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Molecular behavior in nanomagnetic field space

Research Project

Project/Area Number 19K05366
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 32010:Fundamental physical chemistry-related
Research InstitutionThe University of Tokyo

Principal Investigator

Nakabayashi Koji  東京大学, 大学院理学系研究科(理学部), 助教 (80466797)

Project Period (FY) 2019-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2021: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2020: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords分子磁性 / ホスト-ゲスト化学 / 分子磁性体 / ホスト‐ゲスト化学 / ホストーゲスト化学
Outline of Research at the Start

ナノサイズの細孔中に取り込まれた分子は、細孔内の特異なパッキングや細孔内壁からの電子的、構造的影響から、バルクとは異なる性質を示すことが知られている。本研究では、ナノチャンネル構造を持ったホスト磁性体(ナノチャンネル強磁性体)を用いて、ナノ空間だけでなく、ナノ空間に生じた磁場も考慮した“ナノ磁場空間”に置かれたゲスト分子やイオンの挙動を明らかにすることを目的としている。ナノ磁場空間というこれまでにない研究分野を開拓し、ゲスト分子の振舞い、特にスピン挙動に対するナノ磁場空間の寄与を明らかにする。

Outline of Final Research Achievements

In this research project, I synthesized a nanochannel ferromagnet containing acetone as a guest solvent molecule and found that the nanochannels change significantly from an open structure to a closed structure upon acetone desorption. Magnetic studies revealed that the magnetic hysteresis changes from a state with large coercivity to a very small coercivity with the structural change. From magnetization measurements using crystals and first-principles calculations, it was clarified that the ab plane of the crystal structure (perpendicular to the nanochannel) is the easy direction of magnetization and the c axis (the same direction as the nanochannel) is the hard axis of magnetization.

Academic Significance and Societal Importance of the Research Achievements

本研究課題で見出した、ボトムアップ的合成手法により構築したナノチャンネル強磁性体は、従来の金属、金属酸化物からなる強磁性体にはない1 nm程度の規則配列したナノチャンネル構造を有し、また、そのナノチャンネル構造がゲスト分子に依存して柔軟に変化する新しい強磁性物質である。ナノ構造とバルク磁性の関係性、本研究課題ではナノ構造体の示す磁気異方性に関する知見は、分子磁性体分野だけでなく、従来の金属、金属酸化物磁性体やコンポジット磁性体のナノ構造と磁性の関係性にも波及し得る可能性を秘めており、ナノ構造磁性体分野の発展に繋がることが期待される。

Report

(4 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (30 results)

All 2023 2022 2021 2020 Other

All Int'l Joint Research (4 results) Journal Article (11 results) (of which Int'l Joint Research: 6 results,  Peer Reviewed: 11 results,  Open Access: 1 results) Presentation (13 results) (of which Int'l Joint Research: 4 results,  Invited: 3 results) Remarks (2 results)

  • [Int'l Joint Research] ヤゲロニア大学(ポーランド)

    • Related Report
      2022 Annual Research Report
  • [Int'l Joint Research] ハノーバー大学(ドイツ)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ヤゲロニア大学(ポーランド)

    • Related Report
      2021 Research-status Report
  • [Int'l Joint Research] ヤゲロニア大学(ポーランド)

    • Related Report
      2020 Research-status Report
  • [Journal Article] Room-temperature bistability in a cobalt-octacyanidotungstate framework showing a charge-transfer phase transition with a red-blue color change2023

    • Author(s)
      Nakamura Kazuki、Nakabayashi Koji、Imoto Kenta、Ohkoshi Shin-ichi
    • Journal Title

      Inorganic Chemistry Frontiers

      Volume: 10 Issue: 3 Pages: 850-859

    • DOI

      10.1039/d2qi02321k

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Slow magnetic relaxation in Nd(<scp>iii</scp>) and Sm(<scp>iii</scp>) complexes formed in three-dimensional lanthanide-dicyanidometallate(<scp>i</scp>) frameworks exhibiting luminescent properties2023

    • Author(s)
      Kumar Kunal、Li Guanping、Stefanczyk Olaf、Chorazy Szymon、Nakabayashi Koji、Ohkoshi Shin-ichi
    • Journal Title

      Journal of Materials Chemistry C

      Volume: 11 Issue: 3 Pages: 1008-1020

    • DOI

      10.1039/d2tc04198g

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Development of Nd (III)-Based Terahertz Absorbers Revealing Temperature Dependent Near-Infrared Luminescence2022

    • Author(s)
      Kumar Kunal、Stefanczyk Olaf、Nakabayashi Koji、Mineo Yuuki、Ohkoshi Shin-ichi
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 23 Issue: 11 Pages: 6051-6051

    • DOI

      10.3390/ijms23116051

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ratiometric and Colorimetric Optical Thermometers Using Emissive Dimeric and Trimeric {[Au(SCN)2]-}n Moieties Generated in d-f Heterometallic Assemblies2022

    • Author(s)
      Kumar Kunal、Stefanczyk Olaf、Chorazy Szymon、Nakabayashi Koji、Ohkoshi Shin‐ichi
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 61 Issue: 20

    • DOI

      10.1002/anie.202201265

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Second harmonic generation on chiral cyanido-bridged Fe<sup>II</sup>?Nb<sup>IV</sup> spin-crossover complexes2021

    • Author(s)
      Kawabata Shintaro、Nakabayashi Koji、Imoto Kenta、Klimke Stephen、Renz Franz、Ohkoshi Shin-ichi
    • Journal Title

      Dalton Transactions

      Volume: 50 Issue: 24 Pages: 8524-8532

    • DOI

      10.1039/d1dt01324f

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Manganese‐Octacyanidoniobate‐Based Ferrimagnet Possessing Bridging Ligands with Disulfide Bonds2021

    • Author(s)
      Kanno Takefumi、Nakabayashi Koji、Imoto Kenta、Ohkoshi Shin‐ichi
    • Journal Title

      European Journal of Inorganic Chemistry

      Volume: 2021 Issue: 45 Pages: 4681-4689

    • DOI

      10.1002/ejic.202100747

    • Related Report
      2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Detection of Sub‐Terahertz Raman Response and Nonlinear Optical Effects for Luminescent Yb(III) Complexes2021

    • Author(s)
      Kumar Kunal、Stefanczyk Olaf、Nakabayashi Koji、Imoto Kenta、Oki Yurie、Ohkoshi Shin‐ichi
    • Journal Title

      Advanced Optical Materials

      Volume: 10 Issue: 2 Pages: 2101721-2101721

    • DOI

      10.1002/adom.202101721

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Spin crossover phenomenon in a three-dimensional cyanido-bridged FeII?MoIV assembly2021

    • Author(s)
      Kawabata Shintaro、Nakabayashi Koji、Imoto Kenta、Ohkoshi Shin-ichi
    • Journal Title

      Journal of Applied Physics

      Volume: 129 Issue: 10 Pages: 105501-105501

    • DOI

      10.1063/5.0041958

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Room‐Temperature Bistability in a Ni?Fe Chain: Electron Transfer Controlled by Temperature, Pressure, Light, and Humidity2020

    • Author(s)
      Reczynski Mateusz、Pinkowicz Dawid、Nakabayashi Koji、N?ther Christian、Stanek Jan、Koziel Marcin、Kalinowska‐Thuscik Justyna、Sieklucka Barbara、Ohkoshi Shin‐ichi、Nowicka Beata
    • Journal Title

      Angewandte Chemie International Edition

      Volume: 60 Issue: 5 Pages: 2330-2338

    • DOI

      10.1002/anie.202012876

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Extremely low-frequency phonon material and its temperature- and photo-induced switching effects2020

    • Author(s)
      Yoshida Takaya、Nakabayashi Koji、Tokoro Hiroko、Yoshikiyo Marie、Namai Asuka、Imoto Kenta、Chiba Kouji、Ohkoshi Shin-ichi
    • Journal Title

      Chemical Science

      Volume: 11 Issue: 33 Pages: 8989-8998

    • DOI

      10.1039/d0sc02605k

    • NAID

      120007182858

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Journal Article] Tuning the Optical Properties of Magnetic Materials2020

    • Author(s)
      Reczynski Mateusz、Nakabayashi Koji、Ohkoshi Shin-ichi
    • Journal Title

      European Journal of Inorganic Chemistry

      Volume: 2020 Issue: 28 Pages: 2669-2678

    • DOI

      10.1002/ejic.202000428

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Functional cyanido-bridged Co-W assemblies showing charge transfer phase transition2023

    • Author(s)
      Koji Nakabayashi, Kazuki Nakamura, Takaya Yoshida, Kenta Imoto, Shin-ichi Ohkoshi
    • Organizer
      Dynamical Control of Materials 2023
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Optical functionalities of cyanido-bridged bimetallic assemblies showing charge transfer or spin crossover2023

    • Author(s)
      Koji Nakabayashi, Kazuki Nakamura, Kenta Imoto, Shin-ichi Ohkoshi
    • Organizer
      5th International Conference on Functional Molecular Materials
    • Related Report
      2022 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Photo- and magnetic-functional materials based on cyanidometallate complexes2022

    • Author(s)
      Koji Nakabayashi, Shintaro Kawabata, Takefumi Kanno, Takaya Yoshida, Kenta Imoto, Shin-ichi Ohkoshi
    • Organizer
      第72回錯体化学討論会
    • Related Report
      2022 Annual Research Report
  • [Presentation] Spin crossover and second harmonic generation of cyanido-bridged metal assemblies2022

    • Author(s)
      K. Nakabayashi, S. Kawabata, T. Kanno, K. Imoto, S. Klimke, F. Renz, S. Ohkoshi
    • Organizer
      日本化学会第102春季年会
    • Related Report
      2021 Research-status Report
  • [Presentation] Construction of cyanido-bridged Co-W assemblies exhibiting a thermal phase transition near room temperature2022

    • Author(s)
      Kazuki Nakamura, Koji Nakabayashi, Kenta Imoto, Shin-ichi Ohkoshi
    • Organizer
      日本化学会 第102春季年会
    • Related Report
      2021 Research-status Report
  • [Presentation] THz wave absorption modulated by charge-transfer induced phase transition of cyanido-bridged metal assemblies2022

    • Author(s)
      Y. Mineo, K. Nakabayashi, K. Imoto, K. Nakagawa, S. Ohkoshi
    • Organizer
      日本化学会第102春季年会
    • Related Report
      2021 Research-status Report
  • [Presentation] 多様な光学特性を示す磁性錯体の構築2021

    • Author(s)
      中林耕二, 大越慎一
    • Organizer
      2021年度第6回光機能研究会
    • Related Report
      2021 Research-status Report
    • Invited
  • [Presentation] Integrating SMM, luminescent thermometry, porosity, and high proton conductivity within a single molecule-based material2021

    • Author(s)
      J. Wang, J. J. Zakrzewski, M. Heczko, M. Zychowicz, K. Nakagawa, K. Nakabayashi, B. Sieklucka, S. Chorazy, S. Ohkoshi
    • Organizer
      The 2021 International Chemical Congress of Pacific Basin Societies, symposium of Frontiers of Molecular Magnetism
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] Holmium(III) SMMs Functioning as Optical Thermometers Based on Luminescence Re-Absorption Effect2021

    • Author(s)
      J. Wang, J. J. Zakrzewski, M. Zychowicz, V. Vieru, L. Chibotaru, K. Nakabayashi, S. Chorazy, S. Ohkoshi
    • Organizer
      The 71st Conference of Japan Society of Coordination Chemistry
    • Related Report
      2021 Research-status Report
  • [Presentation] Three-dimensional octacyanidometallate-based coordination networks with two types of bridging ligands of cyanide and 4,4’-dipyridyl disulfide2021

    • Author(s)
      T. Kanno, K. Nakabayashi, K. Imoto, S. Ohkoshi
    • Organizer
      錯体化学会第71回討論会
    • Related Report
      2021 Research-status Report
  • [Presentation] Crystal structures and non-linear optical properties of cyanido-bridged metal assemblies2021

    • Author(s)
      Koji Nakabayashi, Masaya Komine, Kenta Imoto, Takuro Ohno, Shin-ichi Ohkoshi
    • Organizer
      The 1st Asian Conference on Molecular Magnetism
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Charge-transfer-induced phase transition materials with electromagnetic wave absorption properties2021

    • Author(s)
      Koji Nakabayashi, Takaya Yoshida, Kenta Imoto, Marie Yoshikiyo, Kouji Chiba, Hiroko Tokoro, Asuka Namai, Shin-ichi Ohkoshi
    • Organizer
      日本化学会春季年会
    • Related Report
      2020 Research-status Report
  • [Presentation] 光・電磁波応答性を示すシアノ架橋型金属集積体2020

    • Author(s)
      中林 耕二, 大越 慎一
    • Organizer
      錯体化学若手の会東北支部勉強会
    • Related Report
      2020 Research-status Report
    • Invited
  • [Remarks] Researche map

    • URL

      https://researchmap.jp/k-n

    • Related Report
      2022 Annual Research Report
  • [Remarks] 研究成果一覧webページ

    • URL

      https://www.scopus.com/authid/detail.uri?authorId=35311409400

    • Related Report
      2021 Research-status Report

URL: 

Published: 2019-04-18   Modified: 2024-01-30  

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