Long lifetime and efficient emission from Er3+ ions coupled to Si nanoclusters in Si-rich SiO2 layers
Keywords: 78.30.Ly; 78.55.Qr; 78.66.Jg; 78.67.Bf; Si-rich silicon oxide; Erbium; Photoluminescence; Infrared absorption; Refractive index; Magnetron sputtering;