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Thermoelectric Properties of Multinary-doped ZnO
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- Iwanoi Yuki
- Kyushu University
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- Ohtaki Michitaka
- Kyushu University
Bibliographic Information
- Other Title
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- 多元ドープしたZnO系酸化物の熱電特性
Description
Changes in the thermoelectric properties of multinary-doped ZnO were investigated particularly focusing on the thermal conductivity. Binary doping of ZnO with Al and Cu significantly reduced the thermal conductivity of the oxide, whereas the electrical conductivity was strongly deteriorated. Formation of CuAl2O4 spinel phase was suggested to be responsible for both enhanced phonon scattering and reduced carrier concentration. Ternary doping of ZnO with Al, Cu, and Ga resulted in high dimensionless figure-of-merit of ZT = 0.58 at 1238 K due to the reduced thermal conductivity and improved electrical conductivity.
Journal
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- Preprints of Annual Meeting of The Ceramic Society of Japan<br> Preprints of Fall Meeting of The Ceramic Society of Japan
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Preprints of Annual Meeting of The Ceramic Society of Japan<br> Preprints of Fall Meeting of The Ceramic Society of Japan 2011F (0), 134-134, 2011
The Ceramic Society of Japan
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Keywords
Details 詳細情報について
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- CRID
- 1390001205617715072
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- NII Article ID
- 130006975815
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed