Piranha Semiconductor MembraneFilter Pinpoint light_emission Sperm Flake Calcium Piezoresponse BismuthFerrite Subhajjit Pinpoint PFM Aggregated_molecules Cancer fluoroaalkane Morphology pulsed_laser_deposition Lateral_Force_Microscopy Alkane ReflexLens FFM Co/Cr/Pt Terrace StyreneBeads Polyvinylidene margarine Stiffness Silicon PolycrystallineFerroelectricBCZT Yeditepe NUS_NNI_Nanocore SmalScan non_contact Defects optoelectronics