IIT-chennai non_contact SThM DiffractiveOpticalElements BCZT Optic Multiferroic_materials AM-KPFM Treatment Self-assembledMonolayer biocompatible AdhesionForce LateralPFM Protein Yttria_stabilized_Zirconia Sperm food Piezoelectric Copolymer SoftSample IVSpectroscopy dichalcogenide Organic FAFailureAnlaysis AAO TemperatureControllerAFM kelvin probe force microscopy Ni-FeAlloy Conducting Formamidinium_lead_iodide ScanningKelvinProbeMicroscopy exfoliate CrystalGrowing Scanning_Thermal_Microscopy Calcium