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RIKEN SPring-8 Center

SR Materials Science Instrumentation Team

Team Leader: Masaki Oura (D.Sci.)
Masaki  Oura(D.Sci.)

New discovery is often correlated with new methodology and the development of measurement system. The SR materials science instrumentation unit is primarily responsible for maintaining and managing the 27m-long undulator beamline of BL19LXU at SPring-8. In addition, the unit is responsible for the development and improvement of various technologies for advanced materials science research, especially for materials dynamics by means of time-resolved measurement methods. The unit will also contribute to development of new technology, which is useful for the experiments using the intense pulsed X-rays produced from the x-ray free electron laser facility, SACLA.

Main Research Field

Interdisciplinary science and engineering

Related Research Fields

Mathematical and physical sciences

Keywords

  • HAXPES
  • Materials Science
  • X-ray Optics

Selected Publications

  1. Pincelli, T., Lollobrigida, V., Borgatti, F., Regoutz, A., Gobaut, B., Schlueter, C., Lee, T.-L., Payne, D.J., Oura, M., Tamasaku, K., Petrov, A.Y., Graziosi, P., Miletto Granozio, F., Cavallini, M., Vinai, G., Ciprian, R., Back, C.H., Rossi, G., Taguchi, M., Daimon, H., van der Laan, G., and Panaccione G.:
    "Quantifying the critical thickness of electron hybridization in spintronics materials"
    Nat. Commun. 8, 16051 (2017).
  2. Tamasaku, K., Inubushi, Y., Inoue, I., Tono, K., Yabashi, M., and Ishikawa, T.:
    "Inline spectrometer for shot-by-shot determination of pulse energies of a two-color x-ray free-electron laser"
    J. Synchrotron Rad., 23, 331-333 (2016).
  3. Taguchi, M., Chainani, A., Ueda, S., Matsunami, M., Ishida, Y., Eguchi, R., Tsuda, S., Takata, Y., Yabashi, M., Tamasaku, K., Nishino, Y., Ishikawa, T., Daimon, H., Todo, S., Tanaka, H., Oura, M., Senba, Y., Ohashi, H., and Shin, S.:
    "Temperature dependence of magnetically active charge excitations in magnetite across the Verwey transition"
    Phys. Rev. Lett., 115, 256405 (2015).
  4. Bhobe, P.A., Kumar, A., Taguchi, M., Eguchi, R., Matsunami, M., Takata, Y., Nandy, A.K., Mahadevan, P., Sarma, D.D., Neroni, A., Şaşioğlu, E., Ležaic, M., Oura, M., Senba, Y., Ohashi, H., Ishizaka, K., Okawa, M., Shin, S., Tamasaku, K., Kohmura, Y., Yabashi, M., Ishikawa, T., Hasegawa, K., Isobe, M., Ueda, Y., and Chainani, A.:
    "Electronic structure evolution across the Peierls metal-insulator transition in a correlated ferromagnet"
    Phys. Rev. X5, 041004 (2015).
  5. Kanai, Y., Mori, T., Naimen, S., Yamagami, K., Fujiwara, H., Higashiya, A., Kadono, T., Imada, S., Kiss, T., Tanaka, A., Tamasaku, K., Yabashi, M., Ishikawa, T., Iga, F., and Sekiyama, A.:
    "Evidence for Gamma(8) ground-state symmetry of cubic YbB12 probed by linear dichroism in core-level photoemission"
    J. Phys. Soc. Jpn., 84, 073705 (2015).
  6. Oura, M., Oloff, L.-P., Chainani, A., Rossnagel, K., Matsunami, M., Eguchi, R., Kiss, T., Yamaguchi, T., Nakatani, Y., Miyawaki, J., Yamagami, K., Taguchi, M., Togashi, T., Katayama, T., Ogawa, K., Yabashi, M., Gejo, T., Myojin, K., Tamasaku, K., Tanaka, Y., Ebihara, T., and Ishikawa, T.:
    "Electron dynamics probed by time-resolved hard x-ray photoelectron spectroscopy"
    Trans. Mat. Res. Soc. Jpn., 39, 469-473 (2014).
  7. Oloff, L.-P., Oura, M., Rossnagel, K., Chainani, A., Matsunami, M., Eguchi, R., Kiss, T., Nakatani, Y., Yamaguchi, T., Miyawaki, J., Taguchi, M., Yamagami, K., Togashi, T., Katayama, T., Ogawa, K., Yabashi, M., and Ishikawa, T.:
    "Time-resolved HAXPES at SACLA: probe and pump pulse-induced space-charge effects"
    New J. Phys. 16, 123045 (2014).
  8. Chainani, A., Matsunami, M., Taguchi, M., Eguchi, R., Takata, Y., Oura, M., Shin, S., Sengupta, K., Sampathkumaran, E.V., Doert, Th., Senba, Y., Ohashi, H., Tamasaku, K., Kohmura, Y., Yabashi, M., and Ishikawa, T.:
    "Electronic structure of CeCuAs2"
    Phys. Rev., B89, 235117 (2014).
  9. Tamasaku, K., Shigemasa, E., Inubushi, Y., Katayama, T., Sawada, K., Yumoto, H., Ohashi, H., Mimura, H., Yabashi, M., Yamauchi, K., and Ishikawa, T.:
    "X-ray two-photon absorption competing against single and sequential multiphoton processes"
    Nat. Photo., 8, 313-316 (2014).
  10. Oura M., Wagai, T., Chainani, A., Miyawaki, J., Sato, H., Matsunami, M., Eguchi, R., Kiss, T., Yamaguchi, T., Nakatani, Y., Togashi, T., Katayama, T., Ogawa, K., Yabashi, M., Tanaka, Y., Kohmura, Y., Tamasaku, K., Shin, S., and Ishikawa, T.:
    "Development of single-shot CCD-based data acquisition system for time-resolved x-ray photoelectron spectroscopy at an x-ray free electron laser facility"
    J. Synchrotron Rad., 21, 183-192 (2014).

Lab Members

Principal Investigator

Masaki Oura
Team Leader

Core Members

Kenji Tamasaku
Research Scientist

Contact information

1-1-1 Kouto, Sayo-cho
Sayo-gun, Hyogo
679-5148 Japan

Email: oura [at] spring8.or.jp

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