Synthesis and spectral investigations of Mn(II) ions doped NaCaAlPO4F3 phosphorV. Pushpa Manjari, Ch. Rama Krishna, Sk. Muntaz Begum and R.V.S.S.N. RavikumarEur. Phys. J. Appl. Phys., 65 1 (2014) 10403DOI: https://doi.org/10.1051/epjap/2013130274