ShenYang Yeditepe NtuEee Solar MagneticForce piezoelectric force microscopy molecule SmallScan MBE hydrocarbon Phase ThermalProperties oxide_layer graphene_hybrid Bmp DLaTGS SSRM temperature controller AFM OpticalElement Annealed CuSubstrate Temperature Bacteria Morphology Conduct LiftHeight C_AFM Step Lattice Fujian Bacterium Array biocompatible PetruPoni Pores