High-Temperature Conductive Stability of ITO/Pt Bilayer-Film Electrode for Applications in High-Temperature SAW Devices

Figure 6

SEM images of the ITO/Pt film electrodes after annealing at 1000°C for (a) 0.5 h, (b) 1 h, (c) 1.5 h, (d) 2 h, (e) 2.5 h, (f) 3 h, (g) 3.5 h, and (h) 4 h.

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