2011 Fiscal Year Final Research Report
Transport, thermal conductivity, electric conductivity and superconductivity in materials with having regulated nano spaces
| Project Area | New Materials Science Using Regulated Nano Spaces －Strategy in Ubiquitous Elements |
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| Project/Area Number |
19051001
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| Research Category |
Grant-in-Aid for Scientific Research on Priority Areas
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| Allocation Type | Single-year Grants |
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| Review Section |
Science and Engineering
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| Research Institution | Tohoku University |
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Principal Investigator |
TANIGAKI Katsumi 東北大学, 原子分子材料科学高等研究機構, 教授 (60305612)
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| Co-Investigator(Kenkyū-buntansha) |
TOYOTA Naoki 東北大学, 大学院・理学研究科, 教授 (50124607)
MATSUI Hiroshi 東北大学, 大学院・理学研究科, 准教授 (30275292)
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| Project Period (FY) |
2007 – 2011
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| Keywords | 伝導 / 熱伝導 / 電気伝導 / 超伝導 / 配列ナノ空間物質 |
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| Research Abstract |
The research project titled by transport, thermal conductivity, electric conductivity and superconductivity in materials with having regulated nano spaces has been performed from 2007 to 2011 as one of the target researches in Priority Research area of MEXT titled by "New Materials Science in Materials with Having regulated Nano Spaces: Strategy on Ubiquitous Elements. Nano materials with having nano spaces inside are studied in connection to the present status and the future prospect. Specific features of such a family of nano materials are categorized and some of the important issues are discussed in more detail by showing experimental examples. Atoms and molecules confined inside the nano spaces are focused from the viewpoint of anharmonicoscillations or energy non-dissipative isolation from outside. Glass-like low thermal conductivity and superconductivity appearing in this system are discussed on a basis of phonons.
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[Journal Article] Quantitative relation between structure and thermal conductivity in type-I clathrates X8Ga16Ge30(X = Sr, Ba) based on electrostatic-potential analysis2012
Author(s)
Akihiko Fujiwara, Kunihisa Sugimoto, Che-Hsiu Shih, Hiroshi Tanaka, Jun Tang, Yoichi Tanabe, Jingtao Xu, Satoshi Heguri, Katsumi Tanigaki, Masaki Takata
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Journal Title
Phys. Rev. B
Volume: 85
Pages: 144305
DOI
Peer Reviewed
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[Journal Article] Rotational Sub-level of Ortho-Hydrogen Molecule Encapsulated in Isotropic C60 Fullerene Cages2009
Author(s)
Yoshimitsu Kohama, Takeshi Rachi, Ju Jing, Zhaofei Li, Jun Tang, Ryotaro Kumashiro, Satoru Izumisawa, Hitoshi Kawaji, Tooru Atake, Hiroshi Sawa, Yasujiro Murata, Koichi Komatsu, and Katsumi Tanigaki
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Journal Title
Phys. Rev. Lett
Volume: 103
Pages: 073001
DOI
Peer Reviewed
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