HighAcpectRatio Sio2 semifluorinated_alkane Non-ContactMode Wang Morphology Sapphire piezoelectric force microscopy Sadowski PatternedSapphireSubstrat FrictionalForce SurfaceOxidation STM Typhimurium Patterns Zhi TemperatureControllerAFM Graphene Tape Boundary aluminum_nitride MLCC Semiconductor nanobar Ptfe Polypropylene Display Thermoplastic_polyurethane Vortex FloppyDisk YttriaStabilizedZirconia Composite OpticalWaveguides Praseodymium MoS2