研究成果
発表論文 | Proceedings(査読付) | 解説・総説 | 著書(分担執筆) | 成立(登録)特許 | 特許出願 | 外部資金
発表論文
- "Pressure-induced water producing using a copper–chromium Prussian blue analog"
S. Akagi, M. Tanaka, J. Wang, H. Kiuchi, Y. Harada, Y. Chen, K. Marumoto, K. Imoto, S. Ohkoshi,* H. Tokoro*
J. Mater. Chem. A, in ress. - "Porous Metallophilic Frameworks Incorporating Metal-Organic Chains as Humidity Sensors Exploring Uranyl Photoluminescence"
J. J. Zakrzewski, D. Jędrzejowski, J. Wang, H. Tokoro, S. Ohkoshi, D. Matoga, S. Chorazy
Adv. Opt. Mater. 5, 2403168 (2025). - "Ultrafast and persistent photoinduced phase transition at room temperature monitored by streaming powder diffraction"
M. Hervé, G. Privault, E. Trzop, S. Akagi, Y. Watier, S. Zerdane, I. Chaban, R. G. Torres Ramírez, C. Mariette, A. Volte, M. Cammarata, M. Levantino, H. Tokoro*, S. Ohkoshi*, Eric Collet*
Nature. Commun. 15, 267 (2024). - "Synthesis of heat storage ceramic λ-Ti3O5 using titanium chloride as the starting material"
T. Kubota, R. Seiki, A. Fujisawa, A. F. Fadilla, F. Jia, S. Ohkoshi,* H. Tokoro*
Mater. Advances, 5, 3832-3837 (2024). - "From ultrafast photoinduced small polarons to cooperative and macroscopic charge-transfer phase transition"
G. Privault, M. Hervé, N. Godin, R. Bertoni, S. Akagi, J. Kubicki, H. Tokoro, S. Ohkoshi, M. Lorenc, E. Collet
Angew. Chem. Int. Ed, 63, e202408284 (2024). - "Chiral cadmium-amine complexes for stimulating non-linear optical activity and photoluminescence in solids based on aurophilic stacks"
K. Boidachenko, M. Liberka, J. Wang, H. Tokoro, S. Ohkoshi, S. Chorazy
J. Mater. Chem. C, 12, 14964-14977 (2024). - "Molecular Alloying of Three Different Organic Ligands within a Spin-Transitional and SHG-Active FeII–WIV(CN)8 3-D Coordination Framework"
D. Kobayashi, S. Nagashima, S. Ohkoshi, J. Wang,* H. Tokoro*
Eur J. Inog. Chem. 27, e202400508 (2024).
注目の論文として "ChemistryViews" で取り上げられました (DOI: 10.1002/chemv.202400145)
- "Phase Separation of ε-Fe2O3 and BaFe12O19 in a Synthesis Combining Reverse-Micelle and Sol-Gel Techniques"
J. MacDougall, H. Tokoro,* M. Yoshikiyo, A. Namai,* S. Ohkoshi*
Eur J. Inog. Chem. 27, e202400148 (2024). - "Strain-Affected Ferroelastic Domain Walls in RbMnFe Charge-Transfer Materials Undergoing Collective Jahn-Teller Distortion"
M. Hervé, S. Akagi, L. Guérin, L.B. Gee, R.D. Ribson, M. Chollet, M. Cammarata, S. Nagashima, S. Ohkoshi, H. Tokoro, E. Collet
RSC Advances, 14, 35081-35089 (2024). - "Phase Transformations of Individual Ti3O5 Nanocrystals Studied by In-Situ Electron Microscopy"
Y. Hu, H. Mba, M. Picher, H. Tokoro*, S. Ohkoshi, C. Mariette, R. Mandal, M. Alashoor, P. Rabiller*, M. Lorenc, F. Banhart*
J. Phys. Chem. C, 128, 13991-13997 (2024). - "Long-Term Heat-Storage Ceramics based on Zr-Substituted λ-Ti3O5"
T. Otake, L. Wang, F. Jia, M. Yoshikiyo, K. Kawakami, A. Namai, H. Tokoro, S. Ohkoshi
Eur J. Inog. Chem. 27, e202400047 (2024). - "Evaluation of Electronic Structure of Prussian Blue Analogue RbMn[Fe(CN)6] in Temperature-Induced Phase Transition Phenomena"
T. Tsukamoto, K. Hayashi, T. Iwazumi, H. Tokoro, K. Nakagawa, S. Ohkoshi
J. Phys. Soc. Jpn. 93, 044704 (2024). - "SHG-active luminescent thermometers based on chiral cyclometalated dicyanidoiridate(III) complexes"
J. Rzepiela, M. Liberka, M. Zychowicz, J. Wang, H. Tokoro, K. Piotrowska, S. Baś, S. Ohkoshi, S. Chorazy
Inorg. Chem. Frontiers, 11, 1366-1380 (2024). - "Terahertz wave absorption of a rubidium manganese-iron prussian blue phase transition material"
Y. Mineo, . Nakabayashi, H. Tokoro, K. Imoto, A. Namai, M. Yoshikiyo, S. Ohkoshi
Eur J. Inog. Chem. 27, e202400301 (2024). - "Structural studies of Prussian Blue Analogs contained trivalent hexacyanoferrate by extended X-ray absorption fine structure spectroscopy"
T. Iwazumi, A. Kusumoto, R. Takeshita, D. Kobayashi, H. Tokoro, K. Nakagawa, S. Ohkoshi
J. Electron. Spectros. Relat. Phenomena, 14, 147421 (2024). - "Ultrafast Structural Dynamics of a Photoexcited Mn-Fe Charge-Transfer Material in the Polaronic and Phase Transition regimes"
M. Hervé, G. Privault, E. Trzop, S. Akagi, Y. Watier, S. Zerdane, I. Chaban, R. G. T. Ramírez, C. Mariette, A. Volte, M. Cammarata, M. Levantino, H. Tokoro, S. Ohkoshi, E. Collet
Eur J. Inog. Chem. 27, e202400371 (2024). - "Giant adiabatic temperature change and its direct measurement of a barocaloric effect in a charge-transfer solid"
S. Ohkoshi, K. Nakagawa, M. Yoshikiyo, A. Namai, K. Imoto, Y. Nagane, F. Jia, O. Stefanczyk, H. Tokoro, J. Wang, T. Sugahara, K. Chiba, K. Motodohi, K. Isogai, K. Nishioka, T. Momiki, R. Hatano
Nature. Commun. 14, 8466 (2023).
Most read Nature Communications articles (top 25 airticle) in chemistry and materials in 2023 に選ばれました. - "Direct Observation of Magnetic Domain and Magnetization Reversal on Prussian Blue-Based Magnetic Films"
S. Nagashima, Y. Yahagi, M. Nishino, T. Yamaoka, K. Nakagawa, J. Wang, S. Ohkoshi,* H. Tokoro*
J. Am. Chem. Soc., 145, 22934–22944 (2023). - "Desolvation-Induced Highly Symmetrical Terbium(III) Single-Molecule Magnet Exhibiting Luminescent Self-Monitoring of Temperature"
J. Wang, J. J. Zakrzewski, M. Zychowicz, Y. Xin, H. Tokoro, S. Chorazy, S. Ohkoshi
Angew. Chem. Int. Ed, 62, e202306372/1–10 (2023). - "Long-term heat-storage materials based on λ-Ti3O5 for green transformation (GX)"
S. Ohkoshi,* M. Yoshikiyo,* J. MacDougall, Y. Ikeda, H. Tokoro*
Chem. Commun., 59, 7875–7886 (2023). - "Spin-Flop Transition in a Nickel–Octacyanidotungstate Chain Magnet"
S. Akagi, J. Wang, K. Imoto, S. Ohkoshi, H. Tokoro*
Cryst. Growth Des., 23, 1972-1979 (2023). - "Observation of a Pressure Effect on an Al-Substituted λ-Ti3O5 Heat-Storage Material"
F. Jia, M. Yoshikiyo, R. Makuta, K. Kawakami, H. Tokoro, S. Ohkoshi
Chem. Lett., 52, 748-751 (2023). - "A NiII–WV(CN)8 layer magnet showing metamagnetic behavior"
S. Akagi, J. Wang, K. Imoto, K. Kumar, S. Ohkoshi, H. Tokoro*
Pure Appl. Chem., 95, 701–705 (2023). - "Mechanical Exfoliation of Multilayer Pseudohalogen-Bridged Nanosheets"
G. Li, O. Stefanczyk, J. Fangda, S. Nagashima, K. Kumar, K. Imoto, H. Tokoro, S. Ohkoshi
J. Phys. Chem. Lett., 14, 10420-10426 (2023). - "Crystal structure, photomagnetic and dielectric properties of a cyanido-bridged Cu-Mo assembly film"
Y. Ikeda, D. Matsumura, T. Tsuji, A. Namai, K. Imoto, H. Tokoro, K. Nakabayashi, S. Ohkoshi
Inorg. Chim. Acta, 550, 121434/1-8 (2023). - "Optical Properties of Epsilon Iron Oxide Nanoparticles in the Millimeter-and Terahertz-Wave Regions"
H. Tokoro,* K. Nakabayashi, S. Nagashima, Q. Song, M. Yoshikiyo, S. Ohkoshi*
Bull. Chem. Soc. Jpn., 95, 538-552 (2022).
ジャーナルのback cover pictureに選ばれました. - "Magnetic field–switchable millimeter wave switch for 81, 94, and 140 GHz based on metal substituted ε-iron oxide"
A. Namai, Y. Oki, K. Imoto, H. Tokoro, S. Ohkoshi
J. Mater. Chem. C,10, 10815-10822 (2022). - "Pressure effect on long‐term heat storage ceramics based on Mgsubstituted λ-Ti3O5"
S. Ohkoshi, F. Jia, M. Yoshikiyo, K. Imoto, H. Tokoro, K. Nakagawa, Y. Maeno, A. Namai, R. Harada, K. Hattori, K. Kojima, K. Sugiura, T. Suganuma
Mater. Adv., 3, 4824-4830 (2022). - "Investigation of the vibrational density of states of sodium carboxymethyl starch glass via terahertz time-domain spectroscopy"
J. Zhong, S. Nakagawa, K. Kaczmarska, W. Terao, B. Grabowska, Y. Fujii, A. Koreeda, S. Kohara, H. Tanimoto, H. Tokoro, S. Ohkoshi, J.H. Ko, Y. Duan, T. Mori
Spectrochim. Acta Part A Mol. Biomol. Spectrosc., 266, 120414 (2022). - "Observation of correlation between the phonon frequency and long-range magnetic ordering on a MnW octacyanide molecule–based magnet"
H. Tokoro,* N. Maeda, K. Imoto, K. Nakabayashi, K. Chiba, S. Ohkoshi*
J. Mater. Chem. C, 9, 10689-10696 (2021). - "Exploring ultrafast photoswitching pathways in RbMnFe Prussian Blue Analogue"
G. Azzolina, H. Tokoro,* K. Imoto, M. Yoshikiyo, S. Ohkoshi,* E. Collet*
Angew Chem. Int. Ed., 60, 23267-23273 (2021).
ジャーナルのcover pictureに選ばれました. - "Strain wave pathway to semiconductor-to-metal transition revealed by time-resolved X-ray powder diffraction"
C. Mariette, M. Lorenc, H. Cailleau, E. Collet, L. Guérin, A. Volte, E. Trzop, R. Bertoni, X. Dong, B. Lépine, O. Hernandez, E. Janod, L. Cario, V. Ta Phuoc, S. Ohkoshi, H. Tokoro, L. Patthey, A. Babic, I. Usov, D. Ozerov, L. Sala, S. Ebner, P. Böhler, A. Keller, A. Oggenfuss, T. Zmofing, S. Redford, S. Vetter, R. Follath, P. Juranic, A. Schreiber, P. Beaud, V. Esposito, Y. Deng, G. Ingold, M. Chergui, G. F. Mancini, R. Mankowsky, C. Svetina, S. Zerdane, A. Mozzanica, A. Bosak, M. Wulff, M. Levantino, H. Lemke, M. Cammarata
Nature Commun., 12, 1239/1-11 (2021).
科学新聞 (2020.3.5) で研究成果が紹介されました. - "Out-of-equilibrium lattice response to photo-induced charge-transfer in a MnFe Prussian blue Analogue"
G. Azzolina, R. Bertoni, C. Mariette, M. Cammarata, E. Trzop, C. Ecolivet, M. Sander, M. Levantino, H. Tokoro,* K. Imoto, M. Yoshikiyo, S. Ohkoshi,* E. Collet*
J. Mater. Chem. C, 9, 6773-6780 (2021). - "Advances in magnetic films of epsilon-iron oxide toward next-generation high-density recording media"
H. Tokoro,* A. Namai, S. Ohkoshi*
Dalton Trans., 50, 452-459 (2021).
ジャーナルのback cover pictureに選ばれました. - "Reversible photoswitchable ferromagnetic thin film based on a cyanido-bridged RbCuMo complex"
S. Ohkoshi, K. Shiraishi, K. Nakagawa, Y. Ikeda, O. Stefanczyk, H. Tokoro, A. Namai
J. Mater. Chem. C, 9, 3081-3087 (2021).
ジャーナルのcover pictureに選ばれました. - "Synthesis of nanosize tetratitanium heptoxide and its anomalous phase transition"
H. Tokoro,* Y. Araki, I. Nagata, T. Kondo, K. Imoto, S. Ohkoshi*
Mater. Res. Lett., 8, 261-267 (2020). - "A photoswitchable polar crystal that exhibits superionic conduction"
S. Ohkoshi, K. Nakagawa, K. Imoto, H. Tokoro, Y. Shibata, K. Okamoto, Y. Miyamoto, M. Komine, M. Yoshikiyo, A. Namai
Nature Chem., 12, 338-344 (2020).
日本経済新聞 (2020.3.23) ; EEtimes (2020.3.25) ; 科学新聞 (2020.3.27) で研究成果が紹介されました. ジャーナルのcover pictureに選ばれました. - "Magnetic pole flip by millimeter wave"
S. Ohkoshi, M. Yoshikiyo, K. Imoto, K. Nakagawa, A. Namai, H. Tokoro, Y. Yahagi, K. Takeuchi, F. Jia, S. Miyashita, M. Nakajima, H. Qiu, K. Kato, T. Yamaoka, M. Shirata, K. Naoi, K. Yagishita, H. Doshita
Adv. Mater, 32, 2004897 (2020).
ジャーナルのFrontispieceに選ばれました. - "Synthesis of λ-Ti3O5 nanocrystals using a block copolymer"
Y. Araki, S. Ohkoshi, H. Tokoro
Mater. Today Energy, 18, 100525/1-6 (2020). - "Crystal growth control of rod-shaped ε-Fe2O3 nanocrystals"
H. Tokoro, J. Fukui, K. Watanabe, M. Yoshikiyo, A. Namai, S. Ohkoshi
RSC Adv., 10, 39611-39616 (2020).
- "Extremely low-frequency phonon material and its temperature- and photo-induced switching effects"
T. Yoshida, K. Nakabayashi, H. Tokoro, M. Yoshikiyo, A. Namai, K. Imoto, K. Chiba, S. Ohkoshi
Chem. Sci., 11, 8989-8998 (2020). - "Sigmoidally hydrochromic molecular porous crystal with rotatable dendrons"
H. Yamagishi, S. Nakajima, J. Yoo, M. Okazaki, Y. Takeda, S. Minakata, K. Albrecht, K. Yamamoto, I. Badía-Domínguez, M. Moreno Oliva, M. Carmen Ruiz Delgado, Y. Ikemoto, H. Sato, K. Imoto, K. Nakagawa, H. Tokoro, S. Ohkoshi, Y. Yamamoto
Commun. Chem., 3, 118/1-8 (2020). - "Landau Theory for Non-Symmetry-Breaking Electronic Instability Coupled to Symmetry-Breaking Applied to Prussian Blue Analogue"
G. Azzolina, R. Bertoni, C. Ecolivet, H. Tokoro, S. Ohkoshi, E. Collet
Phys. Rev. B, 102, 134104/1-13 (2020). - "Detection of boson peak and fractal dynamics of disordered systems using terahertz spectroscopy"
T. Mori, Y. Jiang, Y. Fujii, S. Kitani, H. Mizuno A. Koreeda, L Motoji, H. Tokoro, K. Shiraki, Y. Yamamoto, S. Kojima
Phys. Rev. E, 102, 022502/1-12 (2020). - "Functional phase bistability in a nanocrystalline RbMn[Fe(CN)6] thin film fabricated by matrix-assisted laser evaporation"
D. Maskowicz, M. Sawczak, R. Jendrzejewski, M. Gazda, H. Tokoro, S. Ohkoshi, Y. Garcia, G. Śliwiński
Scr. Mater., 183, 50-54 (2020). - "Low-pressure-responsive heatstorage ceramics for automobiles"
S. Ohkoshi, H. Tokoro, K. Nakagawa, M. Yoshikiyo, F. Jia, A. Namai
Scientific Reports, 9, 9:13203/1-8 (2019).
日刊工業新聞 (2019.9.19) ; 化学工業日報 (2019.9.19) で研究成果が紹介されました.
MRS Bulletinの"News"で研究成果が紹介されました (2019.12.). - "Thermally- and photo-induced phase transitions in rubidium manganese hexacyanoferrate combining charge-transfer and structural reorganization"
S. Ohkoshi, H. Tokoro, E. Collet
Comptes Rendus Chimie, 22, 498-507 (2019). - "Single laser shot photoinduced phase transition of rubidium manganese hexacyanoferrate investigated by X-ray diffraction"
G. Azzolina, E. Collet, C. Mariette, M. Cammarata, E. Trzop, M. Sander, M. Levantino, K. Nakagawa, H. Tokoro, S. Ohkoshi, R. Bertoni
Eur. J. Inorg. Chem., 27, 3142-3147 (2019).
Cover Picture and Cover Profile (interview), Selected as "very important paper". - "Humidity sensitivity, organic molecule sensitivity, and superionic conductivity on porous magnets based on cyano-bridged bimetal assemblies"
S. Ohkoshi, A. Namai, H. Tokoro
Coord. Chem. Rev., 380, 572-583 (2019). - "Theoretical prediction of a charge-transfer phase transition"
H. Tokoro, A. Namai, M. Yoshikiyo, R. Fujiwara, K. Chiba, S. Ohkoshi
Scientific Reports, 8, 63/1-11 (2018).
日経産業新聞 (2018.1.25) ; 化学工業日報 (1面) (2018.1.15) ; 科学新聞 (2018.1.26) で研究成果が紹介されました. また、Most read Scientific Report : Top 100 in Chemistry 2018 に選ばれました. - "Direct Observation of Chemical Conversion from Fe3O4 to ε‑Fe2O3 by a Nanosize Wet Process"
H. Tokoro, W. Tarora, A. Namai, M. Yoshikiyo, S. Ohkoshi
Chem. Mater., 30, 2888-2894 (2018).
- "Probing Transient Photoinduced Charge Transfer in Prussian Blue Analogues with Time-Resolved XANES and Optical Spectroscopy"
S. Zerdane, M. Cammarata, L. Balducci, R. Bertoni, L. Catala, S. Mazerat, T. Mallah, M. N. Pedersen, M. Wulff, K. Nakagawa,
H. Tokoro, S. Ohkoshi, E. Collet
Eur. J. Inorg. Chem., 3-4, 272-277 (2018).
Cover Picture and Cover Profile (interview), Selected as "very important paper". - "Second harmonic and terahertz generation in a Prussian-blue-analog"
A. Ould-Hamouda, A. Iazzolino, H. Tokoro, S. Ohkoshi, E. Freysz
Eur. J. Inorg. Chem., 3-4, 378-384 (2018). - "Highly oriented magnetic film composed of Ga-substituted ε-iron oxide and the angular dependence of the magnetic hysteresis loops"
M. Yoshikiyo, A. Namai, K. Imoto, H. Tokoro, S. Ohkoshi
Eur. J. Inorg. Chem., 7, 847-851 (2018).
Cover Picture and Cover Profile (interview), Selected as "very important paper". - "Vanadium pentacyanonitrosylmolybdate-based magnet exhibiting a high magnetic ordering temperature of 200 K"
S. Ohkoshi, K. Nakagawa, R. Yamada, M. Takemura, N. Ozaki, K. Tomono, K. Imoto, K. Nakabayashi, H. Tokoro, T. Taguchi, K. Okamoto, T. Ogino,M. Komine
Inorg. Chem. Commun., 91, 20-23 (2018). - "Cesium ion detection by terahertz light"
S. Ohkoshi, M. Yoshikiyo, A. Namai, K. Nakagawa, K. Chiba, R. Fujiwara, H. Tokoro
Scientific Reports, 7, 8088/1-8 (2017).
日経産業新聞 (2017.9.14) ; 日本経済新聞電子版 (2017.8.24) ; 日経速報ニュースアーカイブ (2017.8.24) ; 日経プレスリリース (2017.8.24) ;
日刊工業新聞 (2017.8.25) ; 化学工業日報 (2017.8.29) ; 科学新聞 (2017.9.8) で研究成果が紹介されました. - "Large coercive field of 45 kOe in a magnetic film based on metalsubstituted ε-iron oxide"
S. Ohkoshi, K. Imoto, A. Namai, S. Anan, M. Yoshikiyo, H. Tokoro
J. Am. Chem. Soc., 139, 13268-13271 (2017).
日経産業新聞 (2017.9.26) ; 日本経済新聞電子版 (2017.9.11) ; 化学工業日報 (2017.9.21) ; 科学新聞 (2017.9.22) で研究成果が紹介されました. - "Dielectric and optical constants of λ-Ti3O5 film measured by spectroscopic ellipsometry"
F. Hakoe, H. Tokoro, S. Ohkoshi
Mater. Lett., 188, 8-12 (2017). - "A novel oxalate-based three-dimensional coordination polymer showing magnetic ordering and high proton conductivity "
M. Mon, J. Vallejo, J. Pasán, O. Fabelo, C. Train, M. Verdaguer, S. Ohkoshi, H. Tokoro, K. Nakagawa, E. Pardo
Dalton Trans., 46, 15130-15137 (2017). - "Large optical third-order nonlinearities in a switchable Prussian blue analogue"
A. Ould-Hamouda, A. Iazzolino, H. Tokoro, S. Ohkoshi, E. Freysz
Opt. Mater. Express, 7, 444-453 (2017). - "Phonon mode calculation, Far- and Mid-infrared, and Raman spectra of ε-Ga0.5Fe1.5O3"
S. Ohkoshi, M. Yoshikiyo, Y. Umeta, M. Komine, R. Fujiwara, H. Tokoro, K. Chiba, T. Soejima, A. Namai, Y. Miyamoto, T. Nasu
J. Phys. Chem. C, 121, 5812-5819 (2017). - "First-principles calculations and optical absorption spectrum of a light-colored Al-substituted epsilon iron oxide magnet"
T. Nasu, M. Yoshikiyo, H. Tokoro, A. Namai, S. Ohkoshi
Eur. J. Inorg. Chem., 3, 531-534 (2017).
Cover Picture and Cover Profile (interview). - "Electronic structure and correlation in β-Ti3O5 and λ-Ti3O5 studied by Hard X-ray Photoelectron Spectroscopy"
K. Kobayashi, M. Taguchi, M. Kobata, K. Tanaka, H. Tokoro, H. Daimon, T. Okane, H. Yamagami, E. Ikenaga, S. Ohkoshi
Phys. Rev. B, 95, 085133/1-7 (2017). - "Mesoscopic bar magnet based on ε-Fe2O3 hard ferrites"
S. Ohkoshi, A. Namai, T. Yamaoka, M. Yoshikiyo, K. Imoto, T. Nasu, S. Anan, Y. Umeta, K. Nakagawa, H. Tokoro
Scientific Reports, 6, 27212/1-10 (2016).
日経産業新聞 (2016.6.15) ; 科学新聞 (2016.6.24) ; EETimes, Yahoo!ニュース (2016.6.13) で研究成果が紹介されました. - "Room-temperature photo-induced drastic color change in a cyanide-bridged Co–W bimetal assembly"
Y. Miyamoto, N. Ozaki, Y. Umeta, H. Tokoro, K. Nakabayashi and S. Ohkoshi
Dalton Trans., 45, 19249-19256 (2016).
Inside Front Cover Picture. - "The solvent effect on the structural and magnetic features of bidentate ligand-capped {Co(II)9[W(V)(CN)8]6} single-molecule magnets"
S. Chorazy, A. Hoczek, M. Kubicki, H. Tokoro, S. Ohkoshi, B. Siekluckaa, R. Podgajny
CrystEngComm, 18, 1495-1504 (2016).
Cover Picture. - "Self-Assembled Fibers Containing Stable Organic Radical Moieties: Alignment and Magnetic Properties in Liquid Crystals"
H. Eimura, Y. Umeta, H. Tokoro, M. Yoshio, S. Ohkoshi, T. Kato
Chem. Eur. J., 22, 8872-8878 (2016). - "Self-organized formationofsphericalporousgranulesonlybyone-step heat-treatment in MgO–Fe2O3–Nb2O5 system"
Y. Suzuki, H. Tokoro, H. Abe
Mater. Lett., 163, 43-46 (2016). - "External stimulation-controllable heat-storage ceramics"
H. Tokoro, M. Yoshikiyo, K. Imoto, A. Namai, T. Nasu, K. Nakagawa, N. Ozaki, F. Hakoe, K. Tanaka, K. Chiba, R. Makiura, K. Prassides, S. Ohkoshi
Nature Communications, 6, 7037 (2015).
ウォール・ストリート・ジャーナル(日本版), Yahoo!ニュース, 時事通信 (2015.5.12) ; 日経産業新聞, 電気新聞, 化学工業日報, 日刊工業新聞 (2015.5.13) ; 建設工業新聞 (2015.5.14) ; 環境新聞 (2015.5.20) ; 読売新聞 (2015.5.21) ; 化学工業日報 (2015.5.26) ; 科学新聞 (2015.5.29) ; 新エネルギー新聞, 日経テクノロジー (2015.6.1) ; 日経エレクトロニクス (2015年7月号) で研究成果が紹介されました. - "Nanometer-size hard magnetic ferrite exhibiting high opticaltransparency and nonlinear optical-magnetoelectric effect"
S. Ohkoshi, A. Namai, K. Imoto, M Yoshikiyo, W. Tarora, K. Nakagawa, M. Komine, Y. Miyamoto, T. Nasu, S. Oka, H. Tokoro
Scientific Reports, 5, 14414/1-9 (2015).
化学工業日報, 日刊工業新聞 (2015.10.7) ; 科学新聞 (2016.3.18) ; 金属時評 (2015.11.5) で研究成果が紹介されました. - "ZetaFe2O3 – A new stable polymorph in iron(III) oxide family"
J. Tuček, L. Machala, S. Ono, A. Namai, M. Yoshikiyo, K. Imoto, H. Tokoro, S. Ohkoshi, R. Zbořil
Scientific Reports, 5, 15091/1-11 (2015). - "Multifunctional material: bistable metal-cyanide polymer of rubidium manganese hexacyanoferrate"
H. Tokoro and S. Ohkoshi
Bull. Chem. Soc. Jpn., 88, 227-239 (2015).
Back Cover Picture. - "Structural phase transition between γ-Ti3O5 and δ-Ti3O5 by breaking
of one-dimensionally conducting pathway"
K. Tanaka, T. Nasu, Y. Miyamoto, N. Ozaki, S. Tanaka, T. Nagata, F. Hakoe, M. Yoshikiyo, K. Nakagawa, Y. Umeta, K. Imoto, H. Tokoro, A.
Namai, S. Ohkoshi
Cryst. Growth Des., 15, 653-657 (2015). - "Magnetic ground state of nanosized β-Fe2O3 and its remarkable electronic features"
O. Malina, J. Tuček, P. Jakubec, J. Kašlík, I. Medřík, H. Tokoro, M. Yoshikiyo, A. Namai, S. Ohkoshi and R. Zbořil
RSC Adv., 5, 49719-49727 (2015). - "90-degree optical switching of output second harmonic light in chiral photomagnet"
S. Ohkoshi, S. Takano, K. Imoto, M. Yoshikiyo, A. Namai, H. Tokoro
Nature Photonics, 8, 65-71 (2014).
Top Cover Picture and Interviewed by Nature Photonics (8, 80 (2014)). - "Humidity dependency of the thermal phase transition of a cyano-bridged
Co-W bimetal assembly"
N. Ozaki, H. Tokoro, Y. Miyamoto, S. Ohkoshi
New J. Chem., 38, 1950-1954 (2014). - "Atypical Stoichiometry for a 3D Bimetallic Oxalate-Based Long-range Ordered Magnet Exhibiting High Proton Conductivity"
C. Maxim, S. Ferlay, H. Tokoro, S. Ohkoshi, C. Train,
Chem. Commun., 50, 5629-5632 (2014). - "Ultrafast dynamics of photoinduced semiconductor-to-metal transition in the optical switching nano-oxide Ti3O5"
A. Asahara, H. Watanabe, H. Tokoro, S. Ohkoshi, T. Suemoto
Phys. Rev. B, 8, 014303/1-7 (2014). - "Single-shot time resolved study of the photo-reversible phase transition induced in flakes of Ti3O5 nanoparticles at room temperature"
A. Ould-Hamouda, H. Tokoro, S. Ohkoshi, E. Freysz,
Chem. Phys. Lett., 608, 106-112 (2014). - "Water and alcohol vapor sensitivity and calorimetric study on
magnetic octacyano-bridged bimetallic assemblies"
H. Tokoro and S. Ohkoshi
Current Inorganic Chemistry, 4, 100-109 (2014).
Top Cover Picture and Editor's Choice. - "Domain growth and aggregation dynamics in photo-induced phase transition phenomena"
H. Watanabe, S. Ishige, A. Asahara, H. Tokoro, S. Ohkoshi, T. Suemoto
J. Luminescence, 152, 108-111 (2014). - "Spin-reorientation transition in epsilon-In0.24Fe1.76O3 nanowires"
A.I. Dmitriev, O.V. Koplak, A. Namai, H. Tokoro, S. Ohkoshi, R.B. Morgunov
Phys. Solid. State., 56, 1795-1798 (2014). - "Hard magnetic ferrite: ε-Fe2O3"
S. Ohkoshi and H. Tokoro
Bull. Chem. Soc. Jpn., 86, 897-907 (2013). - "Probing of local structures of thermal and photoinduced phases in rubidium manganese hexacyanoferrate by resonant Raman spectroscopy"
R. Fukaya, A. Asahara, S. Ishige, M. Nakajima, H. Tokoro, S. Ohkoshi, T. Suemoto
J. Chem. Phys., 139, 084303/1-7 (2013). - "Room-temperature thermally induced relaxation effect in a two-dimensional cyano-bridged Cu-Mo bimetal assembly and thermodynamic analysis of the relaxation process"
Y. Umeta, H. Tokoro, N. Ozaki, S. Ohkoshi
AIP Advance, 3, 042133/1-6 (2013). - "Influence of zeolite water on paramagnetic and ferromagnetic resonances in the Co2[Nb(CN)8)]·8H2O molecular magnet"
A.I. Dmitriev, O.V. Koplak, M.V. Kirman, H. Tokoro, S. Ohkoshi, R.B. Morgunov
Phys. Solid. State., 55, 1663-1667 (2013). - "Influence of dehydration on the electron spin resonance in the Cu3[W(CN)8)]2(Pyrimidine)2·8H2O molecular magnet"
O.V. Koplak, M.V. Kirman, A.I. Dmitriev, H. Tokoro, S. Ohkoshi, R.B. Morgunov
Phys. Solid. State., 55, 990-994 (2013). - "Photomagnetism in cyano-bridged bimetal assemblies"
S. Ohkoshi and H. Tokoro
Acc. Chem. Res., 45, 1749-1758 (2012). - "Zero thermal expansion fluid and oriented film based on a bistable metal-cyanide polymer"
H. Tokoro, K. Nakagawa, K. Imoto, F. Hakoe, S. Ohkoshi
Chem. Mater., 24, 1324-1330 (2012). - "Photo-induced magnetization with a high Curie temperature and a large coercive field in a Co-W
bimetallic assembly"
N. Ozaki, H. Tokoro, Y. Hamada, A. Namai, T. Matsuda, S. Kaneko, S. Ohkoshi
Adv. Funct. Mater., 20, 2089-2093 (2012). - "Magnetic dimensional crossover from two- to three-dimensional Heisenberg magnetism in a
Cu-W cyano-bridged bimetal assembly"
R. Yamada, H. Tokoro, N. Ozaki, S. Ohkoshi
Cryst. Growth Des., 12, 2013-2017 (2012). - "Hard magnetic ferrite with a gigantic coercivity and high frequency millimetre wave rotation"
A. Namai, M. Yoshikiyo, K. Yamada, S. Sakurai, T. Goto, T. Yoshida, T. Miyazaki, M. Nakajima,
T. Suemoto, H. Tokoro, S. Ohkoshi
Nature Communications, 3, 1035 (2012). - "Three-dimensional ordered arrays of 58 × 58 × 58 Å3 hollow frameworks in organic-inorganic
Ionic Crystals Based on Heterometallic Substituted Polyoxometalates"
K. Suzuki, Y. Kikukawa, S. Uchida, H. Tokoro, K. Imoto, S. Ohkoshi, N. Mizuno
Angew. Chem. Int. Ed., 51, 1597-1601 (2012). - "Multiferroics by rational design: implementing ferroelectricity in molecule-based magnets"
E. Pardo, C. Train, H. Liu, L.M. Chamoreau, B. Dkhil, K. Boubekeur, F. Lloret, K. Nakatani,
H. Tokoro, S. Ohkoshi, M. Verdaguer
Angew. Chem. Int. Ed., 51, 8356-8360 (2012). - "Supramolecular approach to the formation of magnetoactive physical gels"
Y. Wu, Y. Hirai, Y. Tsunobuchi, H. Tokoro, H. Eimura, M. Yoshio, S. Ohkoshi, T. Kato
Chem. Sci., 3, 3007-3010 (2012). - "Spectroscopic and magnetic properties of the metastable states in the coordination network
[{Co(prm)2}2{Co(H2O)2}{W(CN)8}2]×4H2O (prm=pyrimidine)"
R. L. Bris, Y. Tsunobuchi, C. Mathonière, H. Tokoro, S. Ohkoshi, N. Ould-Moussa, G. Molnar,
A. Bousseksou, J. F. Létard
Inorg. Chem., 51, 2852-2859 (2012). - "A cyano-bridged vanadium-niobium bimetal assembly exhibiting a high Curie temperature of 210 K"
K. Imoto, M. Takemura, H. Tokoro, S. Ohkoshi
Eur. J. Inorg. Chem., 2649-2652 (2012). - "The phase transition of ε-InxFe2-xO3 nanomagnets with a large thermal hysteresis loop"
K. Yamada, H. Tokoro, M. Yoshikiyo, T. Yorinaga, A. Namai, and S. Ohkoshi
J. Appl. Phys., 111, 07B506/1-3 (2012). - "Novel magnetic functionalities of Prussian blue analogs"
H. Tokoro and S. Ohkoshi
Dalton Trans., 40, 6825-6833 (2011). - "Ultrafast dynamics of reversible photoinduced phase transitions in rubidium manganese hexacyanoferrate
investigated by midinfrared CN vibration spectroscopy"
A. Asahara, M. Nakajima, R. Fukaya, H. Tokoro, S. Ohkoshi, T. Suemoto
Phys. Rev. B, 86, 195138/1-9 (2012). - "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, 013520/1-8 (2011). - "High proton conduction in a chiral ferromagnetic metal-organic quartz-like framework"
E. Pardo, C. Train, G. Gontard, K. Boubekeur, O. Fabelo, H. Liu, B. Dkhil, F. Lloret, K. Nakagawa,
H. Tokoro, S. Ohkoshi, M. Verdaguer
J. Am. Chem. Soc., 133, 15328-15331 (2011). - "Light-induced spin-crossover magnet"
S. Ohkoshi, K. Imoto, Y. Tsunobuchi, S. Takano, H. Tokoro
Nature Chemistry, 3, 564-569 (2011). - "Nanoscale effects on the stability of the λ-Ti3O5 polymorph"
R Makiura, Y. Takabayashi, A.N. Fitch, H. Tokoro, S. Ohkoshi, K. Prassides
Chem. Asian J., 6, 1886-1890 (2011). - "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., 4079-4082 (2010). - "High proton conductivity in Prussian blue analogues and the interference effect by magnetic ordering"
S. Ohkoshi, K. Nakagawa, K. Tomono, K. Imoto, Y. Tsunobuchi, H. Tokoro
J. Am. Chem. Soc., 132, 6620-6621 (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, 685-689 (2010). - "Synthesis of a metal oxide with a room-temperature photo reversible phase transition"
S. Ohkoshi, Y. Tsunobuchi, T. Matsuda, K. Hashimoto, A. Namai, F. Hakoe, H. Tokoro
Nature Chemistry,2, 539-545 (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, 045006/1-5 (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, 074801/1-4 (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, 338-339 (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, 15049-15054 (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, 064414/1-6 (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, 064420/1-4 (2009). - "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, 15751-15755 (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, 013602/1-4 (2009). - "Photoinduced charge-transfer process in rubidium manganese hexacyanoferrate"
R. Fukaya, M. Nakajima, H. Tokoro, S. Ohkoshi, T. Suemoto
J. Chem. Phys., 131, 154505/1-9 (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, 1746-1749 (2009). - "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, 014105/1-12 (2008). - "Observation of ferroelectricity in paramagnetic copper octacyanomolybdate"
K. Nakagawa, H. Tokoro, S. Ohkoshi
Inorg. Chem.,47, 10810-10812 (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, 014303/1-9 (2008). - "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, 423-428 (2008). - "Phase collapse caused by blue-light irradiation in a cyanobridged coordination polymer"
H. Tokoro, S. Ohkoshi
Appl. Phys. Lett., 93, 021906/1-3 (2008). - "Continuous change of second-order nonlinear optical activity in a cyano-bridged coordination polymer"
S. Ohkoshi, S. Saito, T. Matsuda, T. Nuida, H. Tokoro
J. Phys. Chem. C, 112, 13095-13098 (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, 067206/1-4 (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, 3048-3054 (2008). - "3D coordination metal-organic frameworks of octacyanometalate bridging between Cu4 magnetic units"
Z.X. Wang, X.L. Li, H. Tokoro, B.L. Liu, P. Zhang, S. Ohkoshi, K. Hashimoto, Y. Song, X.Z. Yo
Dalton Trans., 2103-2106 (2008). - "Poly-[hexacyano-manganese(II)Iron(III) pentahydrate]"
T. Matsuda, H. Tokoro, M. Shiro, K. Hashimoto, S. Ohkoshi
Acta Cryst. E, 64, i11-i12 (2008). - "Extended charge-transfer state of RbMn[Fe(CN)6]"
K. Kato, Y. Moritomo, H. Tanaka, H. Tokoro, S. Ohkoshi, M. Takata
J. Phys. Soc. Jpn., 76, 123602/1-3 (2007). - "Thermal spin transition investigated by spectroscopic ellipsometry in [Fe(NH2-trz)3]Br2"
E.D. Loutete-Dangui, F. Varret, E. Codjovi, P.R. Dahoo, H. Tokoro, S. Ohkoshi, C. Eypert , J.F. Létard,
J.M. Coanga, K. Boukheddaden
Phys. Rev. B, 75, 184425/1-7 (2007). - "Coexistence of ferroelectricity and ferromagnetism in a rubidium manganese hexacyanoferrate"
S. Ohkoshi, H. Tokoro, T. Matsuda, H. Takahashi, H. Irie, K. Hashimoto
Angew. Chem. Int. Ed., 46, 3238-3241 (2007). - "Single crystal of a Prussian blue analog based on rubidium manganese hexacyanoferrate"
H. Tokoro, M. Shiro, K. Hashimoto, S. Ohkoshi
Z. Anorg. Allg. Chem., 633, 1134-1136 (2007). - "Photo-induced charge transfer phase transition of rubidium manganese hexacyanoferrate
in ferromagnetic and paramagnetic states"
H. Tokoro, K. Hashimoto, S. Ohkoshi
J. Magn. Magn. Mater., 310, 1422-1428 (2007). - "Synthesis, crystal structure, and magnetic properties of ε-InxFe2−xO3 nanorod-shaped magnets"
S. Sakurai, S. Kuroki, H. Tokoro, K. Hashimoto, S. Ohkoshi
Adv. Funct. Mater., 17, 2278-2282 (2007). - "Calorimetric investigation of equilibrium and thermal relaxation properties of the switchable Prussian
blue analog Na0.32Co[Fe(CN)6]0.74·3.4H2O"
M. Castro, J.A. Rodríguez-Velamazán, K. Boukheddaden, F. Varret, H. Tokoro, S. Ohkoshi
Eur. Phys. Lett., 79, 27007/1-6 (2007). - "Numerical study on structure of metastable states in Prussian blue analogues and their dynamical aspects"
Y. Konishi, H. Tokoro, M. Nishino, S. Miyashita
J. Magn. Magn. Mater., 310, 1613-1614 (2007). - "Photo-induced charge transfer phase transition in cesium manganese hexacyanoferrate"
T. Matsuda, H. Tokoro, K. Hashimoto, S. Ohkoshi
J. Appl. Phys., 101, 09E101/1-3 (2007). - "Nonlinear magneto-optical effects and photomagnetism of electrochemically synthesized
molecule-based magnets"
T. Nuida, T. Hozumi, H. Tokoro, K. Hashimoto, S. Ohkoshi
J. Solid State Electrochem., 11, 763-772 (2007). - "Huge thermal hysteresis loop and a hidden stable phase in a charge-transfer phase transition of
Rb0.64Mn[Fe(CN)6]0.88·1.7H2O"
H. Tokoro, S. Miyashita, K. Kazuhito, S. Ohkoshi
Phys. Rev. B, 73, 172415/1-4 (2006). - "Crystal structures of photo-induced phase and rapidly-cooled phase in Rb0.73Mn[Fe(CN)6]0.91·1.4H2O
Prussian blue analog"
H. Tokoro, T. Matsuda, S. Miyashita, K. Hashimoto, S. Ohkoshi
J. Phys. Soc. Jpn., 75, 85004/1-2 (2006). - "Magnetic properties and metastable states in spin-crossover transition of Co-Fe Prussian blue analogues"
Y. Konishi, H. Tokoro, M. Nishino, S. Miyashita
J. Phys. Soc. Jpn., 75, 114603/1-9 (2006). - "Photoinduced magnetization in copper octacyanomolybdate"
S. Ohkoshi, H. Tokoro, T. Hozumi, Y. Zhang, K. Hashimoto, C. Mathoniere, I. Bord, G. Rombaut,
M. Verelst, C.C.d. Moulin, F. Villain
J. Am. Chem. Soc., 128, 270-277 (2006). - "Charge-transfer phase transition and zero thermal expansion in caesium manganese hexacyanoferrates"
T. Matsuda, H. Tokoro, K. Hashimoto, S. Ohkoshi
Dalton Trans., 5046-5050 (2006). - "Optical switching between bistable phases in rubidium manganese hexacyanoferrate at room temperature"
H. Tokoro, T. Matsuda, K. Hashimoto, S. Ohkoshi
J. Appl. Phys., 97, 10M508/1-3 (2005). - "Magnetic and mossbauer investigation of the photomagnetic Prussian blue analogue
Na0.32Co[Fe(CN)6]0.74·3.4H2O: Cooperative relaxation of the thermally quenched state"
S. Gawali-Salunke, F. Varret, I. Maurin, C. Enachescu, M. Malarova, K. Boukheddaden, E. Codjovi,
H. Tokoro, S. Ohkoshi, K. Hashimoto
J. Phys. Chem. B, 109, 8251-8256 (2005). - "A surprisingly large thermal hysteresis loop in a reversible phase transition of RbxMn[Fe(CN)6](x+2)/3·zH2O"
S. Ohkoshi, T. Matsuda, H. Tokoro, K. Hashimoto
Chem. Mater., 17, 81-84 (2005). - "The dielectric constant in a thermal phase transition magnetic material composed of
rubidium manganese hexacyanoferrate observed by spectroscopic ellipsometry"
S. Ohkoshi, T. Nuida, T. Matsuda, H. Tokoro, K. Hashimoto
J. Mater. Chem., 15, 3291-3295 (2005). - "Structure of metastable states in phase transitions with high-spin low-spin degree of freedom"
S. Miyashita, Y. Konishi, H. Tokoro, M. Nishino, K. Boukheddaden, F. Varret
Prog. Theor. Phys., 114, 719-735 (2005). - "Nonlinear magnetooptical effects caused by piezoelectric ferromagnetism in F3m-type Prussian blue analogues"
T. Nuida, T. Matsuda, H. Tokoro, S. Sakurai, K. Hashimoto, S. Ohkoshi
J. Am. Chem. Soc., 127, 11604-11605 (2005). - "Colored magnetic films composed of cyano-bridged metal assemblies and magneto-optical functionalities"
T. Nuida, T. Hozumi, W. Kosaka, S. Sakurai, S. Ikeda, T. Matsuda, H. Tokoro, K. Hashimoto, S. Ohkoshi
Polyhedron, 24, 2901-2905 (2005). - "Light-induced thermal hysteresis and intensity thresholds in molecular switcheable solids,
by mean-field macroscopic master equation approach: Discussion of the experimental data
obtained for Co-Fe Prussian blue analogues"
F. Varret, K. Boukheddaden, E. Codjovi, I. Maurin, H. Tokoro, S. Ohkoshi, K. Hashimoto
Polyhedron,24, 2857-2863 (2005). - "A large thermal hysteresis loop produced by a charge-transfer phase transition in
a rubidium manganese hexacyanoferrate"
H. Tokoro, S. Ohkoshi, T. Matsuda, K. Hashimoto
Inorg. Chem., 43, 5231-5236 (2004). - "Magnetic specific heat of the low-temperature phase of rubidium manganese hexacyanoferrate"
H. Tokoro, S. Ohkoshi, T. Matsuda, T. Hozumi, K. Hashimoto
Chem. Phys. Lett., 388, 379-383 (2004). - "One-shot-pulse-induced demagnetization in rubidium manganese hexacyanoferrate"
H. Tokoro, S. Ohkoshi, K. Hashimoto
Appl. Phys. Lett., 82, 1245-1247 (2003). - "Direct observation of charge transfer in double-perovskite-like RbMn[Fe(CN)6] "
K. Kato, Y. Moritomo, M. Takata, M. Sakata, M. Umekawa, N. Hamada, S. Ohkoshi,
H. Tokoro, K. Hashimoto
Phys. Rev. Lett.,91, 255502/1-4 (2003). - "Ferromagnetic spin-ordering in photo-active RbMn[Fe(CN)6] "
Y. Moritomo, A. Kuriki, K. Ohoyama, H. Tokoro, S. Ohkoshi, K. Hashimoto, N. Hamada
J. Phys. Soc. Jpn., 72, 456-457 (2003). - "Pressure- and photoinduced transformation into a metastable phase in RbMn[Fe(CN)6] "
Y. Moritomo, M. Hanawa, Y. Ohishi, K. Kato, M. Takata, A. Kuriki, E. Nishibori, M. Sakata,
S. Ohkoshi, H. Tokoro, K. Hashimoto
Phys. Rev. B, 68, 144106/1-7 (2003). - "Thermal transition of RbMnFe(CN)6 observed by x-ray emission and absorption spectroscopy"
H. Osawa, T. Iwazumi, H. Tokoro, S. Ohkoshi, K. Hashimoto, H. Shoji, E. Hirai, T. Nakamura,
S. Nanao, Y. Isozumi
Solid State Commun.,125, 237-241 (2003). - "Structural transition induced by charge-transfer in RbMn[Fe(CN)6]"
Y. Moritomo, K. Kato, A. Kuriki, M. Taketa, M. Sakata, H. Tokoro, S. Ohkoshi, K. Hashimoto
J. Phys. Soc. Jpn.,71, 2078-2081 (2002). - "Photoinduced phase transition of RbMnFe(CN)6 studied by x-ray-absorption fine structure spectroscopy"
T. Yokoyama, H. Tokoro, S. Ohkoshi, K. Hashimoto, K. Okamoto, T. Ohta
Phys. Rev. B,66, 184111/1-10 (2002). - "Observation of spin transition in an octahedrally coordinated manganese(II) compound"
S. Ohkoshi, H. Tokoro, M. Utsunomiya, M. Mizuno, M. Abe, K. Hashimoto
J. Phys. Chem. B, 106, 2423-2425 (2002). - "The photo-catalytic mechanism for formaldehyde by carbonized TiO2-woody composites"
H. Tokoro, S. Saka
Mater. Sci. Res. Int., 7, 132-137 (2001).
Proceedings(査読付)
- "Rubidium Manganese Hexacyanoferrate Solid Solutions: Towards Hidden Phases"
J.F. Létard, G. Chastanet, H. Tokoro, S. Ohkoshi
Current Inorganic Chemistry, 6, 34-39 (2016). - "Sol–gel synthesis of nanosized λ-Ti3O5 crystals"
T. Nasu, H. Tokoro, K. Tanaka, F. Hakoe, A. Namai, S. Ohkoshi
Materials Science and Engineering, 54, 012008/1-8 (2014). - "Observation of π backbonding features appearing in Fe 2p X-ray absorption spectra and Fe 1s-4p-1s resonant X-ray emission spectra of RbMn[Fe(CN)6]"
Y. Kitajima, Y. Nanba, M. Tanaka, Y. Koga, A. Ueno, K. Nakagawa, H. Tokoro, S. Ohkoshi, T. Iwazumi,
K. Okada, Y. Isozumi
J. Phys., 430, 012082/1-4 (2013). - "Growth dynamics of photoinduced phase domain in cyano-complex studied by boundary sensitive
Raman spectroscopy"
A. Asahara, M. Nakajima, R. Fukaya, H. Tokoro, S. Ohkoshi, T. Suemoto
Acta Phys. Pol. A, 121, 375-378 (2012). - "Dynamics of photoinduced phase transitions in hexacyanoferrate studied by infrared and Raman
spectroscopy”
T. Suemoto, R. Fukaya, A. Asahara, M. Nakajima, H. Tokoro, S. Ohkoshi
Phys. Status Solidi B, 248, 477-481 (2011). - "Effect of lattice deformation on photoinduced phase transition process in RbMn[Fe(CN)6] "
R. Fukaya, M. Nakajima, H. Tokoro, S. Ohkoshi, T. Suemoto
Phys. Status Solidi B, 248, 482-485 (2011). - "Photo-induced phase switching dynamics in RbMn[Fe(CN)6] probed by accumulation free mid-infrared
spectroscopy"
A. Asahara, M. Nakajima, R. Fukaya, H. Tokoro, S. Ohkoshi, T. Suemoto
Phys. Status Solidi B, 248, 491-494 (2011). - "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, 1775-1778 (2009). - "First observation of soft x-ray induced phase transition of RbMn[Fe(CN)6] studied by Fe L-edge
x-ray absorption spectroscopy"
Y. Kitajima, K. Ishiji, T. Matsuda, H. Tokoro, S. Ohkoshi, T. Iwazumi
J. Phys., 148, 012032 (2009). - "Observation of x-ray-induced phase transition of cesium manganese hexacyanoferrate"
K. Ishiji, M. Deguchi, N. Nakajima, T. Matsuda, H. Tokoro, S. Ohkoshi, T. Iwazumi
J. Phys., 148, 012046 (2009). - "Temperature dependence of photoinduced valence changes in rubidium manganese hexacyanoferrate
probed by Raman spectroscopy"
R. Fuakaya, M. Nakajima, H. Tokoro, S. Ohkoshi, T. Suemoto
J. Phys., 148, 012030 (2009). - "New type of ordering process with volume change of molecules in the spin-crossover transition,
and its new aspects of dynamical processes"
S. Miyashita, M. Nishino, Y. Konishi, H. Tokoro, K. Boukheddaden, F. Varret, P.A. Rikvold
J. Phys., 148, 012027 (2009). - "Raman study of the charge transferred metastable state leading to the photoinduced magnetic phase
transition in rubidium manganese hexacyanoferrate"
R. Fukaya, K. Ohki, M. Nakajima, H. Tokoro, S. Ohkoshi, T. Suemoto
Physica Prosedia, 2, 415-429 (2009). - "Observation of a phase transition of cesium manganese hexacyanoferrates by x-ray
absorption spectroscopy"
K. Ishiji, T. Iwazumi, T. Matsuda, H. Tokoro, K. Hashimoto, S. Ohkoshi
J. Phys. Chem. Solids, 68, 2158-2161 (2007).
解説・総説
- "Introduction to order, disorder and ultrafast phenomena in functional solids"
H. Tokoro,* E. Collet,* E. Pastor*
Mater. Advances, in press. - "プルシアンブルー磁性薄膜における磁気ドメインと温度誘起磁化反転の観察"
所裕子
応用物理,93(8), 472-478 (2024). - "圧力応答型蓄熱特性を示すラムダ型五酸化三チタン"
所裕子, 大越慎一
Netsu Sokutei,51(2), 63-69 (2024). - "ヘキサシアノ金属錯体における電荷移動型構造相転移の理論的予測"
所裕子、大越慎一
理論化学会誌:フロンティア,2(2), 46-52 (2020). - "固体-固体相転移を利用した蓄熱セラミックスの開発"
大越慎一、生井飛鳥、所裕子
化学工学会誌 特集:蓄熱技術の最前線と社会実装への挑戦,83(9), 506-509 (2019). - "超高周波磁性材料としてのイプシロン酸化鉄"
大越慎一、生井飛鳥、吉清まりえ、所裕子
まぐね,14, 1-8 (2019). - "黒色酸化チタンのナノ微粒子化に関する研究"
所裕子、吉清まりえ、井元健太、生井飛鳥、奈須義総、中川幸祐、千葉貢治、大越慎一
NanotechJapan Bulletin,10(3), (2017). - "蓄熱セラミックスの発見"
所裕子、大越慎一
Fine Ceramics Report,34(1) (冬号), 14-18 (2016). - "蓄熱セラミックスと外場スイッチング機能"
大越慎一、所裕子
建築設備と配管工事,54(11), 5-9 (2016). - "熱エネルギーを保存するセラミックス"
大越慎一、所裕子
化学,71,31-36 (2016). - "熱エネルギーを保持する材料"
大越慎一、所裕子
現代化学,5, 62-65 (2016). - "Dynamics of Photoinduced Phase Transitions in a Prussian Blue Analog Studied by CN Vibrational Spectroscopy"
T. Suemoto, R. Fukaya, A. Asahara, H. Watanabe, H. Tokoro, S. Ohkoshi
Current Inorganic Chemistry, 6, 10-25 (2016). - "蓄熱できるセラミックスの開発"
所裕子、大越慎一
エネルギーデバイス,3(2),55-58 (2015). - "集積型シアノ金属錯体に現れる光誘起相転移"
所裕子、大越慎一
応用物理,84,530-535 (2015). - "光照射によるスピン転移"
所裕子、大越慎一
光アライアンス,26,10-16 (2015). - "スピンクロスオーバー光磁性体"
所裕子、井元健太、大越慎一
O plus E,35,733-736 (2013). - "光磁性体"
所裕子、大越慎一
固体物理,1,15-23 (2012). - "Durability of reversible photo-induced metal-to-semiconductor phase transitions on λ-Ti3O5"
H. Tokoro, F. Hakoe, Y. Umeta, T. Nagata, K. Tanaka, T. Nasu, A. Namai, S. Ohkoshi
Proceedings of the 24rd Symposium on Phase Change Oriented Science, 9-12 (2012). - "相転移化学を基盤とした新機能ナノ構造物質のボトムアップ創製"
所裕子、大越慎一
化学工業,63,28-35 (2012). - "光スイッチング磁石"
所裕子、井元健太、大越慎一
工業材料,60,17-19 (2012). - "ラムダ型Ti3O5における可逆的な光相転移の繰り返し耐久性"
所裕子、箱江史吉、梅田喜一、永田利明、田中研二、奈須義総、生井飛鳥、橋本和仁、大越慎一
光触媒,37,70-73 (2012). - "Thermodynamic study on λ-Ti3O5 exhibiting a light-induced metal-semiconductor transition"
H. Tokoro and S. Ohkoshi
Proceedings of the 23rd Symposium on Phase Change Optical Information Storage, 30-33 (2011). - "光照射により金属-半導体に相転移する新種の金属酸化物・ラムダ型五酸化三チタン"
所裕子、大越慎一
レーザー加工学会誌,18,48-52 (2011). - "光誘起金属-半導体転移を示す新種酸化チタンの創製"
大越慎一、生井飛鳥、所裕子
マテリアルステージ,10,17 (2011). - "光誘起金属-半導体転移を示すλ-Ti3O5の統計熱力学的考察"
大越慎一、角渕由英、生井飛鳥、箱江文吉、所裕子、橋本和仁
光触媒,35,28-33 (2011). - "新奇酸化チタンナノ微粒子からなる光相転移材料の創製"
大越慎一、角渕由英、松田智行、橋本和仁、生井飛鳥、箱江文吉、所裕子
光触媒,31,58-61 (2010). - "Photo-rewritable material based on a metal oxide"
S. Ohkoshi, Y. Tsunobuchi, K. Hashimoto, A. Namai, F. Hakoe, H. Tokoro
Proceedings of the 22nd Symposium on Phase Change Optical Information Storage, 13-14 (2010). - “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,1-8 (2009). - "Temperature- and photo-induced phase transition in rubidium manganese hexacyanoferrate"
S. Ohkoshi, H. Tokoro, K. Hashimoto
Coord. Chem. Rev., 249, 1830-1840 (2005).
著書(分担執筆)
- "圧力応答型蓄熱特性を示すラムダ型五酸化三チタン"
所裕子、大越慎一
熱測定 (Netsu Sokutei) ,日本熱測定学会,51(2), 63-69 (2024). - 田中宗、轟木義一、田村亮、白井達彦、所裕子
弱点克服 大学生の熱力学,東京図書,(2021). - "Temperature- and photo-induced spin-crossover magnet"
Hiroko Tokoro, Kenta Imoto, Shin-ichi Ohkoshi
Chemical applications of Mössbauer spectroscopy, Wiley-VCH, in press. - "金属酸化物相転移物質と外場誘起機能性"
所裕子、大越慎一
CSJカレントビュー 有機・無機材料の相転移ダイナミクス,化学同人,118-125 (2020). - "固体-固体相転移蓄熱セラミックス"
所裕子、大越慎一
蓄熱システム/蓄熱材料の実用化技術,S&T出版,62-71 (2018). - "長期的に熱エネルギー保存できる蓄熱セラミックス"
大越慎一、所裕子
フォノンエンジニアリング ~マイクロ・ナノスケールの次世代熱制御技術~,(株)エヌ・ティー・エス,225-234 (2017). - "Molecular photomagnets"
C. Mathonière, H. Tokoro, S. Ohkoshi
Molecular Magnetic Materials, Wiley-VCH, 323-344 (2016). - "Temperature-induced and photo-induced phase transition in a bistable metal-cyanide polymer"
H. Tokoro and S. Ohkoshi
Handbook of Nano-optics and Nanophotonics, Springer, 693-727 (2013). - "Photo-induced charge-transfer-type phase transitions in rubidium manganese hexacyanoferrate"
H. Tokoro and S. Ohkoshi
Molecular Electronic and Related Materials-Control and Probe with Light,
Transworld Research Network, 203-221 (2010). - "Photo-induced phase transition in RbMnFe Prussian blue analog-based magnet"
H. Tokoro and S. Ohkoshi
Progrss in Nano Electro-Optics VII; Springer Series in Optical Science, Springer, 155, 1-35 (2009). - "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,128-136 (2009).
成立(登録)特許
- 中国特許 CN.ZL202080068448.0
- 欧州特許 EP4039650
- 欧州特許 EP2990382
- 韓国特許 KR102538204
- 日本国特許 特許第5036443号
- 日本国特許 特許第5398025号
- 米国特許 US8535816
- 欧州特許 EP2371767
- フランス特許 FR2371767
- ドイツ特許 DE2371767
- 日本国特許 特許第5549939号
- 米国特許 US8609261
- 欧州特許 EP2374759
- フランス特許 FR2374759
- ドイツ特許 DE2374759
- 日本国特許 特許第5521216号
- 日本国特許 特許第5736664号
- 日本国特許 特許第5733736号
- 中国特許 CN.ZL201180025
- 欧州特許 EP11783353.3
- 韓国特許 KR101834583
- 米国特許 US9079782
- 日本国特許 特許第5700622号
- 日本国特許 特許第5419049号
- 米国特許 US9005569
- 日本国特許 特許第5574294号
- 日本国特許 特許第5626729号
- 米国特許 US9916922
- 中国特許 CN.ZL201480023656.3
- 日本国特許 特許第6133749号
- 日本国特許 特許第6198131号
- 日本国特許 特許第6080026号
- 日本国特許 特許第6241844号
- 米国特許 US10099941
- 中国特許 CN.ZL201680006259.4
- 日本国特許 特許第6756483号
特許出願
- 欧州特許出願EP20872860.0
- 韓国特許出願KR20217027731
- PCT/JP2020/005355
- 特願2019-181072
- 特願2019-024026
- 特願2018-028091
- 特願2017-232875
- 特願2016-009190
- 特願2016-006230
- 米国特許出願US15/544147
- 欧州特許出願EP16740118.1
- 中国特許出願CN201680006259.4
- PCT/JP2016/051304
- PCT/JP2016/076049
- PCT/JP2015/067664
- PCT/JP2015/067669
- 米国特許出願US15/318783
- 欧州特許出願EP15808905.2
- 中国特許出願CN201580031492.3
- 特願2015-175989
- 特願2015-062084
- 特願2015-048241
- 特願2015-008160
- 特願2014-124948
- PCT/JP2014/061585
- 米国特許出願US14/787186
- 欧州特許出願EP14788025.6
- 中国特許出願CN201480023656.3
- 米国特許出願US15/026290
- 欧州特許出願EP14850826
- 特願2015-5540579
- 特願2013-214154
- 特願2013-213154
- PCT/JP2014/076667
- 特願2013-209102
- 特願2013-209103
- 特願2013-094467
- 特願2011-262329
- PCT/JP2011/059344
- PCT/JP2011/059343
- PCT/JP2010/070692
- 米国特許出願US13/699082
- 中国特許出願CN201180025163.X
- 欧州特許出願EP11783353.3
- 韓国特許出願KR20127033279
- PCT/JP2011/059345
- 特願2010-286599
- 特願2011-543234
- 米国特許出願US13/511447
- 特願2010-247562
- 特願2010-247560
- 特願2010-117343
- 特願2010-117342
- 特願2010-105973
- 特願2010-000021
- 特願2010-541303
- 米国特許出願US13/127175
- 欧州特許出願EP09830342.3
- 特願2009-268240
- PCT/JP2009/62677
- 特願2010-543946
- 米国特許出願US13/131688
- 欧州特許出願EP09834572.1
- 特願2008-330752
- PCT/JP2009/69973
- 特願2008-309378
- 特願2007-199520
外部資金
- 科学研究費 基盤研究(B) 研究代表者,2022-2025年度
- 科学技術振興機構(JST) 創発的研究支援事業, 研究代表者, 2022-2029年度
- 科学研究費 新学術領域「配位アシンメトリー」, 計画班員(研究代表者), 2016-2020年度
- 科学研究費 若手(A) 研究代表者,2014-2017年度
- 最先端・次世代研究開発支援(NEXT)プログラム 研究代表者,2011-2014年度
- 科学技術振興機構さきがけ研究「物質と光作用」 研究代表者, 2007-2010年度
- 科学研究費補助金(特別研究員奨励費), 研究代表者, 2005-2008年度