Non-random Be-to-Zn substitution in ZnBeSe alloys: Raman scattering and ab initio calculations O. Pagès, A. V. Postnikov, A. Chafi, D. Bormann, P. Simon, F. Glas, F. Firszt, W. Paszkowicz and E. Tournié Eur. Phys. J. B, 73 4 (2010) 461-469 Published online: 02 February 2010 DOI: 10.1140/epjb/e2010-00047-0