University_of_Regensburg PVA Floppy kelvin probe force microscopy Inorganic ThermalDetectors PetruPoni_Institute SiliconeOxide LiquidCrystal Conductive AFM GranadaUniv FloppyDisk CaMnO3 DomainSwitching SmallScan SingleLayer Spincast ferromagnetic AM-KPFM Polyurethane dielectric trench Kevlar CVD ForceVolumeMapping molecular_self_assembly MagneticPhase tip_bias_mode Writing SiliconOxide Sulfur Optic Calcite small_scan LightEmission PolymerBlend