fifber ShenYang 2d_materials FrictionForce frequency_modulation Cell temp CP-AFM Fiber Electrode AmplitudeModulation Annealing Defect SelfAssembly Reading Device Dr.JurekSadowski Graphene Lateral NTU Oxidation aluminum_nitride Spain MagneticPhase Granada Gallium mechanical_property Ferroelectric semifluorinated alkane Calcium Praseodymium ScanningSpreadingResistanceMicroscopy exfoliate IcelandSpar ito_film