Fig. 1 | Nature Communications

Fig. 1

From: Divalent europium-doped near-infrared-emitting phosphor for light-emitting diodes

Fig. 1

XRD patterns and crystal/local structure descriptions of K3LuSi2O7:Eu. a Simulated and measured XRD patterns of K3LuSi2O7 and K3LuSi2O7:xEu2+ (x = 0.01–0.05). b Rietveld refinement and c crystal structure of K3LuSi2O7. d Cell volume V(x) dependence of the Eu doping concentration (x = 0, 0.01, 0.02, 0.04). Small nonlinear trend can be associated with K → Eu replacement except for Lu → Eu substitution. e Dependence of the average bond length of Lu, K1, and K2 in K3LuSi2O7:xEu2+ (x = 0, 0.01, 0.02, 0.04)

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