AmplitudeModulation Microchannel Glass Phase Wildtype gallium_nitride Ucl Cobalt-dopedIronOxide PetruPoni_Institute Polyethylene Change VortexCore Solution LaAlO3 ForceVolumeMapping molecules SurfaceOxidation PetruPoni Composite Dental PANI DIWafer Subhajjit Sulfur Conductive AFM Pinpoint PFM OrganicSemiconductor ConductiveAFM Mechinical polyvinyl acetate Worcester_Polytechnic_Institute Electrical&Electronics HighAcpectRatio C_AFM MechanicalProperty