Optical properties and chemical composition analyses of mixed rare earth oxyorthosilicate (R2SiO5, R=La, Gd and Y) doped Dy3+ phosphors prepared by urea-assisted solution combustion method

Ogugua, Simon Nnalue, Department of Physics, University of the Free State, Bloemfontein, Free State, South Africa; Shaat, Samy Khalil Kamel, Department of Physics, Islamic University of Gaza, Gaza, Palestine; Swart, Hendrik C., Department of Physics, University of the Free State, Bloemfontein, Free State, South Africa; Ntwaeaborwa, Martin O., Department of Physics, University of the Free State, Bloemfontein, Free State, South Africa