Device C36H74 Typhimurium Morphology SingleLayer Au111 C_AFM CNT Oxide DomainSwitching NUS_NNI_Nanocore atomic_steps UTEM PolyvinylideneFluoride MonoLayer Memory PhaseImaging Polyvinylidene_fluoride MechanicalProperty Current hard_disk_media Lateral China CastIron Cell ItoGlass Growing Piezoelectric Conductance Vac Floppy Force-distance Fluoride Electical&Electronics polyvinyl acetate