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).

A duality between surface charge and work function in scanning Kelvin probe microscopy
I.C. Lenton, F. Pertl, L.B. Shafeek, S.R. Waitukaitis, Advanced Materials Interfaces (2025).

No time for surface charge: How bulk conductivity hides charge patterns from Kelvin probe force microscopy in contact-electrified surfaces
F. Pertl, I.C. Lenton, T. Cramer, S.R. Waitukaitis, Physical Review Letters 135 (2025).

No Time for Surface Charge: How Bulk Conductivity Hides Charge Patterns from Kelvin Probe Force Microscopy in Contact-Electrified Surfaces
F. Pertl, (2025).

Beyond the blur: Using experimentally determined point spread functions to improve scanning Kelvin probe imaging
I.C. Lenton, F. Pertl, L.B. Shafeek, S.R. Waitukaitis, Journal of Applied Physics 136 (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).