Study on magnetism, optics, and quantum effects of chiral single chain magnets

• Project/Area Number: 19750039
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Inorganic chemistry
• Research Institution: University of Tsukuba
• Principal Investigator: SHIGA Takuya University of Tsukuba, 大学院・数理物質科学研究科, 助教 (00375411)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,730,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥330,000); Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2007: ¥2,300,000 (Direct Cost: ¥2,300,000)
• Keywords: 単一次元鎖磁石 / キラリティー / 非線形光学応答 / 量子効果 / 基底高スピン錯体 / シアン架橋多核錯体

Research Abstract

本研究ではキラル単一次元鎖磁石の磁気・光学・量子効果の観測を目的とし、キラル単一次元鎖磁石の合成法の確立と磁気的相互作用の制御を行った。キラルな単一次元鎖磁石およびM_6M'_4かご状強磁性クラスターを得、構造・磁性・光物性について調べた。キラル単一次元鎖磁石は有限鎖長効果を示すことが分かり、配位子変換によって異なる磁性を示す類縁体も合成できた。M_6M'_4かご状錯体は金属イオン変換によりCTISTを示す化合物が得られた。

Research Products

• [Journal Article] cis-Tach based pentadecadentate ligands as building blocks in the synthesis of Fe^<III> and Pd^<II> coordination clusters (2009)
  • Author(s): G. N. Newton, G. J. T. Cooper, D. Schuch, T. Shiga, S. Khanra, D.-L. Long, H. Oshio, L. Cronin
  • Journal Title: Dalton Trans. Pages: 1549-1553
  • Peer Reviewed
• [Journal Article] cis-Tach based pentadecadentate ligands as building blocks in the synthesis of Fe^<III> and Pd^<II> coordination clusters (2009)
  • Author(s): G.N. Newton, G.J.T. Cooper, D. Schuch, T. Shiga, S. Khanra, D.-L. Long, H. Oshio, L. Cronin
  • Journal Title: Dalton Trans Pages: 1549-1553
  • Peer Reviewed
• [Journal Article] Syntheses, structures, and magnetic properties of manganese-lanthanidehexanuclear complexes (2008)
  • Author(s): T. Shiga, N. Hoshino, M. Nakano, H. Nojiri, H. Oshio
  • Journal Title: Inorg. Chim. Acta 361 Pages: 4113-4117
  • Peer Reviewed
• [Journal Article] Spin Canting in a Cobalt(II) Radical Complex with an Acentric Counter Anion (CoverPicture) (2008)
  • Author(s): K. Mitsumoto, T. Shiga, M. Nakano, M. Nihei, H. Nishikawa, H. Oshio
  • Journal Title: Eur. J. Inorg. Chem. 31 Pages: 4851-4855
  • Peer Reviewed
• [Journal Article] Heptanuclear Nickel(II) Wheel with Eight Redox Active Ferrocenyl Groups (2008)
  • Author(s): K. Mitsumoto, M. Nihei, T. Shiga, H. Oshio
  • Journal Title: Chem. Lett. 37 Pages: 966-967
  • NAID: 10024282485
  • Peer Reviewed
• [Journal Article] Heptanuclear Nickel(II) Wheel with Eight Redox Active Ferrocenyl Groups (2008)
  • Author(s): K. Mitsumoto, M. Nihei, T. Shiga, H. Oshio
  • Journal Title: Chem. Lett 37 Pages: 966-967
  • NAID: 10024282485
  • Peer Reviewed
• [Journal Article] Spin Canting in a Cobalt(II) Radical Complex with an Acentric Counter Anion (2008)
  • Author(s): K. Mitsumoto, T. Shiga, M. Nakano, M. Nihei, H. Nishikawa, H. Oshio
  • Journal Title: Eur. J. Inorg. Chem 31 Pages: 4851-4855
  • Peer Reviewed
• [Journal Article] Syntheses, structures, and magnetic properties of manganese-lanthanide hexanuclear complexes (2008)
  • Author(s): T. Shiga, N. Hoshino, M. Nakano. H. Noiiri. H. Oshio
  • Journal Title: Inorg. Chim. Acta 361 Pages: 4113-4117
  • NAID: 120007137840
  • Peer Reviewed
• [Journal Article] Three-dimensional Ferromagnetic Frameworks of Syn-Anti-type Carboxylate-bridged Ni^<II> and Co^<II>I Coordination Polymers (2007)
  • Author(s): K. Yoneda, M. Ohba, T. Shiga, H. Oshio, S. Kitagawa
  • Journal Title: Chem. Lett. 9 Pages: 1184-1185
  • Peer Reviewed
• [Journal Article] Alkoxo-bridged Cobalt(II) Cube and Its Radical Adduct (2007)
  • Author(s): K. Mitsumoto, S. Koizumi, T. Shiga, H. Nishikawa, Y. Chi, H. Oshio
  • Journal Title: Chem. Lett. 9 Pages: 1154-1155
  • NAID: 10019845918
  • Peer Reviewed
• [Journal Article] A Wheel Single molecule Magnet of [Mn^<II>_3Mn^<III>_4] : Quantum Tunneling of Magnetization under Static and Pulse Magnetic Field (2007)
  • Author(s): S. Koizumi, M. Nihei, T. Shiga, M. Nakano, H. Nojiri, R. Bircher, O. Waldmann, H. U. Gudel, H. Oshio
  • Journal Title: Chem. Eur. J 13 Pages: 8445-8453
  • Peer Reviewed
• [Journal Article] Mn(III/IV) and Mn(III) Oxide Clusters Trapped by Copper(II) Complexes (2007)
  • Author(s): S. Yamashita, T. Shiga, M. Kurashina, M. Nihei, H. Nojiri, H. Sawa, T. Kakiuchi, H. Oshio
  • Journal Title: Inorg. Chem. 46 Pages: 3810-3812
  • Peer Reviewed
• [Journal Article] Syntheses, Structures and Magnetic Properties of Mixed-valence Pentanuclear [Mn^<II>_3Mn^<II>_<III>_2] and Hexanuclear [Co^<II>_4Co^<III>_2] Complexes Derived from 3-formylsalicylic acid (2007)
  • Author(s): T. Shiga, H. Oshio
  • Journal Title: Polyhedron 26 Pages: 1881-1884
• [Journal Article] Syntheses, Structures and Magnetic Properties of Mixed-valence Pentan uclear [Mn^<II>_3Mn^<III>_2] and Hexanuclear [Co^<II>_4Co^<III>_2] Complexes Derived from 3-formylsalicylic acid (2007)
  • Author(s): T. Shiga, H. Oshio
  • Journal Title: Polyhedron 26 Pages: 1881-1884
  • Peer Reviewed
• [Journal Article] Mn(III/IV)and Mn(III) Oxide Clusters Trapped by Copper (II) Complexes (2007)
  • Author(s): S. Yamashita, T. Shiga, M. Kurashina, M. Nihei, H. Nojiri, H. Sawa, T. Kakiuchi, H. Oshio
  • Journal Title: Inorg. Chem. 46 Pages: 3810-3812
  • Peer Reviewed
• [Journal Article] A Wheel Single molecule Magnet of [Mn^<II>_3Mn^<III>_4]:Quantum Tunneling of Magnetization under Static and Pulse Magnetic Field (2007)
  • Author(s): S.Koizumi, M. Nihei, T. Shiga, M. Nakano, H. Nojiri, R. Bircher, O. Waldmann, H.U. Gudel, H. Oshio
  • Journal Title: Chem. Eur. J 13 Pages: 8445-8453
  • Peer Reviewed
• [Journal Article] Alkoxo-bridged Cobalt(II)Cube and Its Radical Adduct (2007)
  • Author(s): K, Mitsumoto, S. Koizumi, T. Shiga, H. Nishikawa, Y. Chi, H. Oshio
  • Journal Title: Chem. Lett. 9 Pages: 1154-1155
  • NAID: 10019845918
  • Peer Reviewed
• [Journal Article] Three-dimensional Ferromagnetic Frameworks of Syn-Anti-type Carboxylate-bridged Ni^<II>and Co^<II>Coordination Polymers (2007)
  • Author(s): K. Yoneda, M. Ohba, T. Shiga, H. Oshio, S. Kitagawa
  • Journal Title: Chem. Lett. 9 Pages: 1184-1185
  • NAID: 10019846203
  • Peer Reviewed
• [Presentation] コバルト-鉄10核かご状錯体の性質 (2009)
  • Author(s): 志賀拓也, 大塩寛紀
  • Organizer: 日本化学会第89春季年会
  • Place of Presentation: 金沢大学
• [Presentation] キラル2座配位子をもちいたシアン架橋集積型錯体の合成と物性 (2008)
  • Author(s): 志賀拓也, 大塩寛紀
  • Organizer: 学際物質科学研究会「ナノ分子磁性体の化学・物理・応用」
  • Place of Presentation: 筑波大学
• [Presentation] CHIRAL HIGH-SPIN MOLECULES (2008)
  • Author(s): Takuya Shiga, Hiroki Oshio
  • Organizer: 7th Japan-China Joint Symposium on Metal Cluster Compounds
  • Place of Presentation: Hokkaido University
• [Presentation] ポリピリジン系多座配位子で架橋されたらせん型、リング型およびグリッド型多核錯体の合成・構造と性質 (2008)
  • Author(s): 志賀拓也, 野口真央, 大貫達也, 大塩寛紀
  • Organizer: 第47回電子スピンサイエンス学会年会 (SEST2008)
  • Place of Presentation: 九州大学
• [Presentation] Ferromagnetically Coupled Chiral Cyanide-briged Ni6Fe4 Cage (2008)
  • Author(s): Takuya Shiga, Hiroki Oshio
  • Organizer: 11th International Congress on Molecule-based Magnets (ICMM2008)
  • Place of Presentation: Convitto della Calza (Florence, Italy)
• [Presentation] ピリジン系補助配位子を有するシアン架橋集積型金属錯体の合成と性質 (2008)
  • Author(s): 志賀拓也, 大塩寛紀
  • Organizer: 第58回錯体化学討論会
  • Place of Presentation: 金沢大学
• [Presentation] キラルな2座配位子をもちいたコバルトータングステン錯体の合成と性質 (2008)
  • Author(s): 志賀 拓也、大塩 寛紀
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 立教大学(東京豊島区)
• [Presentation] Manganese-Terbium Single-Molecule Magnets (2008)
  • Author(s): 志賀 拓也、野尻 浩之、大塩 寛紀
  • Organizer: First International Symposium on Interdisciplinary Materials Science (ISIMS-2008)
  • Place of Presentation: Epocal (Tsukuba, Japan)
• [Presentation] Ferromagnetically Coupled Chiral Cyanide-briged Ni6Fe4 Cage (2008)
  • Author(s): Takuya Shiga, Hiroki Oshio
  • Organizer: 11^<th> International Congress on Molecule-based Magnets (ICM1VI2008)
  • Place of Presentation: Convitto della Calza, Flore nce, Italy
• [Presentation] ポリピリジン系多座配位子で架橋されたらせん型、リング型およびグリッド型多核錯体の合成・構造と性質 (2008)
  • Author(s): 志賀拓也, 野口真央, 大貫達也, 大塩寛紀
  • Organizer: 第47回電子スピンサイエンス学会年会(SEST2008)
  • Place of Presentation: 九州大学
• [Presentation] CHIRAL HIGH-SPIN MOLECULES (2008)
  • Author(s): Takuya Shiga, Hiroki Oshio
  • Organizer: 7th Japan-China Joint Symposium on Metal Clus ter Compounds
  • Place of Presentation: Hokkaido University
• [Presentation] コバルトー鉄10核かご状錯体の性質 (2008)
  • Author(s): 志賀拓也, 大塩寛紀
  • Organizer: 日本化学会第89春季年会
  • Place of Presentation: 金沢大学
• [Presentation] Manganese-Terbium Single-Molecule Magnets (2008)
  • Author(s): 志賀拓也・野尻浩之・大塩寛紀
  • Organizer: First International Symposium on Interdisciplinary Materials Science(ISIMS-2008)
  • Place of Presentation: Epocal,Tsukuba,Japan
• [Presentation] キラルな 2 座配位子をもちいたコバルトータングステン錯体の合成と性質 (2008)
  • Author(s): 志賀拓也・大塩寛紀
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 立教大学(東京都豊島区)
• [Presentation] Syntheses and magnetism of chiral low dimensional complexes (2007)
  • Author(s): 志賀 拓也、大塩 寛紀
  • Organizer: A Joint Conference of the International Symposium on Electron Spin Science and the 46th Annual Meeting of the Society of Electron Spin Science and Technology (ISESS-SEST2007)
  • Place of Presentation: Granship(Shizuoka, Japan)
• [Presentation] Chiral Ferromagnetic Nano Cage (2007)
  • Author(s): 志賀 拓也、大塩 寛紀
  • Organizer: Asian Conference on Coordination Chemistry
  • Place of Presentation: IMS (Okazaki, Japan)
• [Presentation] Chiral Ferromagnetic Nano Cage (2007)
  • Author(s): 志賀拓也・大塩寛紀
  • Organizer: Asian Conference on Coordination Chemistry
  • Place of Presentation: IMS,Okazaki,Japan
• [Presentation] Syntheses and magnetism of chiral low dimensional complexes (2007)
  • Author(s): 志賀拓也・大塩寛紀
  • Organizer: A Joint Conference of the International Symposium on Electron Spin Science and the 46th Annual Meeting of the Society of Electron Spin Science and Technology(ISESS-SEST2007)
  • Place of Presentation: Granship,Shizuoka,Japan
• [Book] 錯体化学選書3 金属錯体の現代物性化学(山下正廣・小島憲道 編著) (2008)
  • Author(s): 志賀拓也・大塩寛紀
  • Total Pages: 413
  • Publisher: 三共出版
• [Book] 錯体化学選書3金属錯体の現代物性化学山下正廣・小島憲道編著 (2008)
  • Author(s): 志賀拓也、大塩寛紀
  • Total Pages: 413
  • Publisher: 三共出版