Search Results - "Mikawa, Yutaka"

High-quality, 2-inch-diameter m-plane GaN substrates grown by hydride vapor phase epitaxy on acidic ammonothermal seeds by Tsukada, Yusuke, Enatsu, Yuuki, Kubo, Shuichi, Ikeda, Hirotaka, Kurihara, Kaori, Matsumoto, Hajime, Nagao, Satoru, Mikawa, Yutaka, Fujito, Kenji

“…In this paper, we discusse the origin of basal-plane stacking faults (BSFs) generated in the homoepitaxial hydride vapor phase epitaxy (HVPE) growth of m-plane…”
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Vacancies and electron trapping centers in acidic ammonothermal GaN probed by a monoenergetic positron beam by Uedono, Akira, Tsukada, Yusuke, Mikawa, Yutaka, Mochizuki, Tae, Fujisawa, Hideo, Ikeda, Hirotaka, Kurihara, Kaori, Fujito, Kenji, Terada, Shigeru, Ishibashi, Shoji, Chichibu, Shigefusa F.

“…Defects in ammonothermal GaN have been studied using a monoenergetic positron beam. Through measurements of Doppler broadening spectra of the annihilation…”
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Electronic and optical characteristics of an m-plane GaN single crystal grown by hydride vapor phase epitaxy on a GaN seed synthesized by the ammonothermal method using an acidic mineralizer by Kojima, Kazunobu, Tsukada, Yusuke, Furukawa, Erika, Saito, Makoto, Mikawa, Yutaka, Kubo, Shuichi, Ikeda, Hirotaka, Fujito, Kenji, Uedono, Akira, Chichibu, Shigefusa F.

“…Fundamental electronic and optical properties of a low-resistivity m-plane GaN single crystal, which was grown by hydride vapor phase epitaxy on a bulk GaN…”
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Numerical simulation of natural convection heat transfer in a ZnO single-crystal growth hydrothermal autoclave—Effects of fluid properties by Masuda, Yoshio, Suzuki, Akira, Mikawa, Yutaka, Yokoyama, Chiaki, Tsukada, Takao

“…We have carried out a numerical simulation of the hydrothermal process for growing bulk single crystals of ZnO using SC/Tetra as the computational fluid…”
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Numerical Simulation of Hydrothermal Autoclave for Single-Crystal Growth Process by Yoshio MASUDA, Akira SUZUKI, Yutaka MIKAWA, Valery CHANI, Chiaki YOKOYAMA, Takao TSUKADA

“…Numerical simulation of the hydrothermal process for growing two-inch bulk single crystals of ZnO has been done. The autoclave is assumed to be axisymmetric…”
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