Synthesis and Structural Investigations of Ag-Added BaTiO_𝟑-CuO Mixed Oxide for CO_𝟐 Gas Sensing

Figure 8

SEM micrographs of BaTiO₃-CuO + x wt% Ag sensors sintered at 700°C, (a) 𝑥 = 0, (b) 𝑥 = 1, (c) 𝑥 = 1.5, and (d) 𝑥=2.

(a)

(b)

(c)

(d)