Tuning of the Physical Properties of Fe(II/III) Single-Chain Magnet

• Project/Area Number: 20550054
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Inorganic chemistry
• Research Institution: Tohoku University
• Principal Investigator: KAJIWARA Takashi Tohoku University, 理学部, 教授 (80272003)
• Project Period (FY): 2008 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000); Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 単一次元鎖磁石 / 鉄 / 磁性 / 錯体 / 鉄イオン / 磁気異方性 / 鎖状錯体 / 磁気的性質

Research Abstract

A family of single-chain magnets, of which the SCM character originated from the spatial arrangement of high spin Fe^<II> ions with easy-plane anisotropy, was synthesized and their magnetic properties were investigated.

Research Products

• [Journal Article] Magnetic Relaxation of Single-Molecule Magnets in an External Magnetic Field : An Ising Dimer of a Terbium(III)-Phthalocyaninate Triple-Decker Complex (2011)
  • Author(s): K.Katoh, T.Kajiwara, M.Nakano, Y.Nakazawa, W.Wernsdorfer, N.Ishikawa, B.K.Breedlove, M.Yamashita
  • Journal Title: Chem.Eur.J Volume: 17 Pages: 117-122
  • Peer Reviewed
• [Journal Article] Structural Design of Easy-axis Magnetic Anisotropy and Determination of Anisotropic Parameters of Ln(III)-Cu(II) Single-Molecule Magnets (2011)
  • Author(s): T.Kajiwara, M.Nakano, K.Takahashi, S.Takaishi, M.Yamashita
  • Journal Title: Chem.Eur.J. Volume: 17 Pages: 196-205
  • Peer Reviewed
• [Journal Article] Wheel-shaped Er^<III> Zn^<II>_3 Single-Molecule Magnet : A Macrocyclic Approch to Designing Magnetic Anisotropy (2011)
  • Author(s): A.Yamashita, A.Watanabe, S.Akine, T.Nabeshima, M.Nakano, T.Yamamura, T.Kajiwara
  • Journal Title: Angew.Chem.Int.Ed. Volume: 50 Pages: 4016-4019
  • Peer Reviewed
• [Journal Article] Single-Chain Magnets Constructed by Using the Strict Orthogonality of Easy-Planes : Use of Structural Flexibility to Control the Magnetic Properties. (2010)
  • Author(s): T.Kajiwara, H.Tanaka, M.Nakano, S.Takaishi, Y.Nakazawa, 山下正廣
  • Journal Title: Inorg.Chem. 49 Pages: 8358-8370
  • Peer Reviewed
• [Journal Article] XYスピンによる単一次元鎖磁石 (2010)
  • Author(s): 梶原孝志, 山下正廣
  • Journal Title: 固体物理 45 Pages: 15-26
  • NAID: 40016973401
• [Journal Article] Single-Chain Magnets Constructed by Using the Strict Orthogonality of Easy-Planes : Use of Structural Flexibility to Control the Magnetic Properties. (2010)
  • Author(s): T.Kajiwara, H.Tanaka, M.Nakano, S.Takaishi, Y.Nakazawa, M.Yamashita
  • Journal Title: Inorg.Chem. Volume: 49 Pages: 8358-8370
  • Peer Reviewed
• [Journal Article] Structural Study of Electronic States in Quasi-One-Dimensional Halogen-Bridged Mixed-Metal Complexes [Ni^<1-x>_Pd_x(chxn)_2Br]Br_2 (2010)
  • Author(s): S.Takaishi, H.Wu, J.Xie, T.Kajiwara, B.K.Breedlove, H.Miyasaka, M.Yamashita
  • Journal Title: Inorg.Chem. Volume: 49 Pages: 3694-3696
  • Peer Reviewed
• [Journal Article] Syntheses, Structures, and Magnetic Properties of Tetramanganese(III) and Hexamanganese(III) Complexes Containing Derivative of Biguanidate Ligand : Ferromagnetic Interaction via Imino Nitrogen (2009)
  • Author(s): A.Igashira-Kamiyama, T.Kajiwara, M.Nakano, T.Konno, T.Ito
  • Journal Title: Inorg.Chem. 48 Pages: 11388-11393
  • Peer Reviewed
• [Journal Article] Structural correlations between the crystal field and magnetic anisotropy of Ln-Cu single-molecule magnets (2009)
  • Author(s): T.Kajiwara, K.Takahashi, T.Hiraizumi, S.Takaishi, M.Yamashita
  • Journal Title: Cryst Eng Comm 11 Pages: 2110-2116
  • Peer Reviewed
• [Journal Article] Coordination enhancement of single-molecule magnet behavior of Tb(III)-Cu(II) dinuclear systems (2009)
  • Author(s): T.Kajiwara, K.Takahashi, T.Hiraizumi, S.Takaishi, M.Yamashita
  • Journal Title: Polyhedron 28 Pages: 1860-1863
  • Peer Reviewed
• [Journal Article] Coordination-Tuned Single-Molecule-Magnet Behavior of TbIII-CuII Dinuclear Systems (2008)
  • Author(s): T.Kajiwara, M.Nakano, S.Takaishi, M.Yamashita
  • Journal Title: Inorg.Chem. 47 Pages: 8604-8606
  • Peer Reviewed
• [Journal Article] Single Chain Magnets Constructed with a Twisting Arrangement of the Easy-Plane of Iron(II) Ions (2008)
  • Author(s): T.Kajiwara, H.Tanaka, M.Yamashita
  • Journal Title: Pure Appl.Chem. 80 Pages: 2297-2308
  • Peer Reviewed
• [Journal Article] 構造制御に基づく単一次元鎖磁石の創製 (2008)
  • Author(s): 梶原孝志, 山下正廣
  • Journal Title: 化学工業 59 Pages: 417-422
• [Journal Article] Single Chain Magnets Constructed with a Twisting Arrangement of the Easy-Plane of Iron(II) Ions (2008)
  • Author(s): T. Kajiwara
  • Journal Title: Pure Appl. Chem 80 Pages: 2297-2308
  • Peer Reviewed
• [Presentation] Monodysprosium(III) SMM with extremely high barrier for magnetic relaxation (2010)
  • Author(s): 梶原孝志
  • Organizer: 環太平洋国際化学会議Pacifichem2010
  • Place of Presentation: ホノルル(アメリカ合衆国)
  • Year and Date: 2010-12-19
• [Presentation] Structural Control of the Magnetic Anisotropy of Lanthanide-based SMMs (2010)
  • Author(s): 梶原孝志
  • Organizer: 環太平洋国際化学会議Pacifichem2010
  • Place of Presentation: ホノルル(アメリカ合衆国)
  • Year and Date: 2010-12-18
• [Presentation] Magnetic anisotropy designed SMM including Er(III) ion (2010)
  • Author(s): 梶原孝志
  • Organizer: 環太平洋国際化学会議Pacifichem2010
  • Place of Presentation: ホノルル(アメリカ合衆国)
  • Year and Date: 2010-12-18
• [Presentation] STRUCTURAL DESIGN OF EASY-AXIS MAGNETIC ANISOTROPY AND DETERMINATION OF ANISOTROPIC PAREMETERS OF Ln(III)-Cu(II) SINGLE-MOLECULE MAGNETS (2010)
  • Author(s): 梶原孝志
  • Organizer: 分子磁性に関する国際会議ICMM2010
  • Place of Presentation: 北京(中国)
  • Year and Date: 2010-10-11
• [Presentation] Magnetic anisotropy designed SMM including Er(III) ion (2010)
  • Author(s): 梶原孝志
  • Organizer: 第60回錯体化学討論会
  • Place of Presentation: 大阪国際交流センター
  • Year and Date: 2010-09-28
• [Presentation] Mono-dysprosium(III) SMMs with extremely high barrier for magnetic relaxation (2010)
  • Author(s): 梶原孝志
  • Organizer: 第60回錯体化学討論会
  • Place of Presentation: 大阪国際交流センター
  • Year and Date: 2010-09-28
• [Presentation] Ln(III)-Cu(II)系単分子磁石における磁気異方性の定量化 (2009)
  • Author(s): 梶原孝志
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 日本大学・船橋キャンパス
  • Year and Date: 2009-03-28
• [Presentation] Ln(III)-Cu(II)二核錯体系における単分子磁石特性発現の希土類金属イオン依存性 (2009)
  • Author(s): 梶原孝志
  • Organizer: 日本化学会第88春季年会
  • Place of Presentation: 日本大学・船橋キャンパス
  • Year and Date: 2009-03-28
• [Presentation] Cu-Ln-Cu直線型三核錯体におけるSMM挙動と磁気異方性 (2009)
  • Author(s): 梶原孝志
  • Organizer: 錯体化学討論会
  • Place of Presentation: 長崎大学(長崎)
• [Presentation] Coordination-Tuned SMM Behaviour of Terbium(III)-Copper(II) Dinuclear Systems (2008)
  • Author(s): 梶原孝志
  • Organizer: The 11th International Conference on Molecule-based Magnets
  • Place of Presentation: Convitto della Calza, Florence, Italy
  • Year and Date: 2008-09-22
• [Presentation] Coordination-Tuned SMM Behaviour of Terbium(III)-Copper(II) Dinuclear Systems (2008)
  • Author(s): T. Kajiwara
  • Organizer: The 11th International Conference on Molec ule-based Magnets
  • Place of Presentation: フィレンツェ, イタリア
  • Year and Date: 2008-09-22
• [Presentation] Ln(III)-Cu(II)単分子磁石におけるTb(III)及びDy(III)イオンの異方性の比較 (2008)
  • Author(s): 梶原孝志
  • Organizer: 第58回錯体化学討論会
  • Place of Presentation: 金沢大学
  • Year and Date: 2008-09-21
• [Presentation] Ln(III)-Cu(II)系単分子磁石における分子設計と異方性の強化 (2008)
  • Author(s): 梶原孝志
  • Organizer: 第58回錯体化学討論会
  • Place of Presentation: 金沢大学
  • Year and Date: 2008-09-20
• [Presentation] Syntheses and SMM behaviors of 4f-3d systems (2008)
  • Author(s): T. Kajiwara
  • Organizer: Global COE International Symposium on Perspectives in Inorganic-Organic Hybrid Materials
  • Place of Presentation: 仙台
  • Year and Date: 2008-08-01
• [Book] 化学工業 (2008)
  • Author(s): 梶原孝志, 山下正廣
  • Publisher: 化学工業出版
• [Remarks] ホームページ等