F14H20 Heat self-assembled_monolayer HumanHair RedBloodCell Singapore Adhesion CalciumHydroxyapatite IRDetector Nanopattern aluminum_nitride Piezoresponse pinpoint mode Electical&Electronics PetruPoni_Institute Optic Ni-FeAlloy Foil Led Subhajjit sputter Calcium hetero_structure Conductivity Gong flakes BismuthFerrite NUS MESA structure Electrode Ferroelectric Ram TemperatureControlledAFM HafniumDioxide OxideLayer