shape},
     journal = {Vestnik Sankt-Peterburgskogo universiteta. Prikladna\^a matematika, informatika, processy upravleni\^a},
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     number = {3},
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     url = {http://geodesic.mathdoc.fr/item/VSPUI_2020_16_3_a1/}
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N. V. Egorov; E. M. Vinogradova. Mathematical modeling of a field emitter with a hyperbolic shape. Vestnik Sankt-Peterburgskogo universiteta. Prikladnaâ matematika, informatika, processy upravleniâ, Tome 16 (2020) no. 3, pp. 238-248. http://geodesic.mathdoc.fr/item/VSPUI_2020_16_3_a1/