ElectroChemical PolyvinylideneFluoride ForceVolumeImage cannabidiol Al2O3 StainlessSteel #EC ScanningThermalMicroscopy Piezo heterojunctions Sidewall Beads LateralForceMicroscopy PpLdpe Au111 MfmPhase ForceVolumeMapping LateralPFM PolymerPatterns LiquidCrystal fe_nd_b EvatecAG Annealing Holes Boundary Cobalt-dopedIronOxide AM-KPFM cross section Fet Glass Heat Polyvinylidene GlassTemp MagneticArray MESA structure