AlkaneFilm light_emitting Lateral_Force_Microscopy Scratch sputter CalciumHydroxyapatite Pinpoint PFM Gong Vanadate Lift Fe_film Current Hexylthiophene PVAC gallium_nitride Beads OxideLayer BloodCell Formamidinium_lead_iodide Polydimethylsiloxane dielectric_trench CP-AFM Fet rubber LDPE Vortex Moire lithography DLaTGS VerticalPFM PVA MechanicalProperties non_contact AdhesionEnergy NTU