Single-Phase Silicate Phosphors (Ba_1.3Ca_0.7−xSiO₄:xDy³⁺) Doped with Dysprosium for White Solid-State Lighting

Table 1

Crystallite size () of the silicate phosphors, Ba_1.3Ca_0.7−xSiO₄:xDy³⁺ (x = 0.00, 0.01, 0.02, 0.03, 0.04, and 0.05), as a function of Dy³⁺ doping concentration.

Ba1.3Ca0.7−xSiO4:xDy^3+	(radians)	(°)	(nm)	d-spacing (nm)
x = 0.00	0.00366	15.35	29.4	0.2910
x = 0.01	0.00383	15.47	36.8	0.2889
x = 0.02	0.00358	15.49	36.8	0.2885
x = 0.03	0.00520	15.45	24.5	0.2892
x = 0.04	0.00366	15.55	36.8	0.2874
x = 0.05	0.00400	15.40	29.4	0.2902

The parameter is the FWHM at the diffraction angle .