Kazuhiro Iwamatsu

Brookhaven National Laboratory

Chemistry Division
Bldg. 555
P.O. Box 5000
Upton, NY 11973-5000

(631) 344-8367
iwamatsu@bnl.gov

Research | Education | Appointments | Publications

Research Activities

Electron- and Photo-Induced Processes for Molecular Energy Conversion

Research Interests

Radiation Chemistry; oxidizing and reducing reaction induced by radiation in pure water, aqueous solution, molten salt.

Education

Ph.D., Engineering (Radiation Chemistry), The University of Tokyo, Japan
M.S., Engineering (Radiation Chemistry), The University of Tokyo, Japan
B.S., Applied physics (Radiation Detection), Waseda University, Japan

Professional Appointments

Brookhaven National Laboratory, 2026-Present
Hunter College, CUNY, 2024-Present
Brookhaven National Laboratory, 2019-2024
University of Notre Dame, 2015-2019
Japan Atomic Energy Agency, 2010-2015
The University of Tokyo, 2012-2014

Selected Publications

• Iwamatsu K, Sundin S, LaVerne JA (2018) Hydrogen peroxide kinetics in water radiolysis. Radiation Physics and Chemistry 145:207–212. doi: 10.1016/j.radphyschem.2017.11.002
• Yanagida T, Koshimizu M, Fujimoto Y, Kurashima S, Iwamatsu K, Kimura A, Taguchi M, Okada G, Kawaguchi N (2017) Analysis of excitation density effects on the scintillation properties of Ce:Gd2SiO5 (GSO) crystals. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 409:27–30. doi: 10.1016/j.nimb.2017.04.001
• Iwamatsu K, Muroya Y, Yamashita S, Kimura A, Taguchi M, Katsumura Y (2016) Quick measurement of continuous absorption spectrum in ion beam pulse radiolysis: Application of optical multi-channel detector into transient species observation. Radiation Physics and Chemistry 119:213–217. doi: 10.1016/j.radphyschem.2015.10.024
• Koshimizu M, Iwamatsu K, Taguchi M, Kurashima S, Kimura A, Yanagida T, Fujimoto Y, Watanabe K, Asai K (2016) Influence of linear energy transfer on the scintillation decay behavior in a lithium glass scintillator. Journal of Luminescence 169:678–681. doi: 10.1016/j.jlumin.2015.04.015
• Yamashita S, Iwamatsu K, Maehashi Y, Taguchi M, Hata K, Muroya Y, Katsumura Y (2015) Sequential radiation chemical reactions in aqueous bromide solutions: pulse radiolysis experiment and spur model simulation. RSC Advances 5:25877–25886. doi: 10.1039/c5ra03101j
• Koshimizu M, Kurashima S, Taguchi M, Iwamatsu K, Kimura A, Asai K (2015) System for measuring temporal profiles of scintillation at high and different linear energy transfers by using pulsed ion beams. Review of Scientific Instruments 86:013101. doi: 10.1063/1.4904872
• Yanagida T, Koshimizu M, Kurashima S, Iwamatsu K, Kimura A, Taguchi M, Fujimoto Y, Asai K (2015) Linear energy transfer effects on time profiles of scintillation of Ce-doped LiCaAlF6 crystals. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 365:529–532. doi: 10.1016/j.nimb.2015.07.065
• Iwamatsu K, Taguchi M, Sugo Y, Kurashima S, Katsumura Y (2011) Concentration and Incident Energy Dependences of Transient Species in Water by H+ Ion Irradiation. Transactions of the Materials Research Society of Japan 36:329–332. doi: 10.14723/tmrsj.36.329
• Kobayashi S, Hasebe N, Hosojima T, Ishizaki T, Iwamatsu K, Mimura M, Miyachi T, Miyajima M, Pushkin K, Tezuka C, Doke T, Kobayashi M, Shibamura E, Ishizuka A (2006) Ratio of Transverse Diffusion Coefficient to Mobility of Electrons in High-Pressure Xenon and Xenon Doped with Hydrogen. Japanese Journal of Applied Physics 45:7894–7900. doi: 10.1143/jjap.45.7894