Hair Reading FFM FuelCell layers PVAC DLaTGS SSRM Morphology NUS_NNI_Nanocore graphene_hybrid Hafnia MESA structure BiFeO3 molecular_self_assembly Ptfe PinpointPFM Polydimethylsiloxane SICM mfm_amplitude PolycrystallineFerroelectricBCZT membrane Galfenol Piezoelectric Polyurethane frequency_modulation Zhi SmallScan Heat Sic India DomainSwitching TriGlycineSulphate Austenite vertical_PFM