2012 Fiscal Year Final Research Report
Synthetic Study on New Metal Complexes for Molecular Magnetism Basedon Magnetic Anisotropies
| Project/Area Number |
22550066
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Inorganic chemistry
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| Research Institution | Kwansei Gakuin University |
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Principal Investigator |
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| Project Period (FY) |
2010 – 2012
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| Keywords | 金属錯体 / 磁性 / 自己組織化 / 超分子化学 / 分子性固体 |
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| Research Abstract |
By the use of various organic ligands, new mononuclear, dinuclear, oligonuclear, and polynuclear metal complexes of the first and second transition metals such as copper, nickel, manganese, iron, cobalt, ruthenium, molybdenum, and rhodium were synthesized, and their magnetic properties were investigated to observe the magnetic anisotropy effect. In cobalt systems, polarized neutron diffraction method was applied for dinuclear complex to elucidate the anisotropic effect on the magnetic properties. In nickel systems, heptanuclear nickel complex showed a single-molecule-magnet behavior, while hexanuclear nickel complex showed a ferromagnetic behavior. In dinuclear ruthenium systems containing metal-metal bonding, a ferromagnetic compound with Curie temperature of 50 K was found. Fastener effect on magnetic properties as well as liquid-crystalline property were observed by introduction of long alkyl chains. In one-dimensional chain compounds of rhodium and molybdenum, adsorption properties were examined for nitrogen gas as well as magnetic properties and the correlation with the crystal structures were investigated. Dinuclear lanthanide compounds were also synthesized and the magnetic properties were described by the J quantum numbers,approximately.
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[Journal Article] Coordination versatility of tridentate pyridyl aroylhydrazones towards iron: tracking downthe elusive aroylhydrazono-based ferric spin-crossover molecular materials2012
Author(s)
Musa S. Shongwe, Sumaiya H. Al-Rahbi,Mariam A. Al-Azani, Abdualaziz A. Al-Muharbi, Faizah Al-Mjeni, Dariusz Matoga, Abbasher Gismelseed, Imaddin A. Al-Omari, Ali Yousif, Harry Adams, Michael J. Morris, and Masahiro Mikuriya
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Journal Title
DaltonTrans.
Volume: 41
Pages: 2500-2514
Peer Reviewed
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[Journal Article] Crystal Structures, and Adsorption Properties of Chain Complexes of Rhodium(II) Pivalate with N,N'-bidentate ligands2011
Author(s)
Masahiro Mikuriya, Junya Yamamoto,Daisuke Yoshioka, Hidekazu Tanaka, and Makoto Handa, Synthesis
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Journal Title
New Trends in Coordination, Bioinorganic and Applied Inorganic Chemistry, ed. by M. Melnik, P. Segla, and M. Tatarko, Slovak University of Technology Press, Bratislava
Pages: 311-319
Peer Reviewed
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[Journal Article] Assembled Complexes of Lantern-type Rhodium(II) Dimers with Formamidinato Ligands2011
Author(s)
Makoto Handa, Takahisa Ikeue, AyakoSanaka, Takayuki Nakai, Hidekazu Tanaka, Daisuke Yoshioka, and Masahiro Mikuriya
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Journal Title
New Trends in Coordination, Bioinorganic and Applied Inorganic Chemistry, ed. by M. Melnik, P. Segla, and M. Tatarko, Slovak University of TechnologyPress, Bratislava
Pages: 133-139
Peer Reviewed
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[Presentation] Albert Hammerschmied, Local magnetic anisotropy in molecular paramagnets as seen by polarised neutron diffraction2011
Author(s)
Beatrice Gillon, Rodrique Lescouezec, Alexandrine Flambard, Miguel Julve, Dominique Luneau, Ana Borta, Hiroshi Sakiyama, Masahiro Mikuriya, Jamie Manson, John Schlueter
Organizer
3^<rd> European Conference on Molecular Magnetism
Place of Presentation
Paris, France
Year and Date
2011-11-22
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[Presentation] SYNTHESIS, CRYSTAL STRUCTURE, AND MAGNETIC PROPERTY OF HEXADECANUCLEAR MANGANESE COMPLEX WITH1,3-DIAMINO-2-HYDROXYPROPANE-N,N,N',N'-TETRAACETIC ACID2011
Author(s)
Satoshi Kurahashi, Nobuyuki Nagao, Daisuke Yoshiioka, and Masahiro Mikuriya
Organizer
XXIII. International Conference on Coordination and Bioinorganic Chemistry
Place of Presentation
Smolenice, Slovakia
Year and Date
2011-06-09
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[Presentation] Electron density study of a dinuclear cobalt(II) complex2010
Author(s)
Maxime Deutsch, Nicolas Claiser, Mohamed Souhassou, Beatrice Gillon, Ana Borta, Dominique Luneau, Arsen Gukasov, Erwann Jeanneau, Yurii Chumakov, Hiroshi Sakiyama, Masahiro Mikuriya
Organizer
IVth International Conference on Molecular Materials MOLMAT 2010
Place of Presentation
Montpellier, France
Year and Date
2010-07-06
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[Presentation] Crystal Structures, and Adsorption Properties of Chain Complexes of Rhodium(II) Acetate and Rhodium(II) Benzoate with N,N'-Bidentate Ligands2010
Author(s)
Masahiro Mikuriya, Junya Yamamoto, Kazuya Ouchi, Yasutaka Nakanishi, Daisuke Yoshioka, Hidekazu Tanaka, and Makoto Handa, Synthesis
Organizer
IVth International Conference on Molecular Materials MOLMAT 2010
Place of Presentation
Montpellier, France
Year and Date
2010-07-06
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