MetalCompound 2d_materials Fendb Implant VerticalPFM Silicon F14H20 Inorganic_Compound Tungsten_disulfide Electical&Electronics piezoelectric force microscopy UnivMaryland PS_LDPE Stiffness ReflexLens Zhi FrictionalForce SolarCell C36H74 NUS_Physics epitaxy HighAspect Reading Pipette amplitude_modulation Barium_titanate Thermoplastic_polyurethane Ito BlockCopolymer self-assembly Pyroelectric Polymer Zagreb PolyvinylAcetate atomic_steps