Corrosion Yeditepe biocompatible Morphology PS_PVAC polyvinyl acetate Polystyrene ForceDistanceSpectroscopy NUSNNI PolymerBlend Zhi GaN ferromagnetic Singapore silicon_carbide CompactDisk PinpointNanomechanicalMode FrequencyModulation NUS_NNI_Nanocore SrTiO3 EPFL CalciumHydroxide Holes CHRYSALIS_INC Sperm Tin sulfide Dimethicone Insulator H-BN Polyvinylidene food LiIonBattery Styrene Switching self-assembled_monolayer