P3HT Cross-section fe_nd_b membrane LateralForceMicroscopy CeNSE_IISc Leakage Optoelectronic Gold DIWafer SiWafer ShenYang Vortex FrictionalForceMicroscopy Floppy dielectric trench Ferrite heterojunctions Polarization AlkaneFilm BiasMode PiezoelectricForceMicroscopy PolymerBlend IndiumTinOxide Nanofiber hard_disk Ram Conductive AFM Beads Fe_film Multiferroic_materials Styrene Au111 CntFilm Defect