gallium_nitride DiffractiveOpticalElements Edwin mechanical property Vortex ForceVolumeMapping Liquid Conducting C_AFM medical molecule Formamidinium_lead_iodide Cobalt light_emitting Metal high_resolution Beads self_healing NTU Hexatriacontane Sadowski Typhimurium Alloy OpticalWaveguides SurfaceOxidation CompactDisk BCZT STO MESA structure Platinum bias_mode PinpointPFM Change Composite 2dMaterials