Materials SThM atomic_steps suspended_graphene align MechanicalProperties self-assembled_monolayer rubber temperature controller AFM SmalScan Butterfly CP-AFM Optoelectonics MagneticForceMicroscopy Defects ring shape GaN Copolymer Hexacontane Pattern Ceramic mechanical property non_contact atomic_layer Patterns HighAcpectRatio Blood Bio MfmAmplitude BloodCell Phase LiNbO3 Fluoride Sidewall OpticalWaveguides