gallium_nitride organic_polymer OpticalWaveguide Sic OxideLayer HardDisk EvatecAG FrequencyModulation PolyvinylAcetate Electical&Electronics Subhajjit C_AFM BismuthVanadate Carbon CuSubstrate self_healing Potential biocompatible Ananth Cell Lanthanum_aluminate HighResolution Ferrite NUS molecule WS2 Scanning_Thermal_Microscopy NUS_NNI_Nanocore ScanningThermalMicroscopy Al2O3 Pattern Conductivity Morphology TungstenDeposition neodymium_magnets