Effect of pulverising process on the luminescence properties of Sr2MgSi2O7:Eu2+, Dy3+ Ou Hai, Hongyi Jiang, Gaoyang Zhang, Dong Xu, Ming Li and Yahui Wang Eur. Phys. J. Appl. Phys., 71 3 (2015) 30503 Published online: 25 August 2015 DOI: 10.1051/epjap/2015150203