@article {Benhelal2005, title = {First-principles calculations of the structural, electronic and optical properties of IIA-IV antifluorite compounds}, journal = {physica status solidi (b)}, volume = {242}, year = {2005}, month = {Jan-08-2005}, pages = {2022 - 2032}, issn = {0370-1972}, doi = {10.1002/(ISSN)1521-395110.1002/pssb.v242:1010.1002/pssb.200540063}, url = {http://doi.wiley.com/10.1002/\%28ISSN\%291521-3951http://doi.wiley.com/10.1002/pssb.v242:10http://doi.wiley.com/10.1002/pssb.200540063}, author = {Benhelal, O. and Chahed, A. and Laksari, S. and Abbar, B. and Bouhafs, B. and Aourag, H.} }