Development of Hydrogen Bonding Microscope Utilizing Local Vibrational Spectroscopoy

• Project/Area Number: 17K19047
• Research Category: Grant-in-Aid for Challenging Research (Exploratory)
• Allocation Type: Multi-year Fund
• Research Field: Applied condensed matter physics and related fields
• Research Institution: Tohoku University
• Principal Investigator: Komeda Tadahiro 東北大学, 多元物質科学研究所, 教授 (30312234)
• Co-Investigator(Kenkyū-buntansha): 道祖尾 恭之 東北大学, 多元物質科学研究所, 助教 (10375165) ; 高岡 毅 東北大学, 多元物質科学研究所, 講師 (90261479)
• Project Period (FY): 2017-06-30 – 2019-03-31
• Project Status: Completed (Fiscal Year 2018)
• Budget Amount: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000); Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000); Fiscal Year 2017: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
• Keywords: 走査トンネル顕微鏡 / 水素結合 / 非弾性トンネル分光 / 走査型トンネル顕微鏡 / ドーパミン / 走査プローブ顕微鏡 / １分子計測(SMD) / 超分子化学 / 分子認識 / マイクロ・ナノデバイス

Outline of Final Research Achievements

The vibration spectroscopy is one of the major chemical analysis techniques, which can reveal not only the functional group of the molecule, but also the bonding nature of the crystal. The hydrogen bonding is a critical interaction between molecules which determines the structure of the molecule assembly. In this work we develop a technique to map the hydrogen bonding using the scanning probe microscopes. Instead of observing the morphology of the crystal, we focus on obtaining the inelastic component of the tunneling current. By detecting the vibration mode corresponding to the O-H stretching mode with the effect of the formation of the hydrogen bonding, we successfully mapped the spatial distribution of the hydrogen bonding.

Academic Significance and Societal Importance of the Research Achievements

水素結合(HB)は分子集合体の構造形成に非常に重要な役割を果たし、有機分子の結晶、超分子の形成から生体分子の集合体の形成についても決定的な要因となる。しかしながら分析の観点からは、水素結合は正に帯電した水素原子と負に帯電した窒素分子の静電的相互作用であり、利用可能な分光的分析手法は限られている。最も明瞭なHBの分析手法として考えられているのは振動分光である。STMの優れた空間分解能を用い、振動情報を空間的にマッピングすることで得られる水素結合の分布は、化学にとどまらず生物分野でも大きく貢献すると考えられる。

Research Products

• [Journal Article] Spin properties of single-molecule magnet of double-decker Tb(III)-phthalocyanine (TbPc2) on ferromagnetic Co film characterized by spin polarized STM (SP-STM) (2019)
  • Author(s): F. Ara, H. Oka, Y. Sainoo, K. Katoh, M. Yamashita, and T. Komeda
  • Journal Title: Journal of Applied Physics Volume: 125 Issue: 18 Pages: 183901-183901
  • DOI: 10.1063/1.5079964
  • Peer Reviewed
• [Journal Article] Inelastic electron tunneling spectroscopy by STM of phonons at solid surfaces and interfaces (2018)
  • Author(s): E. Minamitani, N. Takagi, R. Arafune, T. Frederiksen, T. Komeda, H. Ueba, S. Watanabe
  • Journal Title: Prog. Surf. Sci. Volume: 93 Issue: 4 Pages: 131-145
  • DOI: 10.1016/j.progsurf.2018.09.002
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Coordination structure conversion of protonated bisporphyrinato terbium(iii) double-decker complexes and creation of a Kondo assembly by electron injection on the Au(111) surface (2018)
  • Author(s): Tomoko Inose, Daisuke Tanaka, Jie Liu, Mizu Kajihara, Puneet Mishra, Takuji Ogawa, Tadahiro Komeda
  • Journal Title: NANOSCALE Volume: 10 Issue: 41 Pages: 19409-19417
  • DOI: 10.1039/c8nr04630a
  • Peer Reviewed
• [Journal Article] Atomic-scale characterization of the interfacial phonon in graphene/SiC (2017)
  • Author(s): E. Minamitani, R. Arafune, T. Frederiksen, T. Suzuki, S. M. F. Shahed, T. Kobayashi, N. Endo, H. Fukidome, S. Watanabe, T. Komeda,
  • Journal Title: Phys. Rev. B Volume: 96 Issue: 15 Pages: 155431-155431
  • DOI: 10.1103/physrevb.96.155431
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Formation and Characterization of Copper Nanocube-Decorated Reduced Graphene Oxide Film (2017)
  • Author(s): M. Z. H. Khan, M. A. Rahman, P. Yasmin, F. K. Tareq, N. Yuta, T. Komeda, R. A. Jahan
  • Journal Title: Journal of Nanomaterials Volume: 2017 Pages: 5702838-5702838
  • DOI: 10.1155/2017/5702838
• [Presentation] Single Molecule Magnet Characterization Using Spin Polarized Tunneling Spectroscopy and Kondo resonance (2018)
  • Author(s): Tadahiro Komeda, Hirofumi Oka and Puneet Mishra
  • Organizer: Workshop on Advanced Scanning Probe Microscopy 2018 (ASPM 2018)
  • Int'l Joint Research / Invited
• [Presentation] Characterization of Spintronic Behavior of Single Molecule Magnet by using Scanning Tunneling Microscopy (2018)
  • Author(s): Tadahiro Komeda
  • Organizer: 43rd International Conference on Coordination Chemistry (ICCC2018), Sendai Japan
  • Int'l Joint Research / Invited
• [Presentation] Atomic-scale Characterization of the Interfacial Phonon in Graphene/SiC using Inelastic Tunneling Spectroscopy (2017)
  • Author(s): Y. Sainoo, E. Minamitani, R. Arafune, T. Frederiksen, T. Suzuki, S. Shahed, T. Kobayashi, N. Endo, H. Fukidome, S. Watanabe, T. Komeda
  • Organizer: 25th International Colloquium on Scanning Probe Microscopy (ICSPM25)
  • Int'l Joint Research