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Thermoelectric properties of (Bi,Pb)–Sr–Co–O oxide

Published online by Cambridge University Press:  31 January 2011

Woosuck Shin  and
Norimitsu Murayama
Woosuck Shin
Affiliation:
National Industrial Research Institute of Nagoya, Nagoya 462-8510, Japan
Norimitsu Murayama
Affiliation:
National Industrial Research Institute of Nagoya, Nagoya 462-8510, Japan
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Abstract

Electrical conductivity and thermopower of Bi2Sr3Co2Ox sintered bodies were first investigated in the temperature range 440–1060 K in air for high-temperature thermoelectric application. The samples fabricated by the sinter-forging method increased their bulk densities and electrical conductivity. The value of thermopower and the temperature dependence of electrical conductivity of the sinter-forged samples were close to that of the single crystal. Evaluating the thermal conductivity of the polycrystalline sample, we calculated a thermoelectric figure of merit Z to be 0.107 × 10−3 K−1 at 1060 K.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 2 , February 2000 , pp. 382 - 386
Copyright
Copyright © Materials Research Society 2000

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References

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