Characterizing superlattice topologies via fifth M-Zagreb polynomials and structural indices Hani Shaker, Sabeen Javaid, Usman Babar, Muhammad Kamran Siddiqui and Asim Naseem Eur. Phys. J. Plus, 138 11 (2023) 1025 Published online: 17 November 2023 DOI: 10.1140/epjp/s13360-023-04645-3