Thermoelectric Properties of Group 13 Elements-Triple Filled Skutterudites : Nominal In[x]Ga₀.₀₂Tl₀.₂₀Co₄Sb₁₂
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- Li Guanghe
- Graduate School of Engineering, Osaka University
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- Kurosaki Ken
- Graduate School of Engineering, Osaka University
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- Ohishi Yuji
- Graduate School of Engineering, Osaka University
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- Muta Hiroaki
- Graduate School of Engineering, Osaka University
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- Yamanaka Shinsuke
- Graduate School of Engineering, Osaka University Research Institute of Nuclear Engineering, University of Fukui
書誌事項
- タイトル別名
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- Thermoelectric Properties of Group 13 Elements-Triple Filled Skutterudites: Nominal In<i><sub>x</sub></i>Ga<sub>0.02</sub>Tl<sub>0.20</sub>Co<sub>4</sub>Sb<sub>12</sub>
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The high-temperature thermoelectric (TE) properties of group 13 elements (Ga, In, and Tl) triple-filled skutterudites in the nominal compositions of InxGa0.02Tl0.20Co4Sb12 (0 ≤ x ≤ 0.30) were investigated. All samples contained impurity phases in addition to the skutterudite matrix phase, i.e. some of the filler elements added to CoSb3 precipitated as the metal state and antimonides. With increase the starting amount of In, the actual content of In increases while that of Tl decreases. Owing to phonon scattering by rattling of the group 13 elements, low lattice thermal conductivity was achieved, leading to relatively high TE figure of merit (ZT) for all samples. The maximum ZT value was 0.72 at 773 K obtained for the sample in the nominal composition of In0.30Ga0.02Tl0.20Co4Sb12.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 55 (8), 1232-1236, 2014
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679230433280
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- NII論文ID
- 130004825200
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- NII書誌ID
- AA1151294X
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 025617162
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
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- KAKEN
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- 使用不可