Creation of dynamics based on the melting of charge-order in one-dimensional metal complexes
| Project/Area Number |
25810032
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Inorganic chemistry
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| Research Institution | Tohoku University |
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Principal Investigator |
TAKAISHI Shinya 東北大学, 理学(系)研究科(研究院), 准教授 (10396418)
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| Project Period (FY) |
2013-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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| Keywords | 一次元電子系 / MX錯体 / 平均原子価 / 相転移 / 金属錯体化学 / 一次元錯体 / 混合原子価 |
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| Outline of Final Research Achievements |
Our research purpose is to create charge dynamics based on the charge bistability in quasi-one-dimensional halogen bridged metal complexes. In this study, we have succeeded in synthesizing the novel bromo-bridged palladium complex [Pd(cptn)2Br]Br2 (cptn=1R-2R-diaminocyclopentane). We have shown to show that this complex shows phase separation phenomena over wide temperature range. We also succeeded in visualize local electronic state by using scanning tunneling microscope.
In addition, we synthesized new bromo-bridged palladium complex with new counterion. This complex showed phase transition between mexed-valence to averaged-valence state around room temperature. This is important when we use this complex as a photo switching optical materials.
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Report
(3 results)
Research Products
(42 results)
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[Journal Article] Excitation-Photon-Energy Selectivity of Photoconversions in Halogen-Bridged Pd-Chain Compounds: Mott Insulator to Metal or Charge-Density-Wave State2014
Author(s)
H. Matsuzaki, M. Iwata, T. Miyamoto, T. Terashige, K. Iwano, S. Takaishi, M. Takamura, S. Kumagai, M. Yamashita, R. Takahashi, Y. Wakabayashi, and H. Okamoto
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Journal Title
Phys. Rev. lett.
Volume: 113
Issue: 9
Pages: 096403-096403
DOI
Related Report
Peer Reviewed
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[Presentation] Mixed-valence to averaged-valence phase transition in quasi-one-dimensional bromo-bridged palladium complexes2015
Author(s)
Shinya Takaishi, Takefumi Yoshida, Shohei Kumagai, Masahiro Yamashita, Hiroshi Okamoto, Yuka, Hosomi, Shoji Yoshida, Hidemi Shigekawa, Hisaaki Tanaka, Shin-ichi Kuroda
Organizer
日本化学会第95春季年会
Place of Presentation
日本大学
Year and Date
2015-03-28
Related Report
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