Protein mechanical property non_contact CopperFoil Korea SSRM Formamidinium_lead_iodide InorganicCompound ThermalProperties Wonseok Photovoltaics Piranha Pzt thermal_conductivity ContactMode Dr.JurekSadowski Thermal Roughness C60H122 Barium_titanate NUS_Physics Sulfur PinpointNanomechanicalMode MultiferroicMaterials Indent NusEce temp Annealing Modulus Polymer Vacuum YttriaStabilizedZirconia WWafer ForceDistanceSpectroscopy Phosphide