Litho Wonseok Zhi Mechanical&nanotechnology BiasMode SFAs AnodizedAluminumOxide LeakageCurrent single_layer temp FM_SKPM Blend PiezoelectricForceMicroscopy Ananth phase_change Device StyreneBeads FFM BFO Copper epitaxy HOPG TipBiasMode hard_disk MolybdenumDisulfide STO CeNSE_IISc Lateral FrictionalForce Phosphide VinylAlcohol 2dMaterials Insulator Silicon Collagen