Vacuum PS_LDPE Nickel nanobar LifeScience Polytetrafluoroethylene block_copolymer Polyurethane CNT ShenYang STM plastic oxide_layer LiftHeight Moire Layer Scanning_Thermal_Microscopy Zhi Graphite Edwin domain_switching Fendb Ni-FeAlloy mechanical property ForceVolumeMapping Hexacontane Composite TappingMode PANI TyphimuriumBiofilm Mapping KevlarFiber doped DomainSwitching EFM