frequency_modulation Polyvinylidene AM_SKPM Anneal ForceVolumeMapping Potential PolyStylene HighAcpectRatio SetpointMode Gallium STO graphene_hybrid PS_PVAC Tape Scratch ShenYang China Friction SKPM SiliconOxide MagneticPhase temp PhaseImaging #Materials Layer cannabinoid Mosfet dichalcogenide Nanostructure hetero_structure Bismuth Moire fe_nd_b KelvinProbeForceMicroscopy TempControl