Institute of Multidisciplinary Research for Advanced Materials, Tohoku University


LAST UPDATE 2021/05/18

  • 研究者氏名
    Researcher Name

    渡邉昇 Noboru WATANABE
    准教授 Associate Professor
  • 所属
    Professional Affiliation

    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

    マテリアル・計測ハイブリッド研究センター 量子電子科学研究分野
    Materials-Measurement Hybrid Research Center, Quantum Electron Science
  • 研究キーワード
    Research Keywords

    Molecular science
    Electron scattering spectroscopy
    Collision physics
    Quantum chemistry
Research Subject
Investigation of electronic motions in molecules using electron scattering spectroscopy

研究の背景 Background


Our fundamental understanding of nature is based on the atomic-scale knowledge of structures and properties of matter as well as interactions with radiation and charged particles. In particular, a number of properties of matter, such as functionality and reactivity, are strongly governed by motions of the constituent electrons. Thus, detailed understandings of electronic motions have long been required.

研究の目標 Outcome


Electron scattering experiments are powerful tools for investigating the electronic structure of matter. The momentum transfer dependence of the scattering cross sections provides valuable information about the shape of molecular orbitals, correlated motion of electrons, electronic excitation dynamics and so on. The main objective of my research is to develop new spectroscopic methods using electron scattering for elucidation of electronic motions in molecules.

研究図Research Figure

Fig.1. Interference phenomena observed in the electron momentum distribution of non-bonding orbitals of CF4. Fig.2. Schematic of an electron-ion coincidence spectrometer developed to observe electron scattering cross sections in molecular frame. Fig.3 Coulomb hole of N2 determined by an x-ray scattering experiment.

文献 / Publications

J. Chem. Phys. 138, 184311 (2013). Phys. Rev. Lett. 108, 173201 (2012). J. Chem. Phys. 137, 114301 (2012). Phys. Rev. A 75, 052701 (2007).
J. Chem. Phys. 108, 4545 (1998). Molecular Science 7, A0059 (2013), award accounts.