LeakageCurrent BismuthFerrite MolecularSelfAssembly SoftSample Singapore SmallScan ferromagnetic Formamidinium_lead_iodide GlassTemp C36H74 TyphimuriumBiofilm rubber Liquid ScanningKelvinProbeMicroscopy MultiferroicMaterials ImideMonomer StrontiumTitanate Laser Sulfur polyvinyl acetate ThermalDetectors PVA Polyimide EvatecAG plastics plastic neodymium_magnets aluminum_nitride Pinpoint DNAProtein TemperatureControlledAFM hetero_structure LFM Flake piezoelectric force microscopy