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

Engineering, Electrical Engineering, Materials Science +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

Engineering, Chemical Engineering, Chemistry +17

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

Engineering, Materials Engineering, Materials Science +14

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

Natural Sciences, Materials Engineering, Materials Science +17