2013 Fiscal Year Final Research Report
Development of supramolecular magnetic materials based on hetero-spin systems and soft materials
| Project/Area Number |
22350059
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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 |
Functional materials chemistry
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| Research Institution | The University of Electro-Communications |
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Principal Investigator |
ISHIDA Takayuki 電気通信大学, 情報理工学(系)研究科, 教授 (00232306)
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| Project Period (FY) |
2010-04-01 – 2014-03-31
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| Keywords | 分子性磁性体 / 集積型金属作体 / 超分子科学 / 単分子磁石 / 高スピン分子 / 相転移 |
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| Research Abstract |
(1) Thermochromic organic magnetic materials: A series of ground triplet compounds showed successive structural phase transitions, and each phase was characterized to be S = 0, 1/2, or 1 spin state.
(2) Paramagnetic host-guest compounds: Biradical host compounds were synthesized. The ground spin state was switched between the S = 0 and 1 states on adding or removing diamagnetic guest ions.
(3) Radical-coordinated lanthanide complexes: 4f-3d and 4f-2p Hetero-spin systems are prepared, and the exchange coupling among the hetero-spins were precisely determined.
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[Journal Article] Multifunctional π-Expanded Macrocyclic Oligothiophene 6-Mers and Related Macrocyclic Oligomers2014
Author(s)
M. Iyoda, K. Tanaka, H. Shimizu, M. Hasegawa, T. Nishiuchi, S. Sugibayashi, T. Nishinaga, Y. Kunugi, T. Ishida, H. Otani, H. Sato, K. Inukai, K. Tahara, and Y. Tobe
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Journal Title
J. Am. Chem. Soc.
Volume: 136
Pages: 2389-2396
DOI
Peer Reviewed
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[Journal Article] Syntheses, Structures, and Magnetic Properties of Acetato- and Diphenolato-Bridged 3d-4f Binuclear Complexes [M(3-MeOsaltn)(MOH) x (ac)Ln(hfac)_2 ] (M = Zn^II, Cu^II, Ni^II, Co^II; Ln = La^III, Gd^III, Tb^III, Dy^III; 3-MeOsaltn = N,N'-Bis(3-methoxy-2-oxybenzylidene)-1,3-prop anediaminato; ac = Acetato; hfac - = Hexafluoroacetylacetonato; x = 0 or 1)2013
Author(s)
M. Towatari, K. Nishi, T. Fujinami, N. Matsumoto, Y. Sunatsuki, M. Kojima, N. Mochida, T. Ishida, N. Re, and J. Mrozinski
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Journal Title
Inorg. Chem.
Volume: 52
Pages: 6160-6178
DOI
Peer Reviewed
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[Journal Article] Carbonate-Bridged Ni^II_2 Ln^III_2 (Ln^III = Gd^III , Tb^III , Dy^III) Complexes Generated by Atmospheric CO_2 Fixation and Their Single-Molecule-Magnet Behavior : [(μ -CO_3)_2 {Ni^II (3-MeOsaltn)(MeOH or H_2 O)Ln^III (NO_3)}_2 ]・solvent (3-MeOsaltn = N,N'-Bis(3-methoxy-2-oxybenzylidene)-1,3-prop anediaminato)2013
Author(s)
S. Sakamoto, T. Fujinami, K. Nishi, N. Matsumoto, N. Mochida, T. Ishida, Y. Sunatsuki, and N. Re
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Journal Title
Inorg. Chem.
Volume: 52
Pages: 7218-7229
DOI
Peer Reviewed
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[Journal Article] Synthesis, Structure, Luminescent and Magnetic Properties of Carbonato-Bridged Zn^II_2 Ln^III_2 Complexes [(μ -CO_3)_2 {Zn^IIL^nLn^III(NO_3)}_2 ] (Ln^III= Gd^III , Tb^III, Dy^III ; L^1 = N,N'-Bis(3-methoxy-2-oxybenzylidene)-1,3-prop anediaminato, L^2 = N,N'-Bis(3-ethoxy-2-oxybenzylidene)-1,3-propa nediaminato)2013
Author(s)
K. Ehama, Y. Ohmichi, S. Sakamoto, T. Fujinami, N. Matsumoto, N. Mochida, T. Ishida, Y. Sunatsuki, M. Tsuchimoto, and N. Re
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Journal Title
Inorg. Chem.
Volume: 52
Pages: 12828-12841
DOI
Peer Reviewed
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[Journal Article] Chemical Trend of 4f-3d Exchange Couplings in Heterometallic Complexes with Ln = Gd, Td, Dy, Ho, Er and M = Cu, V2011
Author(s)
R. Watanabe, K. Fujiwara, A. Okazawa, G. Tanaka, S. Yoshii, H. Nojiri, and T. Ishida
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Journal Title
Chem. Commun.
Volume: 47
Pages: 2110-2112
DOI
Peer Reviewed
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[Journal Article] Synthesis, Structure, Luminescence, and Magnetic Properties of a Single Ion Magnet, 'mer'-[Tris(N-[(imidazol-4-yl)-methylidene]-DL -phenylalaninato)terbium(III) and Related DL-Alaninato Derivative
Author(s)
S. Yamauchi, T. Fujinami, N. Matsumoto, N. Mochida, T. Ishida, Y. Sunatsuki, M. Watanabe, M. Tsuchimoto, C. Coletti, and N. Re
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Journal Title
Inorg. Chem
Volume: (In press)
DOI
Peer Reviewed
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[Presentation] Heterospin 4f-3d and 4f-2p Magnets2012
Author(s)
T. Ishida, R. Murakami, T. Kanetomo, T. Shimada, S. Yoshii, and H. Nojiri
Organizer
The Fujihara Seminar - Frontier and Perspectives in Molecule-Based Quantum Magnets
Place of Presentation
Sendai
Year and Date
20120508-10
Invited
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