Research Summary

Main Research Fields

• Interdisciplinary Science & Engineering

Related Research Fields

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

Keywords

• 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).

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