Masatomo Sumiya

Repeated temperature modulation epitaxy for p-type doping and light-emitting diode based on ZnO

Atsushi Tsukazaki, Akira Ohtomo, Takeyoshi Onuma et al. · Nature Materials · 2004 · 2.1K citations

P-type Doping, Electrical Engineering, Engineering +8

Selective etching of GaN polar surface in potassium hydroxide solution studied by x-ray photoelectron spectroscopy

Dongsheng Li, Masatomo Sumiya, Shunro Fuke et al. · Journal of Applied Physics · 2001 · 346 citations

Materials Science, Semiconductors, Selective Etching +14

Dependence of impurity incorporation on the polar direction of GaN film growth

Masatomo Sumiya, K. Yoshimura, Kohji Ohtsuka et al. · Applied Physics Letters · 2000 · 173 citations

Materials Science, Wide-bandgap Semiconductor, Electrical Engineering +14

Growth mode and surface morphology of a GaN film deposited along the N-face polar direction on <i>c</i>-plane sapphire substrate

Masatomo Sumiya, K. Yoshimura, Takahiro Ito et al. · Journal of Applied Physics · 2000 · 135 citations

Materials Science, Wide-bandgap Semiconductor, Engineering +10

Review of polarity determination and control of GaN

Masatomo Sumiya, Shunro Fuke · MRS Internet Journal of Nitride Semiconductor Research · 2004 · 130 citations · Full text