LightEmiting Mechinical NUS_Physics NanoLithography LowDensityPolyethylene Filter Protein CalciumHydroxyapatite FrictionalForce Oxide TipBiasMode ScanningIon-ConductanceMicroscopy LateralPFM Electrode SelfAssembly Biology mechanical_property NCM HexagonalBN ScanningSpreadingResistanceMicroscopy Magnetic Force Microscopy Christmas single_layer Tapping LeakageCurrent Permalloy WS2 Solution Organic PolyvinylAcetate F14H20 Adhesion plastic FuelCell Piezoresponse