Kyushu University Academic Staff Educational and Research Activities Database
List of Papers
Takuya Horio Last modified dateļ¼š2023.11.08

Associate Professor / Physical Chemistry / Department of Chemistry / Faculty of Sciences


Papers
1. Naoya Kurahashi, Stephan Thürmer, Suet Yi Liu, Yo-ichi Yamamoto, Shutaro Karashima, Atanu Bhattacharya, Yoshihiro Ogi, Takuya Horio, Toshinori Suzuki, Design and characterization of a magnetic bottle electron spectrometer for time-resolved extreme UV and X-ray photoemission spectroscopy of liquid microjets, Structural Dynamics, 10.1063/4.0000107, 8, 3, 034303-034303, 2021.05.
2. Tetsuichiro Hayakawa, Masashi Arakawa, Satoshi Kono, Takefumi Handa, Naho Hayashi, Kento Minamikawa, Takuya Horio, Akira Terasaki, X-ray absorption spectroscopy of small copper-oxide cluster ions for analyses of Cu oxidation state and Ar complexation: CuOAr+ and Cu2O2 +, Zeitschrift für Physikalische Chemie, 10.1515/zpch-2020-1668, 235, 1-2, 213-224, 2021.02, Abstract
Small copper-oxide cluster cations, namely, CuOAr+ and Cu2O2
+, are studied by mass spectrometry and X-ray absorption spectroscopy (XAS) to investigate the oxidation state of copper atoms. The XAS in Cu L3-region revealed that the oxidation number of Cu is almost +2.1 and +2.3 for CuOAr+ and Cu2O2
+, respectively, which are consistent with the natural charges obtained by quantum chemical calculation. It was also revealed that the binding energy of Ar to CuO+ is unexpectedly high to form CuOAr+ dominantly as a result of a significant amount of charge transfer to the Ar atom..
3. 25aGL-10 Non-dissociative Photoionization Dynamics Studied by Time-Energy Mapping of Photoelectron Angular Distribution.
4. 28aHB-4 Soft X-ray photoelectron spectroscopy of liquid micro jets.
5. 21pTG-12 Two-dimensional electron spectroscopy of collisional ionization with metastable atoms for the outermost layer of surface.
6. Takuya Horio, Satoshi Maeda, Naoki Kishimoto, Koichi Ohno, Anisotropic interaction and stereoreactivity in a chemi-ionization process of OCS by collision with He*(2(3)S) metastable atoms., The journal of physical chemistry. A, 110, 38, 11010-7, 2006.09, Ionic-state-resolved collision energy dependence of Penning ionization cross sections for OCS with He*(2(3)S) metastable atoms was measured in a wide collision energy range from 20 to 350 meV. Anisotropic interaction potential for the OCS-He*(2(3)S) system was obtained by comparison of the experimental data with classical trajectory simulations. It has been found that attractive potential wells around the O and S atoms are clearly different in their directions. Around the O atom, the collinear approach is preferred (the well depth is ca. 90 meV), while the perpendicular approach is favored around the S atom (the well depth is ca. 40 meV). On the basis of the optimized potential energy surface and theoretical simulations, stereo reactivity around the O and S atoms was also investigated. The results were discussed in terms of anisotropy of the potential energy surface and the electron density distribution of molecular orbitals to be ionized..
7. 27pSA-5 Observation of Stereodynamics and Determination of Molecular Orbital Distribution by Collisional Ionization 2D Electron Spectroscopy with Metastable Atoms.
8. 25aYA-4 Observation of the anisotropy in collisional ionization processes using the two-dimensional electron spectroscopy with a low temperature beam source for metastable atoms.
9. Collision-Energy-Resolved Penning Ionization Electron Spectroscopy with Crossed Molecular-Metastable Atom Beams.