Structural and Thermoelectric Properties of Bi0.4Sb1.6Se3xTe3(1-X) Quaternary Compound

Arej Kadhim; Arshad Hmood; Abu Hassan Haslan

doi:10.4028/www.scientific.net/AMR.620.55

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 620Structural and Thermoelectric Properties of...

Structural and Thermoelectric Properties of Bi_0.4Sb_1.6Se_3xTe_3(1-X) Quaternary Compound

Abstract:

Novel hexagonal rods of Bi_0.4Sb_1.6Se_3xTe_3(1-x) (0.0x1.0) were synthesized successfully through solid-state microwave synthesis. These hexagonal rods were explored using field emission scanning electron microscopy images. The X-ray diffraction results indicate that the powders (0.0x0.8) can be indexed as the rhombohedral phase, whereas the sample with x=1.0 has an orthorhombic phase structure. The electrical conductivity gradually decreases as Se increased, resulting in an increase in the Seebeck coefficient. Ascribing to the increased Seebeck coefficient for the sample with x=0.8, the maximum power factor is 7.47 mW/mK² at 373 K.

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Periodical:

Advanced Materials Research (Volume 620)

Pages:

55-59

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.620.55

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Online since:

December 2012

Authors:

Arej Kadhim, Arshad Hmood, Abu Hassan Haslan

Keywords:

Crystal Structure, Defect, Electrical Properties, X-Ray Techniques

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