Mapping LDPE amplitude_modulation MagneticForce Bacterium Dr.JurekSadowski NusEce Pattern ScanningSpreadingResistanceMicroscopy Defect ContactMode Growth Corrosion PhaseChange Blend Praseodymium Chloroform I-VSpectroscopy vertical_PFM ElectroDeposition PinPointMode Defects Adhesive Hole MBE EFMAmplitude Treatment ConductiveAFM Graphene ScanningThermalMicroscopy chemical_compound lithography Photovoltaics BiVO4 Ananth