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First-principles study of spin-valve and inelastic electron tunneling spectroscopy

Research Project

Project/Area Number 16K17855
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Physical chemistry
Research InstitutionOsaka University

Principal Investigator

Ohto Tatsuhiko  大阪大学, 基礎工学研究科, 助教 (90717761)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords第一原理伝導計算 / スピンバルブ / 単一分子接合 / IETS / 分子接合 / 第一原理計算 / 伝導計算 / 非弾性トンネル電子分光 / 分子ダイオード / 量子輸送計算 / 表面・界面物性 / 電気伝導計算
Outline of Final Research Achievements

We performed first-principles transport calculations for two types of Ni-C60-Ni junctions: the C60 molecule equally couples to the left and right electrodes, or strongly couples to the left electrode. According to the resonant inversion model, the positive and negative magnetoresistance can be obtained for the former and the latter, respectively. We observed the similar inversion for the transport channel at -0.7 eV, while there was no inversion for that at 0 eV. This difference can be attributed to the degree of the spin polarization of molecular orbitals at each transport channels.

Academic Significance and Societal Importance of the Research Achievements

ハードディスクのデータ読み取りなどに用いられる磁気抵抗素子は無機物で作製されているが、分子軌道のスピン分裂に伴うスピンフィルター効果を用いれば、有機物でより性能の高い磁気抵抗素子を作製できる可能性がある。しかしこれまで有機物では、電極の磁化が反平行の時により伝導度が高まる、負の磁気抵抗が見られることがあった。本研究では、分子軌道の観点からその原因を明らかにすることができたため、、理論計算からの分子磁気抵抗素子の設計につながることが期待できる。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (42 results)

All 2019 2018 2017 2016 Other

All Int'l Joint Research (3 results) Journal Article (20 results) (of which Int'l Joint Research: 14 results,  Peer Reviewed: 20 results,  Open Access: 4 results,  Acknowledgement Compliant: 2 results) Presentation (17 results) (of which Int'l Joint Research: 6 results,  Invited: 6 results) Remarks (2 results)

  • [Int'l Joint Research] マックスプランクポリマー研究所(ドイツ)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] ソウル国立大学(韓国)

    • Related Report
      2017 Research-status Report
  • [Int'l Joint Research] マックスプランク研究所(ドイツ)

    • Related Report
      2017 Research-status Report
  • [Journal Article] Boosting electrochemical water splitting via ternary NiMoCo hybrid nanowire arrays2019

    • Author(s)
      Hu Kailong、Wu Mingxing、Hinokuma Satoshi、Ohto Tatsuhiko、Wakisaka Mitsuru、Fujita Jun-ichi、Ito Yoshikazu
    • Journal Title

      Journal of Materials Chemistry A

      Volume: 7 Issue: 5 Pages: 2156-2164

    • DOI

      10.1039/c8ta11250a

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Structure and dynamics of water at water-graphene and water-hexagonal boron-nitride sheet interfaces revealed by ab initio sum-frequency generation spectroscopy2018

    • Author(s)
      Ohto Tatsuhiko、Tada Hirokazu、Nagata Yuki
    • Journal Title

      Physical Chemistry Chemical Physics

      Volume: 20 Issue: 18 Pages: 12979-12985

    • DOI

      10.1039/c8cp01351a

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Graphene Layer Encapsulation of Non-Noble Metal Nanoparticles as Acid-Stable Hydrogen Evolution Catalysts2018

    • Author(s)
      Hu Kailong、Ohto Tatsuhiko、Chen Linghan、Han Jiuhui、Wakisaka Mitsuru、Nagata Yuki、Fujita Jun-ichi、Ito Yoshikazu
    • Journal Title

      ACS Energy Letters

      Volume: 3 Issue: 7 Pages: 1539-1544

    • DOI

      10.1021/acsenergylett.8b00739

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Large Hydrogen-Bond Mismatch between TMAO and Urea Promotes Their Hydrophobic Association2018

    • Author(s)
      Xie Wen Jun、Cha Seoncheol、Ohto Tatsuhiko、Mizukami Wataru、Mao Yuezhi、Wagner Manfred、Bonn Mischa、Hunger Johannes、Nagata Yuki
    • Journal Title

      Chem

      Volume: 4 Issue: 11 Pages: 2615-2627

    • DOI

      10.1016/j.chempr.2018.08.020

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Single-molecule rectifiers based on voltage-dependent deformation of molecular orbitals in carbazole oligomers2018

    • Author(s)
      Ryo Yamada, Ken Albrecht, Tatsuhiko Ohto, Keigo Minode, Kimihisa Yamamoto, Hirokazu Tada
    • Journal Title

      Nanoscale

      Volume: 10 Issue: 42 Pages: 19818-19824

    • DOI

      10.1039/c8nr06049e

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Orientational Distribution of Free O-H Groups of Interfacial Water is Exponential2018

    • Author(s)
      Sun Shumei、Tang Fujie、Imoto Sho、Moberg Daniel R.、Ohto Tatsuhiko、Paesani Francesco、Bonn Mischa、Backus Ellen H. G.、Nagata Yuki
    • Journal Title

      Physical Review Letters

      Volume: 121 Issue: 24 Pages: 246101-246101

    • DOI

      10.1103/physrevlett.121.246101

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Structure and Dynamics of Water at the Water-Air Interface Using First-Principles Molecular Dynamics Simulations within Generalized Gradient Approximation2018

    • Author(s)
      Ohto Tatsuhiko、Dodia Mayank、Imoto Sho、Nagata Yuki
    • Journal Title

      Journal of Chemical Theory and Computation

      Volume: 15 Issue: 1 Pages: 595-602

    • DOI

      10.1021/acs.jctc.8b00567

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Aggregation-Induced Emission Enhancement from Disilane-Bridged Donor-Acceptor-Donor Luminogens Based on the Triarylamine Functionality2018

    • Author(s)
      Usuki Tsukasa、Shimada Masaki、Yamanoi Yoshinori、Ohto Tatsuhiko、Tada Hirokazu、Kasai Hidetaka、Nishibori Eiji、Nishihara Hiroshi
    • Journal Title

      ACS Appl. Mater. Interfaces

      Volume: in press Issue: 15 Pages: 12164-12172

    • DOI

      10.1021/acsami.7b14802

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Cooperation between holey graphene and NiMo alloy for hydrogen evolution in an acidic electrolyte2018

    • Author(s)
      Yoshikazu Ito, Tatsuhiko Ohto, Daisuke Hojo, Mitsuru Wakisaka, Yuki Nagata, Linghan Chen, Kailong Hu, Masahiko Izumi, Jun-ichi Fujita, and Tadafumi Adschiri
    • Journal Title

      ACS Catal.

      Volume: in press Issue: 4 Pages: 3579-3586

    • DOI

      10.1021/acscatal.7b04091

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Chemisorbed and Physisorbed Water at the TiO2/Water Interface2017

    • Author(s)
      Hosseinpour Saman、Tang Fujie、Wang Fenglong、Livingstone Ruth A.、Schlegel Simon J.、Ohto Tatsuhiko、Bonn Mischa、Nagata Yuki、Backus Ellen H. G.
    • Journal Title

      J. Phys. Chem. Lett.

      Volume: 8 Issue: 10 Pages: 2195-2199

    • DOI

      10.1021/acs.jpclett.7b00564

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Electrochemical TERS Elucidates Potential-Induced Molecular Reorientation of Adenine/Au(111)2017

    • Author(s)
      Martin Sabanes Natalia、Ohto Tatsuhiko、Andrienko Denis、Nagata Yuki、Domke Katrin F.
    • Journal Title

      Angew. Chem. Ind. Ed.

      Volume: 56 Issue: 33 Pages: 9796-9801

    • DOI

      10.1002/anie.201704460

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Multifunctional Octamethyltetrasila[2.2]cyclophanes: Conformational Variations, Circularly Polarized Luminescence, and Organic Electroluminescence2017

    • Author(s)
      Shimada Masaki、Yamanoi Yoshinori、Ohto Tatsuhiko、Pham Song-Toan、Yamada Ryo、Tada Hirokazu、Omoto Kenichiro、Tashiro Shohei、Shionoya Mitsuhiko、Hattori Mineyuki、Jimura Keiko、Hayashi Shigenobu、Koike Hikaru、Iwamura Munetaka、Nozaki Koichi、Nishihara Hiroshi
    • Journal Title

      J. Am. Chem. Soc.

      Volume: 139 Issue: 32 Pages: 11214-11221

    • DOI

      10.1021/jacs.7b05671

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Highly Luminescent 2D-Type Slab Crystals Based on a Molecular Charge-Transfer Complex as Promising Organic Light-Emitting Transistor Materials2017

    • Author(s)
      Park Sang Kyu、Kim Jin Hong、Ohto Tatsuhiko、Yamada Ryo、Jones Andrew O. F.、Whang Dong Ryeol、Cho Illhun、Oh Sangyoon、Hong Seung Hwa、Kwon Ji Eon、Kim Jong H.、Olivier Yoann、Fischer Roland、Resel Roland、Gierschner Johannes、Tada Hirokazu、Park Soo Young
    • Journal Title

      Adv. Mater.

      Volume: 29 Issue: 36 Pages: 1701346-1701346

    • DOI

      10.1002/adma.201701346

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Analysis of Single Molecule Conductance of Heterogeneous Porphyrin Arrays by Partial Transmission Probabilities2017

    • Author(s)
      Tamaki Takashi、Ohto Tatsuhiko、Yamada Ryo、Tada Hirokazu、Ogawa Takuji
    • Journal Title

      Chem. Select.

      Volume: 2 Issue: 25 Pages: 7484-7488

    • DOI

      10.1002/slct.201701015

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Magnetic field effect on pentacene-doped sexithiophene diodes2017

    • Author(s)
      Pham Song-Toan、Fayolle Marine、Ohto Tatsuhiko、Tada Hirokazu
    • Journal Title

      Appl. Phys. Lett.

      Volume: 111 Issue: 20 Pages: 203303-203303

    • DOI

      10.1063/1.5006547

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Definition of Free O-H Groups of Water at the Air-Water Interface2017

    • Author(s)
      Tang Fujie、Ohto Tatsuhiko、Hasegawa Taisuke、Xie Wen Jun、Xu Limei、Bonn Mischa、Nagata Yuki
    • Journal Title

      J. Chem. Theor. Comput.

      Volume: 14 Issue: 1 Pages: 357-364

    • DOI

      10.1021/acs.jctc.7b00566

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] π+-π+ stacking of imidazolium cations enhances molecular layering of room temperature ionic liquid at their interfaces2017

    • Author(s)
      Fujie Tang, Tatsuhiko Ohto, Taisuke Hasegawa, Mischa Bonn, and Yuki Nagata
    • Journal Title

      Phys. Chem. Chem. Phys.

      Volume: 19 Issue: 4 Pages: 2850-2856

    • DOI

      10.1039/c6cp07034e

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Trimethylamin-N-oxide: Hydration structure, surface activity, and biological function viewed by vibrational spectroscopy2017

    • Author(s)
      Tatsuhiko Ohto, Johannes Hunger, Ellen H. G. Backus, Wataru Mizukami, Mischa Bonn, and Yuki Nagata
    • Journal Title

      Phys. Chem. Chem. Phys.

      Volume: 19 Issue: 10 Pages: 6909-6920

    • DOI

      10.1039/c6cp07284d

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Unveiling the amphiphilic nature of TMAO by vibrational sum frequency generation spectroscopy2016

    • Author(s)
      Tatsuhiko Ohto, Ellen H. G. Backus, Wataru Mizukami, Johannes Hunger, Mischa Bonn and Yuki Nagata
    • Journal Title

      J. Phys. Chem. C

      Volume: 120 Issue: 31 Pages: 17435-17443

    • DOI

      10.1021/acs.jpcc.6b04852

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Int'l Joint Research / Acknowledgement Compliant
  • [Journal Article] Enhancement of Carrier Mobility through Deformation Potential in Metal-Containing Insulated Molecular Wires2016

    • Author(s)
      Tatsuhiko Ohto, Hiroshi Masai, Jun Terao, Wakana Matsuda, Shu Seki, Yasushi Tsuji, Hirokazu Tada
    • Journal Title

      J. Phys. Chem. C

      Volume: 120 Issue: 47 Pages: 26637-26644

    • DOI

      10.1021/acs.jpcc.6b08557

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Electronic transport calculation based on density functional theory and its application to a single-molecule rectifier due to voltage-dependent deformation of molecular orbitals2018

    • Author(s)
      Tatsuhiko Ohto, Ryo Yamada, and Hirokazu Tada
    • Organizer
      International Symposium on Emerging Materials 2019
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Single-molecule rectifiers based on voltage-dependent deformation of molecular orbitals in carbazole oligomers2018

    • Author(s)
      Tatsuhiko Ohto, Ken Albrecht, Ryo Yamada, Keigo Minode, Kimihisa Yamamoto, Hirokazu Tada
    • Organizer
      APS March Meeting 2019
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Ab initio molecular dynamics study of hydration structure of trimethylamine N-oxide and urea2018

    • Author(s)
      Tatsuhiko Ohto
    • Organizer
      International Symposium on Molecular Science - Physical Chemistry / Theoretical Chemistry, Chemoinformatics, Computational Chemistry - Cosponsored by Japan Society for Molecular Science
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 第一原理計算を用いた金属錯体分子熱電素子の設計2018

    • Author(s)
      大戸達彦
    • Organizer
      基礎工学研究科附属未来研究推進センター研究会 「機能性分子錯体の化学・物理の新しい展開」
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 教師なし機械学習と第一原理計算を用いた単一分子接合の架橋構造解析2018

    • Author(s)
      大戸 達彦、沼井 優一、井上 拓也、美濃出 圭悟、徳本 潤平、山田 亮、家 裕隆、安蘇 芳雄、夛田 博一
    • Organizer
      第79回応用物理学会秋季学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 被覆型長鎖オリゴチフェンの電気伝導度の理論計算2018

    • Author(s)
      大戸達彦,岡本祐治, 井上拓也 , 利根紗織, 瀬尾卓司 , 家 裕隆 , 本田 康, 田中彰治, 沼井優一, Helen Stewart, See Kei Lee, 山田 亮, 安蘇芳雄, 夛田博一
    • Organizer
      第9回分子アーキテクトニクス研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 単一分子接合の第一原理伝導計算2018

    • Author(s)
      大戸達彦
    • Organizer
      第9回 NTChemワークショップ
    • Related Report
      2018 Annual Research Report
  • [Presentation] Trimethylamine-N-oxide: its hydration structure and surface activity, viewed by vibrational spectroscopy and molecular dynamics simulations2018

    • Author(s)
      Tatsuhiko Ohto
    • Organizer
      日本化学会第98春季年会
    • Related Report
      2017 Research-status Report
  • [Presentation] 分子ダイオードの第一原理伝導計算2018

    • Author(s)
      大戸達彦,美濃出圭悟,アルブレヒト建,山元公寿, Murni Handayani ,田中 啓文,片寄慎一,玉木 孝,寺尾 潤,山田 亮, 小川琢治,夛田博一
    • Organizer
      第8回分子アーキテクトニクス研究会
    • Related Report
      2017 Research-status Report
  • [Presentation] 被覆型有機金属分子ワイヤーのホール移動度の第一原理計算2017

    • Author(s)
      大戸 達彦 , 正井 宏 , 寺尾 潤 , 松田 若菜, 関 修平, 辻 康之, 夛田 博一
    • Organizer
      第64回応用物理学会春季学術講演会
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2017-03-14
    • Related Report
      2016 Research-status Report
  • [Presentation] Single molecular resonant tunneling diode based on orthogonal π-conjugated planes2017

    • Author(s)
      Tatsuhiko Ohto, Murni Handayani, Hirofumi Tanaka, Ryo Yamada, Takuji Ogawa, Hirokazu Tada
    • Organizer
      第78回応用物理学会秋季学術講演会
    • Related Report
      2017 Research-status Report
  • [Presentation] Theoretical Study on the Rectification Mechanisms of Molecular pn Diodes2017

    • Author(s)
      Tatsuhiko Ohto, Keigo Minode, Ken Albrecht, Kimihisa Yamamoto, Murni Handayani, Hirofumi Tanaka, Shinichi Katayose, Ryo Yamada, Takuji Ogawa, and Hirokazu Tada
    • Organizer
      International Workshop on Computational Nanotechnology
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Ab initio theory for computing sum frequency generation spectra at aqueous interfaces2017

    • Author(s)
      Tatsuhiko Ohto
    • Organizer
      4th International Conference on Physical and Theoretical Chemistry
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Ab initio theory for current-induced molecular switch2016

    • Author(s)
      大戸達彦
    • Organizer
      表面界面スペクトロスコピー2016
    • Place of Presentation
      秋保岩沼屋(宮城県仙台市)
    • Year and Date
      2016-11-25
    • Related Report
      2016 Research-status Report
  • [Presentation] 被覆型有機金属分子ワイヤーの電荷輸送; 柔らかな金属-炭素結合が生み出す高移動度2016

    • Author(s)
      大戸達彦、寺尾潤
    • Organizer
      【柔らかな分子系】第4回公開シンポジウム
    • Place of Presentation
      名古屋工業大学(愛知県名古屋市)
    • Year and Date
      2016-10-27
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] First-Principles Calculation for Electronic Transport in Molecular Junctions2016

    • Author(s)
      Tatsuhiko Ohto
    • Organizer
      EU-JAPAN Workshop 2016
    • Place of Presentation
      Peter Gruenberg Institute, Forschungszentrum Juelich, Germany
    • Year and Date
      2016-09-19
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] 電界による分子軌道変形を利用した単分子ダイオード2016

    • Author(s)
      大戸 達彦、美濃出 圭悟、アルブレヒト 建、山田 亮、山元 公寿、夛田 博一
    • Organizer
      第77回応用物理学会秋季学術講演会
    • Place of Presentation
      朱鷺メッセ(新潟県新潟市)
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
  • [Remarks]

    • URL

      http://molectronics.jp/members/51/

    • Related Report
      2018 Annual Research Report
  • [Remarks] 自分のページ

    • URL

      http://molectronics.jp/members/51/

    • Related Report
      2017 Research-status Report

URL: 

Published: 2016-04-21   Modified: 2020-03-30  

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