Insulator 2d_materials polyvinyl acetate CVD Bismuth DLaTGS PolyStylene cannabinoid TiO2 Floppy Silver Bacteria HexagonalBoronNitride MESA structure BFO single_layer H-BN Regensburg FrequencyModulation LMF Kevlar Writing Gong Leakage HighAspect Inorganic_Compound DiffractiveOpticalElements Yeditepe #EC India PS_PVAC ScanningSpreadingResistanceMicroscopy rubber FAPbI3 FM_KPFM