Development of Dielectric Materials with Porous Crystals
Project/Area Number |
25810054
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Multi-year Fund |
Research Field |
Functional solid state chemistry
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Research Institution | Nihon University |
Principal Investigator |
ZHOU Biao 日本大学, 文理学部, 准教授 (80434067)
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Project Period (FY) |
2013-04-01 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2015: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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Keywords | 誘電特性 / ポーラス結晶 / 構造相転移 / 分子運動の自由度 / 誘電性 / 分子動力学 / 磁性 / 水熱合成法 / マルチ機能物質 |
Outline of Final Research Achievements |
The dielectric properties of the 1D water clusters confined in the porous crystal, [Co3(2,4-pydc)2(μ3-OH)2](9H2O), were examined. The dielectric constant decreased abruptly below 200 K, where a structural phase transition occurred as a result of the freezing of thermal motion of the guest water molecules at 200 K. The dielectric constant increased sharply above 300 K, and a hysteresis loop observed at 340 K indicated the antiferroelectric state of the guest water system. In addition, the honeycomb-type porous crystal [La(OX)1.5(H2O)3](2.5H2O) exhibited a structural phase transition accompanied by the freezing of the thermal motion of water molecules in the layers, and the dielectric anomalies were observed at 120 K and 250 K, correspondingly.
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Report
(4 results)
Research Products
(37 results)
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[Journal Article] Vortex Dynamics and Diamagnetic Torque Signals in Two Dimensional Organic Superconductor λ-(BETS)2GaCl42015
Author(s)
S. Uji, K. Kodama, K. Sugii, T. Terashima, T. Yamaguchi, N. Kurita, S. Tsuchiya, T. Konoike, M. Kimata, A. Kobayashi, B. Zhou, and H. Kobayashi
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Journal Title
J. Phys. Soc. Jpn.
Volume: 84
Issue: 10
Pages: 104709-104709
DOI
NAID
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Improved chemical synthesis, X-ray crystallographic analysis, and NMR characterization of (22R)-/(22S)-hydroxy epimers of bile adics.2014
Author(s)
Omura, K.; Ohsaki, A.; Zhou, B.; Kushida, M.; Mitsuma, T.; Kobayashi, A.; Hagey, L. R.; Hofmann, A. F.; Iida,T.
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Journal Title
Lipid
Volume: 49
Issue: 11
Pages: 1169-1180
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Orbital Effect on FFLO Phase and Energy Dissipation due to Vortex Dynamics in Magnetic-Field-Induced Superconductor λ-(BETS)_2FeCl_42013
Author(s)
S . Uji, K. Kodama, K.Sugii, T. Terashima, T. Yamaguchi, N. Kurita, S. Tsuchiya, M. Kimata, T. Konoike, A. Kobayashi, B. Zhou, H. Kobayashi
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Journal Title
J. Phys. Soc. Jpn
Volume: 82
Issue: 3
Pages: 34715-34715
DOI
Related Report
Peer Reviewed
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[Journal Article] An efficient synthesis of 7alpha,12alpha-dihydroxy-4-cholesten-3-one and its biological precursor 7alpha-hydroxy-4-cholesten-3-one: Key intermediates in bile acid biosynthesis.2013
Author(s)
Ogawa S., Zhou B., Kimoto Y., Omura K., Kobayashi A., Higashi T., Mitamura K., Ikegawa S., Hagey L. R., Hofmann A. F., Iida T.
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Journal Title
Steroids
Volume: 78
Issue: 9
Pages: 927-937
DOI
Related Report
Peer Reviewed
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[Journal Article] Clostridium scindens: a human gut microbe with a high potential to convert glucocorticoids into androgens.2013
Author(s)
Ridlon J. M., Ikegawa S., Alves J. M., Zhou B., Kobayashi A., Iida T., Mitamura K., Tanabe G., Serrano M., De Guzman A., Cooper P., Buck G. A., Hylemon P. B.
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Journal Title
J.Lipid. Res.
Volume: 54
Issue: 9
Pages: 2437-2449
DOI
Related Report
Peer Reviewed
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[Presentation] Magnetocaloric effect in antiferromagnetic insulating phase of λ-(BETS)2FeCl42015
Author(s)
S. Sugiura, K. Shimada, N. Tajima, K. Kajita, Y. Nishio, T. Isono, T. Terashima, R. Kato, B. Zhou, A. Kobayashi, S. Uji
Organizer
The 11th International Symposium on Crystalline Organic Metals Superconductors and Ferromagnets
Place of Presentation
Bad Gögging, Germany
Year and Date
2015-09-06
Related Report
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[Presentation] 単一分子性金属の開発2014
Author(s)
周彪
Organizer
錯体化学若手の会平成26年度関東支部後期勉強会
Place of Presentation
お茶の水女子大学、東京
Year and Date
2014-12-06
Related Report
Invited
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[Presentation] Is FFLO phase a Universal Feature in λ-(BETS)2FexGa1-xCl4?2013
Author(s)
Shinya Uji, Kota Kodama, Kaori Sugii, Taichi Terashima, Nobuyuki Kurita, Satoshi Tsuchiya Motoi Kimata, Takako Konoike, Biao Zhou, Hayao Kobayashi, Akiko Kobayashi
Organizer
The 10th International Symposium on Crystalline Organic Metals Superconductors and Ferromagnets (ISCOM2013)
Place of Presentation
Montreal, Canada
Related Report
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