SHIN-ICHI WADA

Last Updated :2024/06/05

Affiliations, Positions
Graduate School of Advanced Science and Engineering, Associate Professor
Web Site
E-mail
wadasinhiroshima-u.ac.jp
Other Contact Details
1-3-1, Kagamiyama, Higashi-Hiroshima, Japan
TEL : (+81)82-424-7401 FAX : (+81)82-424-7401
Self-introduction
By using synchrotron radiation and lasers, I am investigating functions and atomic-level dynamics of nanomaterials and bio-related molecules, and exploring the fusion of physics-based science with chemistry and biology.

Basic Information

Academic Degrees

  • Doctor (Science), Tokyo Institute of Technology
  • Master of Science, Tokyo Institute of Technology

Educational Activity

  • [Bachelor Degree Program] School of Science : Physics : Physics
  • [Master's Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Physics Program
  • [Doctoral Program] Graduate School of Advanced Science and Engineering : Division of Advanced Science and Engineering : Physics Program

In Charge of Primary Major Programs

  • Physics

Research Fields

  • Mathematical and physical sciences;Physics;Atomic / Molecular / Quantum electronics
  • Mathematical and physical sciences;Physics;Biological physics / Chemical physics / Soft matter physics
  • Chemistry;Basic chemistry;Physical chemistry
  • Interdisciplinary science and engineering;Nano / Micro science;Nanostructural chemistry

Research Keywords

  • Synchrotron radiation
  • Laser
  • Spectroscopy
  • Chemical reaction dynamics
  • Photochemical reaction
  • Core-electron excitation
  • Self-assembled monolayers (SAMs)
  • nanoparticles, nanocrystals
  • Surfaces
  • Radical molecules

Affiliated Academic Societies

  • The Physical Society of Japan
  • Japan Society of Molecular Science
  • The Spectroscopical Society of Japan
  • The Chemical Society of Japan
  • The Japanese Society for Synchrotron Radiation Research
  • The Biophysical Society of Japan

Educational Activity

Course in Charge

  1. 2024, Undergraduate Education, 4Term, Advanced Physics
  2. 2024, Undergraduate Education, First Semester, Laboratory in PhysicsI
  3. 2024, Undergraduate Education, Second Semester, Laboratory in PhysicsII
  4. 2024, Undergraduate Education, First Semester, Special Study for Graduation A
  5. 2024, Undergraduate Education, Second Semester, Special Study for Graduation B
  6. 2024, Undergraduate Education, Second Semester, Atomic and Molecular Science in the Soft X-ray Region: Progress Using Synchrotron Radiation and FEL
  7. 2024, Undergraduate Education, 1Term, Experiments in General Physics A
  8. 2024, Graduate Education (Master's Program) , 2Term, Special Topics in Synchrotron Radiation Science B
  9. 2024, Graduate Education (Master's Program) , 3Term, Laboratory in Synchrotron Radiation Science
  10. 2024, Graduate Education (Master's Program) , Second Semester, Special Lecture in Physics C
  11. 2024, Graduate Education (Master's Program) , First Semester, Exercise in Physics I
  12. 2024, Graduate Education (Master's Program) , Second Semester, Exercise in Physics II
  13. 2024, Graduate Education (Master's Program) , First Semester, Special Exsecise in Physics A
  14. 2024, Graduate Education (Master's Program) , Second Semester, Special Exsecise in Physics B
  15. 2024, Graduate Education (Master's Program) , Academic Year, Special Research in Physics
  16. 2024, Graduate Education (Doctoral Program) , Academic Year, Special Research in Physics

Research Activities

Academic Papers

  1. Frequency-domain interferometry for the determination of time delay between two extreme-ultraviolet wave packets generated by a tandem undulator, SCIENTIFIC REPORTS, 13, 10292, 20230410
  2. Incorporation of a bromine atom into DNA-related molecules changes their electronic properties, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 25(21), 14836-14847, 20230531
  3. Time domain double slit interference of electron produced by XUV synchrotron radiation, SCIENTIFIC REPORTS, 13(1), 20230415
  4. Spectral phase interferometry for direct electric-field reconstruction of synchrotron radiation, OPTICA, 10(2), 302-307, 20230220
  5. Ionization of Xenon Clusters by a Hard X-ray Laser Pulse, APPLIED SCIENCES-BASEL, 13(4), 202302
  6. Surface explosion and subsequent core expansion of laser-heated clusters probed by time-resolved photoelectron spectroscopy, PHYSICAL REVIEW A, 106(4), 20221025
  7. Electronic properties of DNA-related molecules containing a bromine atom, Int. J. Radiat. Biol., 20200812
  8. ★, Active control of chemical bond scission by site-specific core excitation, SURFACE SCIENCE, 528(1-3), 242-248, 20030320
  9. Study of photon stimulated ion desorption of methyl ester terminated self-assembled monolayer induced by carbon core excitation using Auger electron-photoion coincidence spectroscopy, SURFACE SCIENCE, 532, 267-271, 20030610
  10. ★, Study of neutral desorption reaction of core-excited PMMA thin film by femtosecond laser ionization, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 137, 211-216, 200407
  11. Study of adsorption structure of benzene and toluene on Si(111)7x7 surfaces, SURFACE SCIENCE, 566, 664-670, 20040920
  12. Dissociation mechanisms and dynamics of core-excited (N2O)(n) clusters, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 144, 179-182, 200506
  13. Polarization-dependent dissociation selectively induced by core-electron excitation in methyl ester terminated self-assembled monolayer, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 144, 447-451, 200506
  14. ★, Selective chemical bond breaking characteristically induced by resonant core excitation of ester compounds on a surface, JOURNAL OF PHYSICS-CONDENSED MATTER, 18(30), S1629-S1653, 20060802
  15. Atomic position dependence of the primary core electron excitation on site-specific chemical bond scission, RADIATION PHYSICS AND CHEMISTRY, 75(11), 2076-2079, 200611
  16. Adsorption and structure of methyl mercaptoacetate on Cu(111) surface by XPS and NEXAFS spectroscopy, SURFACE SCIENCE, 601(18), 3833-3837, 20070915
  17. ★, Configuration dependence of photon stimulated ion desorption from methyl ester compounds induced by core excitation, SURFACE SCIENCE, 601(18), 3956-3960, 20070915
  18. ★, Double-core-hole spectroscopy for chemical analysis with an intense X-ray femtosecond laser, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 108(41), 16912-16915, 20111011
  19. Photon stimulated ion desorption of polymer thin films induced by core excitation, Shinku, 46(1), 9-14, 20030120
  20. ★, Photochemical reaction dynamics of O(1D) with saturated hydrocarbons, CH4, C2H6, and C3H8, under bulk conditions and in van der Waals complexes, Journal of Physical Chemistry A, 102(20), 3481-3491, 19980514
  21. ★, Laser-induced fluorescence spectroscopy of jet-cooled benzophenone ketyl radical, Journal of Physical Chemistry A, 101(13), 2423-2428, 19970301
  22. Control of chemical bond breaking utilizing resonant core excitations: Toward the "Molecular scalpel", Journal of the Japanese Society for Synchrotron Radiation Research, 18(3), 148-155, 20050531
  23. Preface for the special issue "Infrared free electron laser: Current status, application and prospect", Journal of the Japanese Society for Synchrotron Radiation Research, 34(3), 123-124, 20210531
  24. Photon-stimulated ion desorption for PMMA thin film in the oxygen K-edge region studied by Auger electron-photoion coincidence spectroscopy, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 114, 585-590, 200103
  25. Mechanism of ion desorption reaction of PMMA thin film induced by core excitation, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 114, 591-596, 200103
  26. Study of ion desorption induced by carbon core excitation for poly-methylmethacrylate thin film using electron-ion coincidence spectroscopy, JOURNAL OF CHEMICAL PHYSICS, 114(6), 2751-2759, 20010208
  27. Development of a time-of-flight mass spectrometer for ion desorption studies at HiSOR, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 467, 1509-1513, 20010721
  28. Control of chemical reactions by core excitations, JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 119(2-3), 255-266, 200108
  29. Orientation and charge transfer upon adsorption of ethanethiol on Cu(111) surface at 85 K, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 199, 240-243, 200301
  30. Active control of site specificity in ion desorption by core excitation, NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 199, 361-365, 200301
  31. Theoretical study of ion desorption from poly-(methyl methacrylate) and poly-(isopropenyl acetate) thin films through core excitation, JOURNAL OF CHEMICAL PHYSICS, 124(12), 20060328
  32. Production of methyl-oxonium ion and its complexes in the core-excited (HC(O)OCH(3))(n) clusters: H/H(+) transfer from the alpha carbonyl, JOURNAL OF CHEMICAL PHYSICS, 123(12), 20050922
  33. ★, Ion desorption of surface-oriented methyl-ester compounds using a self-assembled monolayer by core-electron excitations: Polarization-dependence measurements, SURFACE SCIENCE, 593(1-3), 283-290, 20051120
  34. Dissociation mechanism and dynamics of core-excited organic molecules and clusters: Deuterium labeled methyl-formate, JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY, 43(4), 441-445, 200604
  35. Dissociation mechanisms and dynamics of doubly charged CD3CN observed by PEPIPICO spectroscopy, RADIATION PHYSICS AND CHEMISTRY, 75(11), 2085-2089, 200611
  36. Angle-Resolved Electron Spectroscopy of Laser-Assisted Auger Decay Induced by a Few-Femtosecond X-Ray Pulse, PHYSICAL REVIEW LETTERS, 108(6), 20120210
  37. Experimental Verification of the Chemical Sensitivity of Two-Site Double Core-Hole States Formed by an X-Ray Free-Electron Laser, PHYSICAL REVIEW LETTERS, 108(15), 20120413
  38. ★, Size-Dependent Ultrafast Ionization Dynamics of Nanoscale Samples in Intense Femtosecond X-Ray Free-Electron-Laser Pulses, PHYSICAL REVIEW LETTERS, 108(23), 20120604
  39. Ultrafast Charge Rearrangement and Nuclear Dynamics upon Inner-Shell Multiple Ionization of Small Polyatomic Molecules, PHYSICAL REVIEW LETTERS, 110(5), 20130130
  40. Resonance-enhanced multiple ionization of krypton at an x-ray free-electron laser, PHYSICAL REVIEW A, 87(2), 20130219
  41. Deep Inner-Shell Multiphoton Ionization by Intense X-Ray Free-Electron Laser Pulses, PHYSICAL REVIEW LETTERS, 110(17), 20130426
  42. Anomalous signal from S atoms in protein crystallographic data from an X-ray free-electron laser, ACTA CRYSTALLOGRAPHICA SECTION D-BIOLOGICAL CRYSTALLOGRAPHY, 69, 838-842, 201305
  43. Dynamics of Hollow Atom Formation in Intense X-Ray Pulses Probed by Partial Covariance Mapping, PHYSICAL REVIEW LETTERS, 111(7), 20130813
  44. Sequential multiphoton multiple ionization of atomic argon and xenon irradiated by X-ray free-electron laser pulses from SACLA, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 46(16), 20130828
  45. Double core-hole formation in small molecules at the LCLS free electron laser, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 46(16), 20130828
  46. Inner-shell multiple ionization of polyatomic molecules with an intense x-ray free-electron laser studied by coincident ion momentum imaging, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 46(16), 20130828
  47. Using covariance mapping to investigate the dynamics of multi-photon ionization processes of Ne atoms exposed to X-FEL pulses, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 46(16), 20130828
  48. Photoelectron angular distributions in infrared one-photon and two-photon ionization of FEL-pumped Rydberg states of helium, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 46(20), 20131028
  49. Pulse-delay effects in the angular distribution of near- threshold EUV plus IR two-photon ionization of Ne, PHYSICAL REVIEW A, 89(1), 20140121
  50. ★, Nanoplasma Formation by High Intensity Hard X-rays, SCIENTIFIC REPORTS, 5, 20150616
  51. Covariance mapping of two-photon double core hole states in C2H2 and C2H6 produced by an x-ray free electron laser, NEW JOURNAL OF PHYSICS, 17, 20150702
  52. ★, Charge and Nuclear Dynamics Induced by Deep Inner-Shell Multiphoton Ionization of CH3I Molecules by Intense X-ray Free-Electron Laser Pulses, JOURNAL OF PHYSICAL CHEMISTRY LETTERS, 6(15), 2944-2949, 20150806
  53. ★, Water adsorption on TiO2 surfaces probed by soft X-ray spectroscopies: bulk materials vs. isolated nanoparticles, SCIENTIFIC REPORTS, 5, 20151014
  54. Ionic Solutions Probed by Resonant Inelastic X-ray Scattering, ZEITSCHRIFT FUR PHYSIKALISCHE CHEMIE-INTERNATIONAL JOURNAL OF RESEARCH IN PHYSICAL CHEMISTRY & CHEMICAL PHYSICS, 229(10-12), 1855-1867, 2015
  55. Electron spectroscopy of rare-gas clusters irradiated by x-ray free-electron laser pulses from SACLA, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 49(3), 20160214
  56. ★, Chemical Reaction by Core Electron Excitation, Journal of the Mass Spectrometry Society of Japan, 58(1), 17-27, 20100201
  57. Ultrafast Dynamics of a Nucleobase Analogue Illuminated by a Short Intense X-ray Free Electron Laser Pulse, PHYSICAL REVIEW X, 6(2), 20160616
  58. Interatomic Coulombic decay cascades in multiply excited neon clusters, Nature Communications, 7, 20161205
  59. Femtosecond charge and molecular dynamics of I-containing organic molecules induced by intense X-ray free-electron laser pulses, FARADAY DISCUSSIONS, 194, 537-562, 2016
  60. Ultrafast Coulomb explosion of a diiodomethane molecule induced by an X-ray free-electron laser pulse, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 19(30), 19707-19721, 20170814
  61. Radiation-Induced Chemical Dynamics in Ar Clusters Exposed to Strong X-Ray Pulses, PHYSICAL REVIEW LETTERS, 120(22), 20180531
  62. Following the Birth of a Nanoplasma Produced by an Ultrashort Hard-X-Ray Laser in Xenon Clusters, PHYSICAL REVIEW X, 8(3), 20180802
  63. Site-selective bond breaking induced by resonant core-excitations, Reference Module in Chemistry, Molecular Sciences and Chemical Engineering, 621-628, 20180423
  64. Coulomb implosion of tetrabromothiophene observed under multiphoton ionization by free-electron-laser soft-x-ray pulses, PHYSICAL REVIEW A, 99(2), 20190211
  65. Real-time observation of X-ray-induced intramolecular and interatomic electronic decay in CH2I2, NATURE COMMUNICATIONS, 10, 20190516
  66. Photo-ionization and fragmentation of Sc3N@C-80 following excitation above the Sc K-edge, JOURNAL OF CHEMICAL PHYSICS, 151(10), 20190914
  67. Electron spectroscopic study of nanoplasma formation triggered by intense soft x-ray pulses, JOURNAL OF CHEMICAL PHYSICS, 151(18), 20191114
  68. Multispectroscopic Study of Single Xe Clusters Using XFEL Pulses, APPLIED SCIENCES-BASEL, 9(22), 20191102
  69. Refinement for single-nanoparticle structure determination from low-quality single-shot coherent diffraction data, IUCRJ, 7, 10-17, 202001
  70. Real-time observation of disintegration processes within argon clusters ionized by a hard-x-ray pulse of moderate fluence, PHYSICAL REVIEW A, 101(2), 20200225
  71. Multi-particle momentum correlations extracted using covariance methods on multiple-ionization of diiodomethane molecules by soft-X-ray free-electron laser pulses, PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 22(5), 2648-2659, 20200207
  72. The birth of a nanoplasma produced by an ultrashort hard-x-ray laser in xenon clusters, Journal of the Japanese Society for Synchrotron Radiation Research, 33(1), 10-18, 2020
  73. Observation of X-ray-induced ultrafast dynamics of gaseous molecules, Journal of the Japanese Society for Synchrotron Radiation Research, 33(2), 81-86, 2020
  74. Surface plasma resonance in Xe clusters studied by EUV pump-NIR probe experiments, JOURNAL OF PHYSICS COMMUNICATIONS, 5(1), 202101
  75. Suppression of thermal nanoplasma emission in clusters strongly ionized by hard x-rays, JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 54(4), 20210217

Publications such as books

  1. Fundamentals of mass spectrometry, Chemical reactions induced by core electron excitations, 9781461472322
  2. 2018, Encyclopedia of Interfacial Chemistry 1st Edition - Surface Science and Electrochemistry, Site-Selective Bond Breaking Induced by Resonant Core-Excitations, Elsevier, 2018, 2018, Dictionary/Encyclopedia, Cocompilation, 9780128097397

Invited Lecture, Oral Presentation, Poster Presentation

  1. Ionic desorption mechanism in core-electron excitation of surface-oriented methyl ester compound using self-assembled monolayer: polarization-dependence measurement, S. Wada, 10th International Workshop on Desorption Induced by Electronic Transitions (DIET-10), 2004/11, With Invitation, English
  2. Prospects of Nano-scale Material Science at SACLA, S. Wada, The First Discussion Meeting on MAXIC @ SACLA, 2011/06/09, With Invitation, English
  3. Characteristic bond breaking in methyl ester compounds on surface induced by core electron excitations, S. Wada, 21st International Conference On Photochemistry (ICP21), 2003/07, With Invitation, English
  4. Study of neutral desorption reaction of core-excited water and PMMA by laser induced non-resonant multiphoton ionization, S. Wada, 9th International Conference on Electronic Spectroscopy and Structure (ICESS-9), 2003/07, With Invitation, English
  5. Site-specific ion desorption of ester terminated self-assembled monolayers by core excitation, S. Wada, International Workshop on Dynamics in Core-Excited Molecules (IWDCEM), 2002/08, With Invitation, English
  6. Direct and indirect desorption induced by core-excitations of ester thin films, S. Wada, The 4th Japan-Sweden Workshop on Advanced Spectroscopy of Organic Materials for Electronic Applications (ASOMEA-IV), 2007/10, With Invitation, English
  7. Soft X-ray photochemistry of surface molecules at HiSOR, S. Wada, The 12th Hiroshima International Symposium on Synchrotron Radiation, Without Invitation, English
  8. Core-excitation induced photochemical reactions of benzene derivative SAMs, S. Wada, The 5th Japan-Sweden Workshop on Advanced Spectroscopy of Organic Materials for Electronic Applications (ASOMEA-V), With Invitation, English, Uppsala, Sweden
  9. Structural change of photosensitive organic nano-crystals: Toward UV pump - X-ray probe measurements, S. Wada, Discussion Meeting on FEL experiments and Electron/molecular Dynamics, 2012/03/29, With Invitation, English, Kyoto, Japan
  10. New progress in photoscience with X-ray free electron laser (XFEL), S. Wada, 2014 Japan-Korea Student Workshop Hiroshima University & Pusan National University, 2014/07/11, With Invitation, English
  11. Prospect for investigating photopolymerization dynamics at SACLA, S. Wada, HeKKSaGOn Discussion meeting on ultrafast chemistry, 2015/04/18, With Invitation, English, Sendai, Japan
  12. Investigation of site-selective bond breaking induced by resonant core-excitations, S. Wada, Workshop on "Present Challenges in Surface Science and Photon Driven Phenomena at Interfaces", 2015/04/24, With Invitation, English, Munich, Germany
  13. Evaluation of molecular conductivity of organic monolayers utilizing core-electron excitations, Shin-ichi Wada, 2019 the 3rd International Conference on Materials Engineering and Nano Sciences (ICMENS 2019), 2019/03/27, With Invitation, English, Hiroshima
  14. Charge and nuclear dynamics of atoms and molecules induced by XFEL pulses, Shin-ichi Wada, International Young Researchers Workshop on Synchrotron Radiation Science 2019, 2019/09/03, With Invitation, English, Higashi-Hiroshima

External Funds

Acceptance Results of Competitive Funds

  1. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2023, 2025
  2. KAKENHI, 2014, 2016
  3. KAKENHI, 2011, 2013
  4. KAKENHI(Grant-in-Aid for Scientific Research (C)), 2020, 2022
  5. KAKENHI(Grant-in-Aid for Scientific Research (B)), 2022, 2024