Performance Study of a Graphene Circular Patch Antenna for 6G Applications in the Terahertz Ultra-Wideband SpectrumAbdeddaim Rguibi, Asmaa Zugari and Abderahman TribakEPJ Web Conf., 380 (2026) 01002DOI: https://doi.org/10.1051/epjconf/202638001002