Conductivity Chungnam_National_University mfm_amplitude Phenanthrene Granada DentalProsthesis HexagonalBoronNitride Phosphide ThermalConductivity MagneticPhase vertical_PFM PS_PVAC flakes polyvinyl acetate Defects India Adhesion Electical&Electronics Friction Memory InLiquid NiFe AtomicSteps Pattern ShenYang ElectrostaticForceMicroscopy Temperature AdhesionEnergy FloppyDisk BFO Cobalt layers PrCurve NTU Nanostructure