PolymerBlend SurfaceChange fe_nd_b pinpoint mode Tin sulfide NUSNNI PiezoelectricForceMicroscopy AIN Reading Filter Tin disulfide #Materials OxideLayer Sphere SrTiO3 FrictionalForce Epoxy polyvinyl acetate thermal_conductivity KevlarFiber Vacuum IIT-chennai FailureAnlaysis BloodCell NanoLithography AdhesionEnergy Silver ItoGlass SFAs Nanostructure Kevlar AdhesionForce semifluorinated_alkanes Mechinical thermoplastic_elastomers