Tribocharging of identical insulators: Triboelectric series, triboelectric cycles and surface charges
J.C.A. Sobarzo Ponce, Tribocharging of Identical Insulators: Triboelectric Series, Triboelectric Cycles and Surface Charges, Institute of Science and Technology Austria, 2025.

Spontaneous ordering of identical materials into a triboelectric series
J.C.A. Sobarzo Ponce, F. Pertl, D. Balazs, T. Costanzo, M. Sauer, A. Foelske, M. Ostermann, C.M. Pichler, Y. Wang, Y. Nagata, M. Bonn, S.R. Waitukaitis, Nature 638 (2025).

Multiple charge carrier species as a possible cause for triboelectric cycles
J.C.A. Sobarzo Ponce, S.R. Waitukaitis, Physical Review E 109 (2024).

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).