NtuEee InLiquid 2d_materials HfO2 mono_layer OxideLayer HardDiskMedia CrystalGrowing LateralPFM NUS_Physics Sadowski CaMnO3 Wildtype ForceVolumeImage FrequencyModulation CP-AFM Kevlar 3-hexylthiophene Ananth Gold LMF SiWafer Chemical Vapor Deposition high_resolution Graphite molecular_beam Zagreb GranadaUniv PUR molecular_self_assembly Inorganic_Compound Hafnium_dioxide PVAC Piranha ForceMapping