OpticalWaveguide Ni-FeAlloy atomic_steps conductive HexagonalBoronNitride HDD Aluminum layers Defect Mapping 3-hexylthiophene SAM Ni81Fe19 CuSubstrate MBE ThermalConductivity TemperatureControllerAFM Foil MfmPhase SrTiO3 StyreneBeads lift_mode INSPParis HardDisk Phenanthrene Deposition block_copolymer ScanningKelvinProbeMicroscopy ULCA Ferrite Chungnam_National_University China Scanning_Thermal_Microscopy Reading PANI