School personnel information





Mail Address

Mail Address

Laboratory Phone number


Laboratory Fax number




Organization 【 display / non-display

  • 2010.04.01 - 2016.03.31, Department of Chemistry, Graduate School of Science, Assistant Professor

  • 2016.04.01 - , Department of Chemistry, Graduate School of Science, Associate Professor

  • 2018.04.01 - , Institute for Radiation Sciences

Education 【 display / non-display

Osaka University Graduate School, Division of Natural Science Department of Chemistry Completed Ph.D. 2006.03

Employment Record 【 display / non-display

Japan Atomic Energy Agency, Postdoctoral fellow 2006.04 - 2009.03
RIKEN, Research associate 2009.04 - 2010.03
Osaka University, Assistant Professor 2010.04 - 2016.03

Research topics 【 display / non-display

  • Researches on nuclear chemistry
    Inorganic/coordination chemistry-related

Academic Society Membership 【 display / non-display

  • The Chemical Society of Japan

  • The Japan Society of Nuclear and Radiochemical Sciences

  • The Physical Society of Japan


Academic Papers 【 display / non-display

  • Development of new methods for aqueous chemistry on element 104, rutherfordium: Batch-type solid-liquid extraction and coprecipitation, Y. Kasamatsu, J. Nucl. Radiochem. Sci.,18, 24-31 (2018), 2018.12, Review Papers

  • Variation of half-life and internal-conversion electron energy spectrum between 235mU oxide and fluoride, Y. Shigekawa, Y. Kasamatsu, Y. Yasuda, M. Kaneko, M. Watanabe, and A. Shinohara, Phys. Rev. C,98, 014306/1-5 (2018), 2018.07, Papers

  • Toward an energy measurement of the internal conversion electron in the deexcitation of the 229Th isomer, S. Stellmer, Y. Shigekawa, V. Rosecker, G. A. Kazakov, Y. Kasamatsu, Y. Yasuda, A. Shinohara, and T. Schumm, Phys. Rev. C,98, 014317 (2018), 2018.07, Papers

  • Nuclear resonant scattering experiment with fast time response: photonuclear excitation of 201Hg, A. Yoshimi, H. Hara, T. Hiraki, Y. Kasamatsu, S. Kitao, Y. Kobayashi, K. Konashi, R. Masuda, T. Masuda, Y. Miyamoto, K. Okai, S. Okubo, R. Ozaki, N. Sasao, O. Sato, M. Seto, T. Schumm, Y. Shigekawa, S. Stellmer, K. Suzuki, S. Uetake, M. Watanabe, A. Yamaguchi, Y. Yasuda, Y. Yoda, K. Yoshimura, and M. Yoshimura, Phys. Rev. C,97 024607, 2018.02, Papers

  • Variation of the nuclear decay constants of 229mTh and 235mU affected by their chemical environments, Y. Kasamatsu and H. Kikunaga, Radioisotopes,67 481-482, 2018.02, Review Papers(In Japanese)

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Books 【 display / non-display

  • Dictionary, Dictionary of Nuclear Chemistry, Y. Nagame and others, ISBN, 978-4-254-36265-7, 2015.09