Yutaka Mikawa

High-quality, 2-inch-diameter m-plane GaN substrates grown by hydride vapor phase epitaxy on acidic ammonothermal seeds

Yusuke Tsukada, Yuuki Enatsu, Shuichi Kubo et al. · Japanese Journal of Applied Physics · 2016 · 39 citations

Engineering, Materials Engineering, Materials Science +17

Ammonothermal growth of polar and non-polar bulk GaN crystal

Yutaka Mikawa, Takayuki Ishinabe, Shinichiro Kawabata et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 2015 · 38 citations

Natural Sciences, Materials Engineering, Materials Science +13

Vacancies and electron trapping centers in acidic ammonothermal GaN probed by a monoenergetic positron beam

Akira Uedono, Yusuke Tsukada, Yutaka Mikawa et al. · Journal of Crystal Growth · 2016 · 28 citations

Natural Sciences, Materials Science, Physics +7

Recent progress of large size and low dislocation bulk GaN growth

Yutaka Mikawa, Takayuki Ishinabe, Yuji Kagamitani et al. · 2020 · 27 citations

Natural Sciences, Materials Engineering, Materials Science +17

Low-resistivity<i>m</i>-plane freestanding GaN substrate with very low point-defect concentrations grown by hydride vapor phase epitaxy on a GaN seed crystal synthesized by the ammonothermal method

Kazunobu Kojima, Yusuke Tsukada, Erika Furukawa et al. · Applied Physics Express · 2015 · 26 citations

Engineering, Materials Engineering, Materials Science +17