Beryllium nitride (Be3N2) graphene like monolayer and zigzag single walled nanotubes. A DFT exploration of their structural and vibrational propertiesK. Nehdi, T. Larbi, R. Masri, B. Souissi, K. Doll and M. AmloukEur. Phys. J. Plus, 138 7 (2023) 631DOI: https://doi.org/10.1140/epjp/s13360-023-04264-y