OpticalModulator Yeditepe SiliconeOxide Implant Materials H-BN BoronNitride F14H20 epitaxy Resistance AIN HexagonalBN Hole LithiumNiobate LifeScience MetalCompound Phthalocyanine vertical_PFM polymeric_arrays SFAs Composite Biofilm Growing Collagen Protein Topography PUR TemperatureControllerStage GaP ConductingPolymer CeNSE_IISc organic_polymer PiezoelectricForceMicroscopy AtomicSteps Switching