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RIKEN SPring-8 Center Imaging System Development Team

Team Leader: Yukio Takahashi (D.Eng.)

Research Summary

Yukio  Takahashi(D.Eng.)

The imaging system development team is developing novel imaging systems using advanced X-ray optics technology. The team will then establish the basis for applying the systems to the analysis of various practical materials and devices.

Main Research Fields

  • Interdisciplinary Science & Engineering

Related Research Fields

  • Engineering
  • Chemistry
  • Informatics
  • Quantum beam science
  • Material engineering
  • Nano/Micro science


  • X-ray Imaging
  • Coherent Diffraction Imaging
  • Ptychography
  • Materials Science

Selected Publications

  • 1.Takazawa, S., Dao, D. A., Abe, M., Uematsu, H., Ishiguro, N., Hoshino, T., Dam, H. C., Takahashi, Y.:
    "Coupling X-ray Photon Correlation Spectroscopy and Dynamic Coherent X-ray Diffraction Imaging: Particle Motion Analysis from Nano-to-Micrometer Scale"
    Physical Review Research 5, L042019 (2023).
  • 2.Ishiguro, N., Totsuka, T., Uematsu, H., Sekizawa, O., Yamamoto, K., Iriyama, Y., Takahashi, Y.:
    "Comprehensive Operando Visualization of the Electrochemical Events in the Cathode/Anode Layers of Thin-Film Type All-Solid-State Lithium-Ion Batteries"
    ACS Applied Energy Materials 6, 8306-8315 (2023).
  • 3.Takahashi, Y., Abe, M., Uematsu, H., Takazawa, S., Sasaki, Y., Ishiguro, N., Ozaki, K., Honjyo, Y., Nishino, H., Kobayashi, K., Hiraki, T., Joti, Y., Hatsui, T.:
    "High-resolution and high-sensitivity X-ray ptychographic coherent diffraction imaging using the CITIUS detector"
    Journal of Synchrotron Radiation 30, 989-994 (2023).
  • 4.Abe, M., Ishiguro, N., Uematsu, H., Takazawa, S., Kaneko, F., Takahashi, Y.:
    "X-ray ptychographic and fluorescence microscopy using virtual single-pixel imaging based deconvolution with accurate probe images"
    Optics Express 31, 26027-26039 (2023).
  • 5.Uematsu, H., Ishiguro, N., Abe, M., Takazawa, S., Kang, J., Konuma, I., Yabuuchi, N., Takahashi, Y.:
    "Nanoscale domain imaging of Li-rich disordered rocksalt-type cathode materials with X-ray spectroscopic ptychography"
    Physical Chemistry Chemical Physics 25, 3867-3874 (2023).
  • 6.Abe, M., Kaneko, F., Ishiguro, N., Kubo, T., Chujo, F., Tamenori, Y., Kishimoto, H., Takahashi, Y.:
    "Visualization of Sulfur Chemical State of Cathode Active Materials for Lithium-Sulfur Batteries by Tender X-ray Spectroscopic Ptychography"
    The Journal of Physical Chemistry C 126, 14047-14057 (2022).
  • 7.Ishiguro, N., Takahashi, Y.:
    "Method for Restoring of X-ray Absorption Fine Structure in Sparse Spectroscopic Ptychography"
    Journal of Applied Crystallography 55, 929-943 (2022).
  • 8.Abe, M., Kaneko, F., Ishiguro, N., Kudo, T., Matsumoto, T., Hatsui, T., Tamenori, Y., Kishimoto, H., Takahashi, Y.:
    "Development and application of tender X-ray ptychographic coherent diffraction imaging system at BL27SU of SPring-8"
    Journal of Synchrotron Radiation 28, 1610-1615 (2021).
  • 9.Uematsu, H., Ishiguro, N., Abe, M., Takazawa, S., Kang, J., Hosono, E., Nguyen, N. D., Dam, H. C., Okubo, M., Takahashi, Y.:
    "Visualization of Structural Heterogeneities in Particles of Lithium Nickel Manganese Oxide Cathode Materials by Ptychographic X-ray Absorption Fine Structure"
    The Journal of Physical Chemistry Letters 12, 5781-5788 (2021).
  • 10.Takazawa, S., Kang, J., Abe, M., Uematsu, H., Ishiguro, N., Takahashi, Y.:
    "Demonstration of single-frame coherent X-ray diffraction imaging using triangular aperture: Towards dynamic nanoimaging of extended objects"
    Optics Express 29, 14394-14402 (2021).

Related Links

Lab Members

Principal investigator

Yukio Takahashi
Team Leader

Contact Information

1-1-1 Kouto, Sayo-cho
Sayo-gun, Hyogo
679-5148 Japan
Email: yukio [at] spring8.or.jp