光と磁気・電気の相関による新規相転移現象の創製
受賞

・ 第60回 日本化学会進歩賞(2011年3月) .

・ 第2回(2008年) 日本物理学会若手奨励賞(H20.3.22)
  「シアノ架橋型金属錯体における電荷移動に基づいた光誘起相転移現象の研究」

  

論文

・ 2008年「Crystal structure, charge-transfer induced spin transiton, and photo-reversible magnetism in cyano-bridged cobalt-tungstate bimetallic assembly」がアメリカ化学誌「Chemistry of Materials」5月号に掲載。挿入図が表紙絵を飾る。
    

・ "Experimental access to elastic and thermodynamic properties of RbMnFe(CN)6"
K. Boukheddaden, E. D. Loutete-Dangui, E. Codjovi, M. Castro, J. A. Rodriguez-Velamazan, S. Ohkoshi, H. Tokoro, M. Koubaa, Y. Abid, F. Varret, J. Appl. Phys., 109, 013520 (2011).

・ "High proton conductivity in Prussian blue analogs and the interference effect by magnetic ordering"
S. Ohkoshi, K. Nakagawa, K. Tomono, K. Imoto, Y. Tsunobuchi, H. Tokoro, J. Am. Chem. Soc., 132, 6620 (2010).

・ "Transcription of optical near-fields by photoinduced structural change in single crystals for parallel nanophotonic processing"
N. Tate, H. Tokoro, K. Takeda, W. Nomura, T. Yatsui, T. Kawazoe, M. Naruse, S. Ohkoshi, M. Ohtsu, Appl. Phys. B, 98, 685 (2010).

・ "Absolute quantitation of magnetization of individual micron-sized magnets using a high-temperature superconductor micro-SQUID magnetometer"
K. Takeda, H. Tokoro, A. Yamaguchi, S. Ohkoshi, Supercond. Sci. Technol., 23, 045006 (2010).

・ "Observation of the fixed Fe-CN-Mn cluster in cesium manganese hexacyanoferrate"
K. Ishiji, T. Matsuda, H. Tokoro, S. Ohkoshi, T. Iwazumi, J. Phys. Soc. Jpn., 79, 074801 (2010).

・ "Photo-reversible switching of magnetic coupling in a two-dimensional copper octacyanomolybdate"
H. Tokoro, K. Nakagawa, K. Nakabayashi, T. Kashiwagi, K. Hashimoto, S. Ohkoshi, Chem. Lett., 38, 338 (2009).

・ "Electric field-induced charge-transfer phase transition: A promising approach toward electrically switchable devices"
T. Mahfoud, G. Molnár, S. Bonhommeau, S. Cobo, L. Salmon, P. Demont, H. Tokoro, S. Ohkoshi, K. Boukheddaden, A. Bousseksou, J. Am. Chem. Soc., 131, 15049 (2009).

・ "Threshold phenomena under photo excitation of spin-crossover materials with cooperativity due to elastic interactions"
S. Miyashita, P.A. Rikvold, T. Mori, Y. Konishi, M. Nishino, H. Tokoro, Phys. Rev. B, 80, 064414 (2009).

・ "Evidence for complex multistability in photomagnetic cobalt hexacyanoferrates from combined magnetic and synchrotron x-ray diffraction measurements"
I. Maurin, D. Chernyshov, F. Varret, A. Bleuzen, H. Tokoro, K. Hashimoto, S. Ohkoshi, Phys. Rev. B, 79, 064420 (2009).

・ "Humidity sensitive magnet composed of cyano-bridged Co-Nb bimetallic assembly"
K. Imoto, D. Takahashi, Y. Tsunobuchi, M. Arai, W. Kosaka, H. Tokoro, S. Ohkoshi, Eur. J. Inorg. Chem., 4079 (2010).

・ "Extremely gradual spin-crossover phenomenon in cyano-bridged Fe-Mo bimetallic assembly"
W. Kosaka, H. Tokoro, T. Matsuda, K. Hashimoto, S. Ohkoshi, J. Phys. Chem. C, 113, 15751 (2009).

・ "High temperature superconductor micro-SQUID magnetometer for molecular-based magnets"
K. Takeda, H. Tokoro, F. Hakoe, A. Yamaguchi, H. Mori, H. Ishimoto, T. Nakamura, S. Ohkoshi, Polyhedron, 28, 1746 (2009).

・ "Dynamics of the charge transferred states relevant to magnetic phase transition in rubidium manganese hexacyanoferrate"
T. Suemoto, K. Ohki, R. Fukaya, M. Nakajima, H. Tokoro, S. Ohkoshi, J. Luminescence, 129, 1775 (2009).

・ "Pressure-induced octahedral rotation in RbMn[Fe(CN)6]"
X.J. Liu, Y. Moritomo, T. Matsuda, H. Kamioka, H. Tokoro, S. Ohkoshi, J. Phys. Soc. Jpn., 78, 013602 (2009).

・ "Photoinduced charge-transfer process in rubidium manganese hexacyanoferrate"
R. Fukaya, M. Nakajima, H. Tokoro, S. Ohkoshi, T. Suemoto, J. Chem. Phys., 131, 154505 (2009).

・ "Visible light-induced reversible photomagnetism in rubidium manganese hexacyanoferrate"
H. Tokoro, T. Matsuda, T. Nuida, Y. Moritomo, K. Ohoyama, E.D.L. Dangui, K. Boukheddaden, S. Ohkoshi, Chem. Mater., 20, 423 (2008).

・"Phase collapse caused by blue-light irradiation in a cyanobridged coordination polymer"
H. Tokoro, S. Ohkoshi, Appl. Phys. Lett., 93, 021906 (2008).

・ "Realization of the mean-field universality class in spin-crossover materials"
S. Miyashita, Y. Konishi, M. Nishino, H. Tokoro, P.A. Rikvold, Phys. Rev. B, 77, 014105 (2008).

・ "Fine tuning of second order nonlinear activity with rubidium manganese hexacyanoferrates"
S. Ohkoshi, T. Matsuda, S. Saito, T. Nuida, H. Tokoro, J. Phys. Chem. C, 112, 13095 (2008).

・ "Monte Carlo simulation of pressure-induced phase transitions in spin-crossover materials"
Y. Konishi, H. Tokoro, M. Nishino, S. Miyashita, Phys. Rev. Lett., 100, 067206 (2008).

・ "Crystal structure, charge-transfer-induced spin transition, and photoreversible magnetism in a cyano-bridged cobalt-tungstate bimetallic assembly"
S. Ohkoshi, Y. Hamada, T. Matsuda, Y. Tsunobuchi, H. Tokoro, Chem. Mater., 20, 3048 (2008).

・ "Observation of ferroelectricity in paramagnetic copper octacyanomolybdate"
K. Nakagawa, H. Tokoro, S. Ohkoshi, Inorg. Chem., 47, 10810 (2008).

・ "Poly-[hexacyano-manganese(II)Iron(III) pentahydrate]"
T. Matsuda, H. Tokoro, M. Shiro, K. Hashimoto, S. Ohkoshi, Acta Cryst. E, 64, i11 (2008).

・ "Spectroscopic ellipsometry investigations of the thermally-induced first-order transition of RbMnFe(CN)6"
E.D. Loutete-Dangui, E. Codjovi, H. Tokoro, P. R. Dahoo, S. Ohkoshi, K. Boukheddaden, Phys. Rev. B, 78, 014303 (2008).

特許

発 明 者:大越慎一、所裕子、尾崎仁亮
発明の名称:光磁気記録媒体及び光磁気記録方法
出 願 人:独立行政法人科学技術振興機構、国立大学法人東京大学
出 願 日:平成22年11月4日

その他

著書

・ "磁気機能"
大越慎一、所裕子, ナノ空間材料の創製と応用展開, フロンティア出版. 11 (2009).

・ "マルチフェロイック材料における磁化誘起非線形光学効果"
大越慎一、縫田知宏、所裕子, マテリアル・インテグレーション, ティー・アイ・シィー. 22(3) (2009).

・ "Photo-induced phase transition in RbMnFe Prussian blue analog-based magnet"
H. Tokoro, S. Ohkoshi, Progrss in Nano Electro-Optics VII; Springer Series in Optical Science, 155, 1 (2009).

・ "Photo-induced charge-transfer-type phase transitions in rubidium manganese hexacyanoferrate"
H. Tokoro, S. Ohkoshi, Molecular electronic and related materials-Control and probe with light, Research Signpost, in press.

学会発表(招待講演・本人登壇)

・ "集積型シアノ架橋型金属錯体における電荷移動に基づいた光誘起相転移現象"
所裕子, 大越慎一、物性研短期研究会外部場の時間操作と実時間物理現象、東京大学物性研究所(2010/6/22, 23)

・ "Novel transition phenomena in cyano-bridged metal assemblies"
H. Tokoro, S. Ohkoshi、Phase transition and Dynamical properties of Spin Transition Materials 2010、Tsukuba University (JAPAN)(2010/2/8)

・ "Photomagnetic phenomena in rubidium manganese hexacyanoferrate"
H. Tokoro, S. Ohkoshi、The 3rd Japanese-Russian Workshop on Open Shell Compounds and Molecular Spin Devices、Awaji Yumebutai International Conference Center (JAPAN), (2009/11/18)

・ "光応答物質における相転移ダイナミクス"
所裕子、SPring-8 次期計画 2019シンポジウム 〜光科学の明日〜、東京ステーションコンファレンス, (2009/6/19)

・ "Light-induced phase collapse in a rubidium manganese hexacyanoferrate"
H. Tokoro、International conference on Photo-Induced Phase Transitions (PIPT) 2008、Osaka City University (JAPAN)(2008/11/13)

・ "Phase transition in rubidium manganese hexacyanoferrate"
H. Tokoro、International workshop on Novel Aspects of Phase Transitions with Long-range Interactions、University of Tokyo (JAPAN)(2008/10/30)

・ "Photo-induced phase collapse in a rubidium manganese hexacyanoferrate"
H. Tokoro, S. Ohkoshi、2008 Japan-USA Nanophotonics、Miyazaki-SEAGAIA (JAPAN)(2008/9/25)

・ "集積型シアノ架橋型金属錯体における電荷移動相転移および光相転移現象"
所裕子、ナノフォトニクス総合的展開 オープンセミナー、東京大学(2008/5/29)

・ "Reversible photomagnetic effect in rubidium manganese hexacyanoferrate"
H. Tokoro, S. Miyashita, S. Ohkoshi、International Conference on Recent Optical Materials 2008、University of Tokyo (JAPAN)(2008/4/4)

・ "シアノ架橋型金属錯体における電荷移動に基づいた光誘起相転移現象の研究"
所裕子、2008年日本物理学会第63回年次大会、近畿大学(2008/3/25)

・ "Photo-induced phase transition in rubidium manganese hexacyanoferrate"
H. Tokoro, S. Miyashita, S. Ohkoshi、Phase transition and Dynamical properties of Spin Transition Materials 2008、Bordeaux (FRANCE)(2008/1/15)