Kazunobu Kojima

The origins and properties of intrinsic nonradiative recombination centers in wide bandgap GaN and AlGaN

Shigefusa F. Chichibu, Akira Uedono, Kazunobu Kojima et al. · Journal of Applied Physics · 2018 · 143 citations · Full text

Wide-bandgap Semiconductor, Semiconductor Technology, Electrical Engineering +12

Electrical resistivity and magnetoresistance of CeB6

Akio Takase, Kazunobu Kojima, T. Komatsubara et al. · Solid State Communications · 1980 · 137 citations

Magnetism, Electrical Engineering, Engineering +6

Epitaxial growth and optical properties of semipolar (112¯2) GaN and InGaN∕GaN quantum wells on GaN bulk substrates

Motoki Ueda, Kazunobu Kojima, Mitsuru Funato et al. · Applied Physics Letters · 2006 · 117 citations · Full text

Wide-bandgap Semiconductor, Engineering, Optoelectronic Devices +17

Nitrogen vacancies as a common element of the green luminescence and nonradiative recombination centers in Mg-implanted GaN layers formed on a GaN substrate

Kazunobu Kojima, Shinya Takashima, Masaharu Edo et al. · Applied Physics Express · 2017 · 87 citations

Materials Engineering, Materials Science, Electrical Engineering +15

Optical gain spectra for near UV to aquamarine (Al,In)GaN laser diodes

Kazunobu Kojima, Ulrich T. Schwarz, Mitsuru Funato et al. · Optics Express · 2007 · 79 citations · Full text

Constant Quasi-fermi Levels, Wide-bandgap Semiconductor, Aluminium Nitride +16