Takumi Ohtsuka

High-output-power 255/280/310 nm deep ultraviolet light-emitting diodes and their lifetime characteristics

Akira Fujioka, Katsuhiko Asada, Hirohito Yamada et al. · Semiconductor Science and Technology · 2014 · 102 citations

White Oled, Photonics, Electrical Engineering +14

Complete Decomposition of Benzene, Toluene, and Particulate Matter Contained in the Exhaust of Diesel Engines by Means of Thermally Excited Holes in Titanium Dioxide at High Temperatures

Takashi Makino, K. Matsumoto, Toru Ebara et al. · Japanese Journal of Applied Physics · 2007 · 39 citations · Full text

Complete Decomposition, Chemical Engineering, Decomposition System +13

AlN/AlGaN short-period superlattice sacrificial layers in laser lift-off for vertical-type AlGaN-based deep ultraviolet light emitting diodes

Misaichi Takeuchi, Tomohiro Maegawa, Hiroshi Shimizu et al. · Applied Physics Letters · 2009 · 28 citations

Materials Science, Wide-bandgap Semiconductor, Electrical Engineering +12

Improvement of Al-Polar AlN Layer Quality by Three-Stage Flow-Modulation Metalorganic Chemical Vapor Deposition

Misaichi Takeuchi, Shin Ooishi, Takumi Ohtsuka et al. · Applied Physics Express · 2008 · 27 citations

Materials Engineering, Materials Science, Chemical Engineering +10