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Sohei Okada

Observed names: Okada, Sohei, S Okada, S. Okada, Sohei OKADA
OpenAlex ID: A5110100097
Reflection High Energy Positron Diffraction from a Si(111) Surface
1998 · A. Kawasuso, S. Okada · Physical Review Letters · 91
Annealing processes of vacancy-type defects in electron-irradiated and as-grown 6H-SiC studied by positron lifetime spectroscopy
1996 · Atsuo Kawasuso, Hisayoshi Itoh, et al. · Journal of Applied Physics · 79
Si(111)−(7×7) surface probed by reflection high-energy positron diffraction
2003 · A. Kawasuso, Y. Fukaya, et al. · Physical review. B, Condensed matter · 29
Positron annihilation and ESR study of irradiation-induced defects in silica glass
1996 · M. Hasegawa, M. Tabata, et al. · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · 28
Vacancy production by 3 MeV electron irradiation in 6H-SiC studied by positron lifetime spectroscopy
1997 · Atsuo Kawasuso, Hisayoshi Itoh, et al. · Journal of Applied Physics · 24
Effects of radiation types and dose rates on selected cable-insulating materials
1987 · F. Hanisch, P. Maier, et al. · International Journal of Radiation Applications and Instrumentation Part C Radiation Physics and Chemistry · 21
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Production of an intense slow positron beam by using an electron LINAC and its applications
1995 · I. Kanazawa, Y. Ito, et al. · Applied Surface Science · 19
Rocking curves of reflection high-energy positron diffraction from hydrogen-terminated Si(111) surfaces
2000 · A. Kawasuso, M. Yoshikawa, et al. · Physical review. B, Condensed matter · 18
Brightness enhanced intense slow positron beam produced using an electron linac
1991 · Yasuo Ito, Masafumi Hirose, et al. · Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment · 18
Development and application of reflection high-energy positron diffraction
2000 · A Kawasuso, S Okada, et al. · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · 14
The deterioration of mechanical properties of chloroprene rubber in various conditions
1981 · Masayuki Ito, Sohei Okada, et al. · Journal of Materials Science · 13
Preparation and characterization of SiO2/6H–SiC metal–insulator–semiconductor structure using TEOS as source material
2001 · K. Kamimura, D. Kobayashi, et al. · Applied Surface Science · 12
Effect of Mg ion implantation on electrical properties of CuInSe2 thin films
2000 · Tooru Tanaka, Akihiro Wakahara, et al. · Journal of Applied Physics · 12
Design of an intense slow positron beam production system using a 100 kW electron linac for the Positron Factory
1991 · S. Okada, H. Sunaga · Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms · 12
Positron annihilation and ESR studies of electron- or neutron-irradiated silica glass
1996 · M. Tabata, M. Hasegawa, et al. · Journal of Nuclear Materials · 11
Development of a new Monte Carlo simulation system on positron behavior in matter
1995 · Sohei Okada, Hirohisa Kaneko · Applied Surface Science · 11
Introduction; Success of the Technique
1994 · L.D. Hulett, B.L. Brown, et al. · Advanced materials research · 11
Chemical stress relaxation of ethylene-propylene copolymer rubber by heat and radiation
1980 · Masayuki Ito, Sohei Okada, et al. · Radiation Physics and Chemistry (1977) · 10
Studies of single-event transient current induced in GaAs and Si diodes by energetic heavy ions
2001 · Toshio Hirao, Hisayoshi Itoh, et al. · Radiation Physics and Chemistry · 7
Crystal Growth of 15R-SiC Boules by Sublimation Method
2000 · Taro Nishiguchi, Sohei Okada, et al. · Materials science forum · 7
Reflection high-energy positron diffraction at solid surfaces by improved electrostatic positron beam
2002 · A Kawasuso, T Ishimoto, et al. · Applied Surface Science · 6
Investigation of radiation degradation of Si and GaAlAs optical devices due to gamma-ray and electron irradiation
2001 · Shinobu Onoda, Hidenobu Mori, et al. · Radiation Physics and Chemistry · 6
Changes in dielectric properties of elastomer by irradiation
1992 · Masayuki Ito, Sohei Okada · Journal of Applied Polymer Science · 6
The irradiation facilities for the radiation tolerance testing of semiconductor devices for space use in Japan
2003 · M. Saidoh, M. Fukuda, et al. · IEEE Radiation Effects Data Workshop (REDW) · 5
Defects in 30 keV Er+-implanted SiO2/Si studied by positron annihilation and cathodoluminescence
2001 · K. Hirata, H. Arai, et al. · Journal of Applied Physics · 5
Works count: 63
Citation count: 531
H-index: 12
I10-index: 18
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