DataStorage mechanical_property NUS temperature controller AFM cannabis MagneticForceMicroscopy ForceVolumeImage HiVacuum align solar_cell Plug Led Sidewall Ucl small_scan LiftMode NTU Carbon AnodizedAluminumOxide Metal Force-distance ring shape AmplitudeModulation Mechinical F14H20 Molybdenum Al2O3 Phthalocyanine Ram Butterfly SolarCell Gong Silver SKKU Vortex