BiasMode nanomechanical Leakage ring shape MechanicalProperties OpticalWaveguides Ito Lanthanum_aluminate HACrystal SSRM Global_Comm GaP WS2 NanoLithography atomic_steps UnivOfMaryland OrganicCompound BismuthVanadate SThM neodymium_magnets VortexCore ConductiveAFM BiVO4 Austenite CeramicCapacitor Calcite FrictionForce ScanningKelvinProbeMicroscopy AM-KPFM Ca10(PO4)6(OH)2 Hole Defect Trench TemperatureControllerAFM alkanes