PVA ContactModeDots ito_film Ferroelectric Display Domain Carbon Nanostructure Boundary single_layer Mechanical CuSubstrate dielectric_trench Memory University_of_Regensburg HDD Boron ConductiveAFM SurfaceChange CeNSE_IISc StrontiumTitanate BariumTitanate non_contact multi_layer TungstenThinFilmDeposition PhaseChange SKKU Metal-organicComplex Tapping Friction chemical_compound Implant Zhi CalciumHydroxyapatite AM_KPFM