Ab initio lattice dynamics and piezoelectric properties of MgS and MgSe alkaline earth chalcogenidesS. Saib, N. Bouarissa, P. Rodríguez-Hernández and A. MuñozEur. Phys. J. B, 73 2 (2010) 185-193DOI: https://doi.org/10.1140/epjb/e2009-00426-6