Oxide molecule FrictionForce TemperatureControllerStage piezoelectric force microscopy Reduction Melt Friction Display UnivMaryland ImideMonomer lift_mode NCM\ LDPE Austenite Thermoplastic_polyurethane Au111 Inorganic_Compound TiO2 LMF mfm_amplitude IndiumTinOxide hard_disk_media LiquidCrystal PolycrystallineFerroelectricBCZT SAM University_of_Regensburg NUS_Physics HydroGel Fiber Wang BTO MBE lithography Global_Comm