Kazuhiro Iwamatsu

Brookhaven National Laboratory

Chemistry Division
Bldg. 555A
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, 2015
• M.S., Engineering (Radiation Chemistry), The University of Tokyo, Japan, 2011
• B.S., Applied physics (Radiation Detection), Waseda University, Japan 2005

Professional Appointments

• Research Associates, Brookhaven National Laboratory, 2019-Present
• Postdoctoral Research Associates, University of Notre Dame, 2015-2019
• Fellow of Advanced Science, Japan Atomic Energy Agency, 2010-2015
• Research Associate of GCOE Project, 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