Plasmonic characteristics of magnetized plasma–graphene-magnetized plasma–perfect magnetic conductor planar waveguidesM. Umair, Abdul Ghaffar, Majeed A.S. Alkanhal, Yasin Khan, M.U. Shahid and M. Amir AliJ. Eur. Opt. Society-Rapid Publ., 21 1 (2025) 28DOI: https://doi.org/10.1051/jeos/2025022