KelvinProbeForceMicroscopy ElectroChemical BCZT Hafnia PtfeMembrane Yttria_stabilized_Zirconia EvatecAG Step LiftHeight C_AFM Multiferroic_materials light_emitting Nanostructure China Polyimide Mechinical AAO Scratch Chemical_Vapor_Deposition Phosphide Sperm HardDisk ScanningKelvinProbeMicroscopy LightEmiting Fe_film non_contact Floppy Gold DNA Formamidinium_lead_iodide BloodCell FrictionalForce Solar atomic_layer Materials