Time-resolved detection of structural change in polyethylene films using mid-infrared laser pulses
E. Ageev, K. Mizobata, T. Nakajima, H. Zen, T. Kii and H. Ohgaki, Applied Physics Letters, Volume 107, 041904 (2015).

Emission properties and back-bombardment for CeB6 compared to LaB6
M. Bakr, M. Kawai, T. Kii, H. Zen, K. Masuda, H. Ohgaki, Journal of Applied Physics, Volume 117, 064503 (2015).

Scintillation of Lead Tungstate Crystal Studied With Single-Electron Beam from KUFEL
M. Rizwan, Y. Uozumi, K. Matsuo, H. Ohgaki, T. Kii, H. Zen, Z. Tsamalaidze, P. Evtoukhovitch, S.Valentin, AIP Conference Proceedings 1659, 040003 (2015); doi: 10.1063/1.4916863