Ram PolyvinylideneFluoride Hexylthiophene mechanical_property Nickel Fiber optoelectronics MagneticForce NanoLithography MultiferroicMaterials Moire TransitionMetal molecular_self_assembly Butterfly Polyurethane medical PtfeMembrane Roughness ScanningIon-ConductanceMicroscopy Dopped Phase TungstenDeposition TempControl Granada Logo MolecularSelfAssembly Ucl Potential FM-KPFM HighAspect cannabinoid OpticalWaveguide NUSNNI ImideMonomer self-assembly