Fabrication and Enhanced Thermoelectric Properties of Alumina Nanoparticle-Dispersed Bi_0.5Sb_1.5Te₃ Matrix Composites

Figure 2

(a) FE-SEM image of fracture surface of the sintered Al₂O₃/BST composite, (b) TEM image of Al₂O₃/BST composite, (c) schematic illustration of the microstructure of the composite, and (d) XRD patterns of the composites compared with pure BST material.

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