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