Red emission of Eu(III) ions doped gadolinium or lanthanum tungstate entrapped in silica xerogel
Keywords: 78.30.Er; 81.05.Kf; 78.55.−m; 78.47.Fg; 76.30.Kg; 82.70.GgAmorphous metals; Metallic glasses; Optical spectroscopy; Luminescence; Non-linear optics; FT-IR measurements; Silica; Rare earths in glasses; Sol–gels (xerogels)