LateralPFM BlockCopolymer Optical Butterfly 2-vinylpyridine STO PMNPT PhaseTransition PANI AM_KPFM ScanningSpreadingResistanceMicroscopy LiBattery Phenanthrene Dimethicone PolyvinylideneFluoride StyreneBeads OxideLayer Galfenol ContactMode Composition FM_KPFM nanomechanical C60H122 H-BN graphene_hybrid Perovskite NCM Gallium_Arsenide Metal Iron PolymerBlend ReflexLens Subhajjit Polyethylene SetpointMode