Chungnam_National_University Jason Roughness C36H74 TipBiasMode NUS Yeditepe_University Aluminium_Oxide Optical FrictionForce Techcomp GlassTemp StyreneBeads IndiumTinOxide Silicon Chrome Change AtomicSteps Current PECurve self_healing contact molecular_beam domain_switching ChemicalCompound P3HT Varistor LightEmission NCM\ SiliconeOxide MetalCompound AmplitudeModulation PinpointNanomechanicalMode fluoroaalkane silicon_oxide