self-assembly Molybdenum AtomicLayer BiFeO3 light_emission EFMAmplitude LogAmplifier StainlessSteel SICM LiquidCell LiftHeight chemical_compound MoirePattern Galfenol MagneticArray LiquidCrystal PetruPoni_Institute doped AtomicSteps Terrace Tape CeNSE_IISc strontiu_titanate atomic_steps mechanical property Gallium TungstenDeposition Titanate Jason EvatecAG Mechinical FrictionalForceMicroscopy NCM\ Multiferroic_materials CHRYSALIS_INC