Development of Thermoelectric Materials using Weakly Bonded Rigid Heavy Clusters
| Project/Area Number |
19360286
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Physical properties of metals
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| Research Institution | The University of Tokyo |
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Principal Investigator |
KIMURA Kaoru The University of Tokyo, 大学院・新領域創成科学研究科, 教授 (30169924)
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| Co-Investigator(Kenkyū-buntansha) |
OKADA Junpei 東京大学, 大学院・工学系研究科, 助教 (90373282)
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| Project Period (FY) |
2007 – 2009
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| Project Status |
Completed (Fiscal Year 2009)
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| Budget Amount *help |
¥20,020,000 (Direct Cost: ¥15,400,000、Indirect Cost: ¥4,620,000)
Fiscal Year 2009: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2008: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Fiscal Year 2007: ¥8,840,000 (Direct Cost: ¥6,800,000、Indirect Cost: ¥2,040,000)
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| Keywords | 電子・電気材料 / 廃熱利用 / 熱電変換材料 / クラスター / 化学結合 / 準結晶 / アーク溶解 / 放電プラズマ焼結 / MEM / Reitveld法 / 元素置換 / 熱電材料 |
|---|
| Research Abstract |
In AlPdRe and AlPdMn quasicrystals, we improved the microstructure and substituted the constitution elements according to our new guiding principle of WBRHC (weakly bonded rigid heavy clusters). We succeeded that the dimensionless figure of merit, ZT, increases 2.6 times to 0,21 by the substitution of Fe for Re in the former and 1.4 times to the largest value of 0.26 for the quaqsicrystals by the substitution of Ga for Al in the latter. On the other hand, in Al_2Ru which has been considered to be a related material for the Al-based quasicrystals, we succeeded to improve ZT to be 0.5 by substituting heavier Ga for Al and decreasing the thermal conductivity.
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Report
(4 results)
Research Products
(46 results)
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[Presentation] 近似結晶 ZnSc 及び CdCa の陽電子寿命の比較2009
Author(s)
鹿川和哉, 関山裕貴, 北畑宏樹, 金沢育三, 高際良樹, 木村薫, 山田庸公, 田村隆治, 大平俊行, 大島永康, 鈴木良一
Organizer
日本金属学会2009年春期大会
Place of Presentation
東京
Year and Date
2009-03-28
Related Report
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[Presentation] 陽電子消滅法による AlReSi 近似結晶の空孔評価と電気物性2009
Author(s)
関山裕貴, 茂澄孝夫, 北畑宏樹, 鹿川和哉, 松下泰久, 金沢育三, 永田智啓, 高際良樹, 木村薫, 大平俊行, 大島永康, 鈴木良一
Organizer
日本物理学会第64回年次大会
Place of Presentation
東京
Year and Date
2009-03-27
Related Report
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[Presentation] Zn・Sc 近似結晶の陽電子寿命測定2008
Author(s)
茂澄孝夫, 北畑宏樹, 鹿川和哉, 金沢育三, 高際良樹, 木村薫, 山田庸公, 田村隆治, 大平俊行, 大島永康, 鈴木良一
Organizer
日本金属学会2008年秋期大会
Place of Presentation
熊本
Year and Date
2008-09-23
Related Report
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[Presentation] 陽電子消滅法による AlReSi 近似結晶の空孔評価と電気物性2008
Author(s)
関山裕貴, 茂澄孝夫, 北畑宏樹, 松下泰久, 金沢育三, 永田智啓, 高際良樹, 木村薫, 大平俊行, 大島永康, 鈴木良一
Organizer
日本物理学会2008年秋季大会
Place of Presentation
盛岡
Year and Date
2008-09-21
Related Report
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