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B 2 O 3 -doped ZnO–Bi 2 O 3 –Sb 2 O 3 -based varistors were fabricated by conventional ceramic technique. The microstructure and electrical properties were investigated by SEM, XRD and electrical measurements. With the addition of B 2 O 3 , the liquid-assisted sintering based on Bi 2 O 3 was improved, and the Bi 2...
In this study, n-type Bi-Te-Se crystals were prepared by the zone melting (ZM) method and bulk materials with high bending strength were fabricated by ZM followed by spark plasma sintering (SPS) technique. The annealing treatment was then carried out at 593 K with holding time of 36 hr for the sintered materials. Thermoelectric properties, including Seebeck coefficient (alpha), electrical conductivity...
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