Hydroxyapatite Gong CeNSE_IISc MultiLayerCeramicCapacitor molecular_self_assembly IVSpectroscopy LogAmplifier PVAC Ni81Fe19 KPFM TemperatureControllerAFM exfoliate kelvin probe force microscopy Annealing Ananth Logo PhaseImaging NCM NTU MembraneFilter polyvinyl acetate ContactModeDots TPU MESA structure frequency_modulation Lift Conduct Pvdf Silicon Inorganic Calcium PFM CNT Butterfly LaAlO3