Fig. 5 | Scientific Reports

Fig. 5

From: Graphene-infused terracotta acoustic sound amplifiers

Fig. 5

Scanning Electron Microscope (SEM) images comparing (a) a normal terracotta mobile amplifier and (b) a graphene-incorporated terracotta mobile amplifier. These images reveal the microstructural differences between the two amplifiers due to the incorporation of graphene dispersion within the terracotta matrix.

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