Flake plastic optoelectronics Polyimide thermoplastic_elastomers CVD HDD ElectroChemical Vanadate thermal_property Ca10(PO4)6(OH)2 C_AFM Dimethicone #EC Polymer EFM piezoelectric force microscopy Ram KPFM Hair Kevlar Carbon polyvinyl acetate PANI FFM Varistor AAO TiO2 LateralForceMicroscopy Pores Writing Alkane Memory Grain Stiffness