CuParticle C60H122 thermal_conductivity CP-AFM Polyvinylidene graphene_hybrid Au111 GaAs self-assembled_monolayer 3-hexylthiophene NTU Singapore Temasek_Lab electrospinning WS2 TriGlycineSulphate BismuthFerrite Graphene FAPbI3 Grain aluminum_nitride atomic_steps Wang PolycrystallineFerroelectricBCZT Tin sulfide Phthalocyanine INSPParis Insulator Hafnium_dioxide NUS_Physics Edwin I-VSpectroscopy DataStorage VortexCore ScanningIon-ConductanceMicroscopy