BTO PrCurve Boundary self-assembled_monolayer Hafnium_dioxide FM-KPFM Polydimethylsiloxane TungstenDeposition CuSubstrate Lift Layer Copolymer PUR HOPG Alkane MolybdenumDisulfide Vortex HanyangUniv StainlessSteel biocompatible mono_layer ThermalProperties Ni-FeAlloy Temasek_Lab Ito HydroGel Foil CrAu Mechanical&nanotechnology Gold PinpointNanomechanicalMode SThM Dental Piezoelectric NTU