FAPbI3 MagneticArray Magnetic chemical_compound WS2 PolyStylene Kevlar Chrome SingleLayer SetpointMode 2dMaterials FrequencyModulation LithiumNiobate SurfaceChange GlassTemperature Vacuum FloppyDisk Co/Cr/Pt HexagonalBoronNitride PinpointPFM Lattice CuFoil Formamidinium_lead_iodide nanomechanical IndiumTinOxide Bio HBN mfm_amplitude Chemical_Vapor_Deposition Polystyrene DataStorage amplitude_modulation cooling dielectric trench Reading