Piezoelectric light_emission Led ForceVolumeMapping polymeric_arrays Adhesion #EC 2d_materials HanyangUniv AM_KPFM lift_mode FailureAnalysis CP-AFM FloppyDisk SoftSample SKPM hard_disk Ananth LiftHeight aluminum_nitride BlockCopolymer FM_KPFM PiezoelectricForceMicroscopy Cross-section ThinFilm Copolymer LeakageCurrent Lateral SicMosfet SmallScan Carbon Nanostructure OpticalModulator Gallium_Arsenide Wonseok