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Influence of Extrusion Temperature on the Thermoelectric Properties of p-Type Ag Added (Bi0.25Sb0.75)2Te3 Alloys Prepared by MA-PDS

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Abstract:

The direct extrusion process using the powder as raw materials was applied to prepare the thermoelectric materials. The mechanically alloyed powders of Ag added (Bi0.25Sb0.75)2Te3 were extruded by pulse discharge sintering method in the temperature range of 345°C ~ 425°C. High quality products were obtained by hot-extrusion method and their texture and thermoelectric properties were measured. The intensity of (110) plane increased with extrusion temperature up to 385°C and altered in the range of above 405°Cwhich coincided with the variation of power factor. The measured Power factor ranged from 3.5 ~ 4.0 × 10-3 W/K2·m. The figure of merit (Z) of the material extruded at 385°C was 3.1 × 10-3 /K, the highest value among the prepared materials.

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Periodical:

Key Engineering Materials (Volumes 336-338)

Pages:

846-849

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.336-338.846

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Online since:

April 2007

Authors:

Wang Kee Min, Chang Ho Lee, Yong Ho Park, Ik Min Park

Keywords:

Hot Extrusion, Mechanical Alloying (MA), Pulse Discharge Sintering, Thermoelectric Material

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] V.S. Zemskov, A.D. Belaya, U.S. Beluy, and G.N. Kozhemyakin : J. Crystal Growth Vol. 212 (2000), p.161.

DOI: 10.1016/s0022-0248(99)00587-4

Google Scholar

[2] D.B. Hyun, T.S. Oh, J.S. Hwang and J.D. Shim: Scr. Mater. Vol. 44 (2001), p.455.

Google Scholar

[3] R. Martin-Lopez, B. Lenoir, A. Dauscher, H. Scherrer and S. Scherrer: Solid State Comm. Vol. 108 (1998), p.285.

DOI: 10.1016/s0038-1098(98)00370-6

Google Scholar

[4] T.S. Oh, D.B. Hyun and N.V. Kolomoets: Scr. Mater. Vol. 42 (2000), p.849.

Google Scholar

[5] B. Aboulfarah, A. Mzerd, A. Giani, A. Boulouz, F. Pascal-Delannoy, A. Foucaran and A. Boyer: Mater. Chem. Phys. Vol. 62 (2000), p.179.

DOI: 10.1023/a:1006670327086

Google Scholar

[6] K. Park, J.H. Seo, D.C. Cho, B.H. Choi and C.H. Lee: Mater. Sci. Eng. B Vol. 88 (2002), p.103.

Google Scholar

[7] O. Yamashita, S. Tomiyoshi and K. Makita: J. Appl. Phys. Vol. 93 (2003), p.368.

Google Scholar

[8] M.C.C. Custodio and A.C. Hernandes: J. Cryst. Growth Vol. 205 (1999), p.523.

Google Scholar

[9] D. B. Hyun, J. S. Hwang, T. S. Oh, J. D. shim and N. V. kolomoets: J. Phys. Chem. Solids Vol. 59 (1998), p.1039.

Google Scholar

[10] D. Perrin, M. Chitroub, S. Scherrer and H. Scherrer: J. Phys. Chem. Solids Vol. 61 (2000), p.1687.

Google Scholar

[11] D. Vasilevskiy, A. Sami, J.M. Simard and R. Masut: J. Appl. Phys. Vol. 92 (2000), p.2610.

Google Scholar

[12] S. Miura, Y. Sato, K. Fukuda, K. Nishiimura and K. Ikeda: Mater. Sci. Eng. A Vol. 277 (2000), p.244.

Google Scholar

[13] F.K. Lotgering: J. Inorg. Nucl. Chem. Vol. 9 (1959), p.113.

Google Scholar