Akihiro Otsuka

Profile Information

Affiliation: Associate Professor, Graduate School of Science Division of Chemistry, Kyoto University

Degree: Doctor of Science(The University of Tokyo)

ORCID ID: https://orcid.org/0000-0002-3141-0702
J-GLOBAL ID: 200901054200673701
researchmap Member ID: 1000203356

Research Areas

Nanotechnology/Materials / Functional solid-state chemistry /

Awards

Feb, 2020

BCSJ Award Article, The Chemical Society of Japan
Sep, 2017

BCSJ Award Article

OTSUKA Akihiro
Nov, 2005

BCSJ Award Article

OTSUKA Akihiro

Papers

180

Trinuclear coordination assemblies of low-spin dicyano manganese(II) (S = 1/2) and iron(II) (S = 0) phthalocyanines with manganese(II) acetylacetonate, tris(cyclopentadienyl)gadolinium(III) and neodymium(III).

Nikita R Romanenko, Alexey V Kuzmin, Maxim V Mikhailenko, Maxim A Faraonov, Salavat S Khasanov, Evgeniya I Yudanova, Alexander F Shestakov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa …

Dalton transactions (Cambridge, England : 2003), 51(25) 9770-9779, Jun 27, 2022
Trinuclear coordination assemblies of low-spin dicyano manganese(II) (S=1/2) and iron(II) (S=0) phthalocyanines with manganese(II) acetylacetonate, tris(cyclopentadienyl)gadolinium(III) and neodymium(III)

Nikita R. Romanenko, Alexey Kuzmin, Maxim Mikhailenko, Maxim A. Faraonov, Salavat S. Khasanov, Evgeniya Yudanova, Alexander F. Shestakov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa …

DALTON TRANSACTIONS, 51(25) 9770-9779, Jun, 2022
Weak Antiferromagnetic Exchange and Ferromagnetic Alignment of Fe^II (S=2) Spins in Differently Charged {HAT ⋅ (Fe^IICl<inf>2</inf>)<inf>3</inf>}ⁿ (n=2- and 3-) Assemblies of Hexaazatriphenylenes (HAT)

Maxim V. Mikhailenko, Salavat S. Khasanov, Alexader F. Shestakov, Aleksey V. Kuzmin, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V. Konarev

Chemistry - A European Journal, 28(10), Feb 21, 2022
Weak Antiferromagnetic Exchange and Ferromagnetic Alignment of FeII (S=2) Spins in Differently Charged {HAT ⋅ (FeII Cl2 )3 }n (n=2- and 3-) Assemblies of Hexaazatriphenylenes (HAT).

Maxim V Mikhailenko, Salavat S Khasanov, Alexader F Shestakov, Aleksey V Kuzmin, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V Konarev

Chemistry (Weinheim an der Bergstrasse, Germany), 28(10) e202104165, Feb 21, 2022
Complexes of transition metal carbonyl clusters with tin(ii) phthalocyanine in neutral and radical anion states: Methods of synthesis, structures and properties

Nikita R. Romanenko, Alexey V. Kuzmin, Salavat S. Khasanov, Maxim A. Faraonov, Evgeniya I. Yudanova, Yoshiaki Nakano, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V. Konarev

Dalton Transactions, 51(6) 2226-2237, Feb 14, 2022
Complexes of transition metal carbonyl clusters with tin(II) phthalocyanine in neutral and radical anion states: methods of synthesis, structures and properties.

Nikita R Romanenko, Alexey V Kuzmin, Salavat S Khasanov, Maxim A Faraonov, Evgeniya I Yudanova, Yoshiaki Nakano, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V Konarev

Dalton transactions (Cambridge, England : 2003), 51(6) 2226-2237, Feb 8, 2022
Weak Antiferromagnetic Exchange and Ferromagnetic Alignment of Fe-II (S=2) Spins in Differently Charged {HAT. ((FeCl2)-Cl-II)(3)}(n) (n=2-and 3-) Assemblies of Hexaazatriphenylenes (HAT)

Maxim Mikhailenko, Salavat S. Khasanov, Alexader F. Shestakov, Aleksey Kuzmin, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri Konarev

CHEMISTRY-A EUROPEAN JOURNAL, 28(10), Feb, 2022
Complexes of transition metal carbonyl clusters with tin(ii) phthalocyanine in neutral and radical anion states: methods of synthesis, structures and properties

Nikita R. Romanenko, Alexey Kuzmin, Salavat S. Khasanov, Maxim A. Faraonov, Evgeniya Yudanova, Yoshiaki Nakano, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri Konarev

DALTON TRANSACTIONS, 51(6) 2226-2237, Feb, 2022
Macrocycle- And metal-centered reduction of metal tetraphenylporphyrins where the metal is copper(ii), nickel(ii) and iron(ii)

Dmitry I. Nazarov, Mikhail G. Andronov, Aleksey V. Kuzmin, Salavat S. Khasanov, Evgeniya I. Yudanova, Alexander F. Shestakov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V. Konarev

Dalton Transactions, 50(43) 15620-15632, Nov 21, 2021
Macrocycle- and metal-centered reduction of metal tetraphenylporphyrins where the metal is copper(II), nickel(II) and iron(II).

Dmitry I Nazarov, Mikhail G Andronov, Aleksey V Kuzmin, Salavat S Khasanov, Evgeniya I Yudanova, Alexander F Shestakov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V Konarev

Dalton transactions (Cambridge, England : 2003), 50(43) 15620-15632, Nov 9, 2021
Macrocycle- and metal-centered reduction of metal tetraphenylporphyrins where the metal is copper(II), nickel(II) and iron(II)

Dmitry I. Nazarov, Mikhail G. Andronov, Aleksey V. Kuzmin, Salavat S. Khasanov, Evgeniya I. Yudanova, Alexander F. Shestakov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V. Konarev

DALTON TRANSACTIONS, 50(43) 15620-15632, Nov, 2021
S = ½ Heterospin Frustration in a Metal‒Fullerene-Bonded Semiconductive Antiferromagnet

Yongbing Shen, Mengxing Cui, Shinya Takaishi, Takao Tsumuraya, Akihiro Otsuka, Eunsang Kwon, Takefumi Yoshida, Norihisa Hoshino, Kazuhiko Kawachi, Yasuhiko Kasama …

Jul 23, 2021
Dianionic States of Trithiadodecaazahexaphyrin Complexes with Homotrinuclear M^II<inf>3</inf>O Clusters (M = Ni and Cu): Crystal Structures, Metal- or Macrocycle-Centered Reduction, and Doublet-Quartet Transitions in the Dianions

Dmitry I. Nazarov, Mikhail K. Islyaikin, Evgenii N. Ivanov, Oskar I. Koifman, Mikhail S. Batov, Leokadiya V. Zorina, Salavat S. Khasanov, Alexander F. Shestakov, Evgeniya I. Yudanova, Yuriy A. Zhabanov …

Inorganic Chemistry, 60(13) 9857-9868, Jul 5, 2021
Magnetic field driven transition between valence bond solid and antiferromagnetic order in a distorted triangular lattice

Yasuhiro Shimizu, Mitsuhiko Maesato, Makoto Yoshida, Masashi Takigawa, Masayuki Itoh, Akihiro Otsuka, Hideki Yamochi, Yukihiro Yoshida, Genta Kawaguchi, David Graf …

PHYSICAL REVIEW RESEARCH, 3(2), May, 2021
Emergence of Metallic Conduction and Cobalt(II)-Based Single-Molecule Magnetism in the Same Temperature Range

Yongbing Shen, Hiroshi Ito, Haitao Zhang, Hideki Yamochi, Goulven Cosquer, Carmen Herrmann, Toshiaki Ina, Shinji K. Yoshina, Brian K. Breedlove, Akihiro Otsuka …

Journal of the American Chemical Society, 143(13) 4891-4895, Apr, 2021
Reversible dissociation of singly-bonded (C<inf>60</inf>^-)<inf>2</inf>dimers in (MV⁺)<inf>2</inf>(C<inf>60</inf>^-)<inf>2</inf>·solvent salt containing paramagnetic methyl viologen MV⁺radical cations

Dmitri V. Konarev, Salavat S. Khasanov, Oleg A. Obraztsov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Rimma N. Lyubovskaya

New Journal of Chemistry, 45(3) 1163-1167, Jan 21, 2021
Magnetic Exchange through the Dianionic Hexaazatrinaphthylene (HATNA) Ligand in {HATNA(Fe^IICl<inf>2</inf>)<inf>3</inf>}²⁻ Containing Fe^II (S=2) Triangles

Dmitri V. Konarev, Salavat S. Khasanov, Maxim V. Mikhailenko, Mikhail S. Batov, Alexander F. Shestakov, Alexey V. Kuzmin, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Rimma N. Lyubovskaya

European Journal of Inorganic Chemistry, 2021(1) 86-92, Jan 8, 2021
Solid-State Properties of Hexaazatriphenylenehexacarbonitrile HAT(CN)<inf>6</inf>^.− Radical Anions in Crystalline Salts Containing Cryptand(M⁺) and Crystal Violet Cations

Dmitri V. Konarev, Salavat S. Khasanov, Alexey V. Kuzmin, Maxim V. Mikhailenko, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Rimma N. Lyubovskaya

Chemistry - A European Journal, 26(72) 17470-17480, Dec 23, 2020
Effect of reduction on the molecular structure and optical and magnetic properties of fluorinated copper(ii) phthalocyanines

Dmitri V. Konarev, Maxim A. Faraonov, Mikhail S. Batov, Mikhail G. Andronov, Alexey V. Kuzmin, Salavat S. Khasanov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Rimma N. Lyubovskaya

Dalton Transactions, 49(46) 16821-16829, Dec 14, 2020
Simultaneous manifestation of metallic conductivity and single-molecule magnetism in a layered molecule-based compound

Yongbing Shen, Hiroshi Ito, Haitao Zhang, Hideki Yamochi, Seiu Katagiri, Shinji K. Yoshina, Akihiro Otsuka, Manabu Ishikawa, Goulven Cosquer, Kaiji Uchida …

Chemical Science, 11(41) 11154-11161, Nov 7, 2020

Misc.

Organic Superconductor and Quantum Spin Liquid : κ-(ET)₂M₂(CN)₃(M=Cu,Ag)

齋藤軍治, 吉田幸大, 平松孝章, 大塚晃弘, 前里光彦, 清水康弘, 伊東裕, 中村優斗, 岸田英夫, 渡邉真史 …

豊田研究報告 = Reports of Toyota Physical and Chemical Research Institute, (70) 131-136, May, 2017
三次元ディラック電子系(ET)Ag₄(CN)₅のバンド構造と磁性

清水康弘, 土射津昌久, 土射津昌久, 大塚晃弘, 前里光彦, 矢持秀起, 中尾朗子, 平松孝章, 吉田幸大, 吉田幸大 …

日本物理学会講演概要集(CD-ROM), 72(2), 2017
Development of Organic Superconductors and Quantum Spin Liquids

(69) 101-109, May, 2016
8aAG-2 NMR study on triangular lattice Mott insulators κ-(ET)_2X (X=Ag_2(CN)_3, B(CN)_4, CF_3SO_3) compounds with triangular lattice

Shimizu Y., Ono A., Itoh M., Yoshida Y., Takigawa M., Maesato M., Otsuka A., Yamochi H., Hiramatsu T., Yoshida Y. …

Meeting abstracts of the Physical Society of Japan, 69(2) 598-598, Aug 22, 2014
Spin liquid states in new κ-(ET)_2X compounds with triangular lattice

Shimizu Y., Hiramatsu T., Yoshida Y., Maesato M., Otsuka A., Yamochi H., Saito G.

Meeting abstracts of the Physical Society of Japan, 68(2) 779-779, Aug 26, 2013
27pXN-7 Frustrated magnetism in a perovskite complex (TSF)_3[Mo_6Br_<14>(Br)]

Shimizu Y., Hiramatsu T., Yoshida Y., Otsuka A., Yamochi H., Saito G.

Meeting abstracts of the Physical Society of Japan, 68(1) 939-939, Mar 26, 2013
逆ペロブスカイト型 (TSF)3[(Mo6X14)X] (X = Cl, Br) 錯体の構造と磁気秩序状態

平松孝章, 吉田幸大, 大塚晃弘, 矢持秀起, 清水康弘, 服部祐磨, 岸田英夫, 伊東裕, KIRAKCI Kaplan, CORDIER Stephane …

日本化学会第93春季年会, Mar, 2013 Peer-reviewed
Ionic compound containing iron phthalocyanine ((FePc)-Pc-I)(-) anions and (C-70(-))(2) dimers. Optical and magnetic properties of ((FePc)-Pc-I)(-) in the solid state (vol 41, pg 13841, 2012)

Dmitri V. Konarev, Alexey V. Kuzmin, Sergey V. Simonov, Salavat S. Khasanov, Akihiro Otsuka, Hideki Yamochi, Gunzi Saito, Rimma N. Lyubovskaya

DALTON TRANSACTIONS, 42(48) 16970-16970, 2013
Various types of intermolecular interactions between C60 anion radicals

A. Otsuka, D.V. Konarev, S.S. Khasanov, M. Ishikawa, Y. Nakano, M. Maesato, R.N. Lyubovskaya, H. Yamochi, G. Sait'o

ACNS'2013 - 1 1th International Conference Advanced Carbon NanoStructures, Saint-Petersburg, Russia, July 01-G5, 2013, 2013 Peer-reviewed
混晶[(EDO)i-x(CLEDO)x]2PF6 の相転移挙動に対する置換基効果

原口知之, 石川学, 中野義明, 大塚晃弘, 賣市幹大, 矢持秀起

日本化学会第93春季年会，立命館大学びわこ・くさつキャンパス, 2013 年3 月22-25 日, 2013 Peer-reviewed
逆ペロプスガイド型(TSF)3[(Mo6X14)X](X = CI, Br) 錯体の構造と磁気秩序状態

平松孝章, 吉田幸大, 大塚晃弘, 矢持秀起, 清水康弘, 服部祐磨, 岸田英夫, 伊東裕, KIRAKCI Kaplan, CORDIER Stephane …

日本化学会第93春季年会，立命館大学びわこ・くさつキャンパス，2013 年3 月22-25 日, 2013 Peer-reviewed
銀ポリアニオン構造を持つ新規k-(ET)2X 錯体の量子スピン液体状態と圧力誘起超伝導

平松孝章, 清水康弘, 前里光彦, 大塚晃弘, 矢持秀起, 吉田幸大, 斎藤軍治

第7 回分子科学討論会、京都テルサ（京都府民総合交流プラザ）2013 年9 月24-27 日, 2013 Peer-reviewed
Development of Quantum Spin Liquid

(11) 11-20, 2012
A New Donor Packing Pattern for 2-{thiopyran-4-ylidene)-4,5-ethylenedithio- 1,3- dithiole (TP-EDTT) Complex

N. Onda, A. Otsuka, T. Nishi, M. Ishikawa, Y. Nakano, T. Hiramatsu, M. Uruichi, K. Yakushi, H. Yamochi

International Conference on Science and Technology of Synthetic Metals 2012 (ICSM 2012), Atlanta, Georgia, USA., July 8-13, 2012, 2012 Peer-reviewed
New Spin State (Quantum Spin Liquid), Metallic State, and Superconducting State Based on Spin Triangular Lattice

(10) 1-10, 2011
(TP-EDTT)3C(CN)3 及び類縁体の結晶構造と物性

御田尚美, 大塚晃弘, 西駿明, 石川学, 中野義明, 矢持秀起

第5 回分子科学討論会，札幌コンベンションセンター, 2011 年9 月20-23 日, 2011 Peer-reviewed
Structures and Physical Properties of the Mono-methyl Substituted EDO-TTF Cation \nRadical Salts

X.F. Shao, H. Yamochi, Y. Nakano, Y. Yoshida, M. Sakata, M. Maesato, T. Murata, A. Otsuka, G. Saito, S. Koshihara

゛゜゜The 9th China-Japan Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena (「有機固体における伝導性・光伝導性及び関連する現象」に関する第9 回日中合同シンポジウム), Friendship Hotel, Beijing ,China (北京友誼賓館北京，中国), October 27-29, 2007, 2007 Peer-reviewed
Intriguing electrical tran sport property of C7TET-TTF(TCNQ)

A. Otsuka, G. Saito, O. Kina, Y. Yoshida, H. Yamochi

PACIFJCHEM2005 Symposium ＃1 1 5; Science and Engineering of the Future with Multifunctional Conducting Molecular Materials, Honolulu, HI, USA, December 1.5-17, 2005, 2005 Peer-reviewed
Spectroscopic studies on superconducting and metallic BEDT-TTF, BEDO-TTF, and C-60 charge transfer salts.

G Saito, A Otsuka, S Sugai, K Yakushi

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 215 U686-U686, Apr, 1998
Preparation of C₆₀ charge transfer complexes with organic donor molecules and alkali doping

A. Otsuka, G. Saito, S. Hirate, S. Pac, T. Ishida, A.A. Zakhidov, K. Yakushi

Materials Research Society Symposium - Proceedings, 488 495-500, 1997 Peer-reviewed

Professional Memberships

THE CHEMICAL SOCIETY OF JAPAN

Research Projects

Molecular Conductors Based on Crystal Engeering and Vibronic Interaction

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026
Control of Charge Arrangement and Electronic Phase Transition in Molecular Crystals

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023
Development of Novel Phase Transition Mechanisms for Molecular Conductors by Applying Multiplicity of Electronic State Determinant Factors

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2019

Yamochi Hideki, Otsuka Akihiro, Nakano Yoshiaki, Ishikawa Manabu, Kitagawa Hiroshi, Maesato Mitsuhiko, Yoshida Yukihiro, Uruichi Mikio, Koshihara Shin-ya, Onda Ken, Okimoto Yoichi, Tanaka Koichiro, Saito Gunzi, Hiramatsu Takaaki, Shimizu Yasuhiro, Ito Hiroshi, Kishida Hideo, Haruki Rie, Kumai Reiji, Adachi Shinichi, Miller Dwayne, R. J., Khasanov Salavat, Salim'yanovich, Konarev Dmitry, Valentinovich, Lyubovskaya Rimma, N., Shao Xiangfeng, Kushch Nataliya, D., Yagubskii Eduard, B.
Development of organic conducting and magnetic materials based on high-symmetric molecules for thermoelectric application

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Nakano Yoshiaki, ISHIKAWA Manabu, OTSUKA Akihiro, YAMOCHI Hideki
Development of Electronic Multifunction Based on Organic Triangular Spin Lattice

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S), Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2016

Saito Gunzi, YOSHIDA Yukihiro, ITO Hiroshi, KISHIDA Hideo, SHIMIZU Yasuhiro, OTSUKA Akihiro, MAESATO Mitsuhiko
Development of Intramolecular Degrees of Freedom for New Functional Materials

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Japan Society for the Promotion of Science, 2008 - 2012

YAMOCHI Hideki, MISAKI Yohji, FUJIWARA Hideki, MORITA Yasushi, OTSUKA Akihiro, MAESATO Mitsuhiko, NAKANO Yoshiaki, SHIRAHATA Takashi
Exploitation of Organic Electronic Materials of Potential Dynamic Switches for Non-equilibrium Condensed Matter Sciences

Grants-in-Aid for Scientific Research Grant-in-Aid for Creative Scientific Research, Grant-in-Aid for Creative Scientific Research, Japan Society for the Promotion of Science, 2006 - 2010

TANAKA Koichiro, YAMOCHI Hideki, KOSHIHARA Shinya, MISAKI Yohji, NAGAI Masaya, MAVANI Krushna, OSTROVSKI Denis, HIRORI Hideki, OTSUKA Akihiro, MAESATO Mitsuhiko, NAKANO Yoshiaki, OKIMOTO Yoichi, ISHIKAWA Tadahiko, ONDA Ken, HISAKAZU Miyamoto, SHIRAHATA Takashi
構造制御に基づく新規機能性導電体の開拓

科学研究費助成事業特定領域研究, 特定領域研究, 日本学術振興会, 2003 - 2007

矢持秀起, 前里光彦, 大塚晃弘
Development of Multifunctional Organic Materials (Superconductors, Spin Liquids, Novel Phase Transition Systems, etc)

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 2003 - 2006

SAITO Gunzi, YAMOCHI Hideki, MAESATO Mitsuhiko, OTSUKA Akihiro
Development of Molecular Superconductors Having New Structures

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 1997 - 1999

SAITO Gunzi, OTSUKA Akihiro, BAN Toshio, YAMOCHI Hideki, KONDO Tetsuo
芳香族炭化水素および関連物質による分子超伝導体の開発

科学研究費助成事業奨励研究(A), 奨励研究(A), 日本学術振興会, 1997 - 1998

大塚晃弘
超伝導または強磁性を示す新規C_<60>錯体の探索

科学研究費助成事業奨励研究(A), 奨励研究(A), 日本学術振興会, 1995 - 1995

大塚晃弘
Development of Organic Superconductors

Grants-in-Aid for Scientific Research Grant-in-Aid for General Scientific Research (A), Grant-in-Aid for General Scientific Research (A), Japan Society for the Promotion of Science, 1993 - 1994

SAITO Gunzi, OTSUKA Akihiro, BAN Toshiro, KOJIMA Norimichi
分子性超伝導体の開発
Development of Molecular Superconductors

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