Effect of strain on band engineering in gapped graphene Hasna Chnafa, Miloud Mekkaoui, Ahmed Jellal and Abdelhadi Bahaoui Eur. Phys. J. B, 94 1 (2021) 39 Published online: 28 January 2021 DOI: 10.1140/epjb/s10051-021-00049-3