Takeru Kumabe

Ohmic contact on low-doping-density p-type GaN with nitrogen-annealed Mg

Shun Lu, Manato Deki, Jia Wang et al. · Applied Physics Letters · 2021 · 28 citations

Materials Science, Wide-bandgap Semiconductor, Electrical Engineering +8

Ohmic Contact to <i>p</i>-Type GaN Enabled by Post-Growth Diffusion of Magnesium

Jia Wang, Shun Lu, Wentao Cai et al. · IEEE Electron Device Letters · 2021 · 25 citations · Full text

Materials Science, Wide-bandgap Semiconductor, Engineering +12

Demonstration of AlGaN-on-AlN p-n Diodes With Dopant-Free Distributed Polarization Doping

Takeru Kumabe, Akira Yoshikawa, Seiya Kawasaki et al. · IEEE Transactions on Electron Devices · 2024 · 23 citations · Full text

Aluminium Nitride, Electrical Engineering, Aluminum Nitride +7

Junction Diameter Dependence of Oscillation Frequency of GaN IMPATT Diode Up to 21 GHz

Seiya Kawasaki, Takeru Kumabe, Yuto Ando et al. · IEEE Electron Device Letters · 2023 · 22 citations

Wide-bandgap Semiconductor, Electrical Engineering, Engineering +12

Etching-induced damage in heavily Mg-doped p-type GaN and its suppression by low-bias-power inductively coupled plasma-reactive ion etching

Takeru Kumabe, Yuto Ando, Hirotaka Watanabe et al. · Japanese Journal of Applied Physics · 2020 · 21 citations

Wide-bandgap Semiconductor, Electrical Engineering, Chemical Engineering +15