Figure 6From: Formation of Nb2O5 matrix and Vis-NIR absorption in Nb-Ge-O thin filmXRD pattern of powder-synthesized (Nb 2 O 5 ) 1− x -(GeO 2 ) x . Dots indicate Nb2O5 and circles indicate GeO2. Labels A through D indicate x = 0, 0.08, 0.15, and 0.18.Back to article page