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We present calculations of secondary electron emission (SEE) yields intungsten as a function of primary electron energies between 50 eV and 1 keV andincidence angles between 0 and 90{\deg}. We conduct a review of the establishedMonte Carlo methods to simulate multiple electron scattering in solids andselect the best suited to study SEE in high-Z metals. We generate secondaryelectron yield and emission energy functions of the incident energy and angleand fit them to bivariate fitting functions using symbolic regression. Wecompare the numerical results with experimental data, with good agreementfound. Our calculations are the first step towards studying SEE innanoarchitected surfaces for electric propulsion chamber walls.

Calculation of secondary electron emission yields from low-energy electron deposition in tungsten surfaces