ScratchMode Forevision Pattern CuParticle 2-vinylpyridine ScanningIon-ConductanceMicroscopy Jason TPU Tin disulfide Monisha IVSpectroscopy Cross-section PolyvinylAcetate Terrace Pores OpticalWaveguide Bismuth Sadowski PVAP3HT membrane BiFeO3 Cobalt PinpointPFM PhaseImaging mechanical_property epitaxy Multiferroic_materials Optoelectronic mono_layer strontiu_titanate BariumTitanate MfmAmplitude layers 2dMaterials self-assembly