Quantifying nanoscale charge density features of contact-charged surfaces with an FEM/KPFM-hybrid approach
F. Pertl, J.C.A. Sobarzo Ponce, L.B. Shafeek, T. Cramer, S.R. Waitukaitis, Physical Review Materials 6 (2022).

Quantitatively consistent scale-spanning model for same-material tribocharging
G.M. Grosjean, S. Wald, J.C.A. Sobarzo Ponce, S.R. Waitukaitis, Physical Review Materials 4 (2020).