Electrical insulation KPFM HVDC cable Polarity reversal Electrodes Acoustic wave propagation Thin films Interfacial charge Electron-beam irradiation Breakdown Silver Plasma processes Dielectric FLIMM Cumyl alcohol Transport Dielectric films AFM PTFE PEA Proteins Bipolar charge transport model Dielectric charging Kelvin Probe Force Microscopy Epoxy resin Cathodoluminescence Epoxy Dielectric properties Insulating polymers Polyimide FTIR Dielectrics Cable Polymeric insulation Electrostatics Nanostructured dielectrics Ac electric field SiO2 Polarization Cross-linked polyethylene HVDC XLPE LDPE Charges injection Optimization Conduction current Dielectric materials Polyethylene AgNPs DC stress Charge measurement Electric field Plasma process Space charge Field distribution Interfaces Conductivity Cross-linking by-products Polypropylene BSA Electrical ageing Crosslinked polyethylene Electric field distribution Radiation effects Gamma irradiation Thermal aging LIMM Fluid model Current measurement Insulation Charge d'espace Charge transport model Mechanical properties Charge transport modeling Polymers Power cables Partial discharges Silicon compounds Luminescence Ageing EFM Aluminum oxide Polymer DC conductivity Accumulation characteristics Charge transport Nanocomposite Charge injection Plasma deposition Charge trapping Rotating machines Pulsed electro acoustic method Permittivity Atomic force microscopy C-AFM Dielectric material Space charges Electroluminescence Silver nanoparticles Modeling