OpticalWaveguide IIT-chennai ElectrostaticForceMicroscopy CaMnO3 Etch OxideLayer Chemical_Vapor_Deposition FloppyDisk Composite AM_SKPM BlockCopolymer mechanical_property AtomicLayer Current Graphite HexagonalBN Polytetrafluoroethylene Growth Edwin oxide_layer Reading Thermoplastic_polyurethane align SurfaceChange HDD Resistance Blend TCS single_layer BTO Dimethicone NTU MonoLayer Magnetic Force Microscopy Optical