VerticalPFM Aggregated_molecules Scratch Thermal Hafnium_dioxide frequency_modulation Boundary Annealing AtomicSteps cross section GlassTemperature LifeScience Permalloy Mechanical&nanotechnology UTEM Pipette MolybdenumDisulfide dielectric_trench Kevlar Temasek_Lab Chemical_Vapor_Deposition MetalCompound 3-hexylthiophene CVD Tapping FastScan domain_switching mfm_amplitude medical IIT-chennai self_healing PVA GaP BiFeO3 PetruPoni_Institute