A DFT study on the electronic and magnetic properties of triangular graphene antidot lattices Zahra Talebi Esfahani, Alireza Saffarzadeh and Ahmad Akhound Eur. Phys. J. B, 91 12 (2018) 308 Published online: 05 December 2018 DOI: 10.1140/epjb/e2018-90517-6