2011 Fiscal Year Final Research Report
Synthese and advanced features of new homologous layered carbides
| Project/Area Number |
21360322
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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 |
Inorganic materials/Physical properties
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| Research Institution | Nagoya Institute of Technology |
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Principal Investigator |
FUKUDA Koichiro 名古屋工業大学, 工学(系)研究科(研究院), 教授 (90189944)
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| Co-Investigator(Kenkyū-buntansha) |
HASHIMOTO Shinobu 名古屋工業大学, 工学(系)研究科(研究院), 准教授 (10242900)
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| Co-Investigator(Renkei-kenkyūsha) |
NAKANO Hiromi 豊橋技術科学大学, 研究基盤センター, 准教授 (00319500)
YOSHIDA Hideto 東京大学, 理学(系)研究科, (研究員)技術専門職員 (30376553)
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| Project Period (FY) |
2009 – 2011
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| Keywords | 結晶構造 / 組織制御 / 熱殿変換材料 / ホモロガス相 |
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| Research Abstract |
We have for the first time prepared new homologous layered carbides and oxycarbonitrides to determine their crystal structures by the combined use of X-ray diffractometry and transmission electron microscopy. Their general formulas are expressed by(MC)_1 T_<4m+ 3n> C_<3m+ 2n>(M=Zr, Y, Hf, T=Al, Si, Ge) and(Al, Si)_<41+ m>(0, C, N)_<31+ m>. The crystal structures of the former compounds are characterized by the alternative stacking of the electric conductive[MC] layer and the insulative[T_<4m+ 3n> C_<3m+ 2n>] layer. We have proposed the advanced method to design and expedite the synthesis of the new n-type thermoelectric conversion materials with extreme properties.
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[Journal Article] Oxide-Ion Conductivity of Highly cAxis Oriented Apatite-Type Lanthanum Silicate Polycrystal Formed by Reactive Diffusion between La2Si05 and La2Si2072011
Author(s)
K. Fukuda, T. Asaka, R. Hamaguchi, T. Suzuki, H. aka, A. Berghout, E. Bechade, 0. Mass on, . Julien, E. Champion, and P Thomas
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Journal Title
Chem. Mater
Volume: 23
Pages: 5474-5483
Peer Reviewed
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