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Works (4)

Analysis of inversion-domain boundaries in four-layer polarity-inverted AlN structure

Applied Physics Letters
2025-01-20 | Journal article
DOI: 10.1063/5.0249911
Contributors: Tomohiro Tamano; Kanako Shojiki; Toru Akiyama; Ryota Akaike; Takao Nakamura; Hiroto Honda; Eiki Sato; Masahiro Uemukai; Tomoyuki Tanikawa; Ryuji Katayama et al.
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Crystal orientation control of a-plane AlN films on r-plane sapphire fabricated by sputtering and high-temperature annealing

Journal of Applied Physics
2024-05-21 | Journal article
DOI: 10.1063/5.0202824
Contributors: Yuki Ogawa; Ryota Akaike; Jiei Hayama; Kenjiro Uesugi; Kanako Shojiki; Toru Akiyama; Takao Nakamura; Hideto Miyake
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230 nm wavelength range far-UVC LED with low Al-composition differentiation between well and barrier layers of MQWs

Applied Physics Express
2024-04-01 | Journal article
DOI: 10.35848/1882-0786/ad3e48
Contributors: Kenjiro Uesugi; Ryota Akaike; Shuhei Ichikawa; Takao Nakamura; Kazunobu Kojima; Masahiko Tsuchiya; Hideto Miyake
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Improved internal quantum efficiencies of far-UVC AlGaN/AlN quantum wells by the use of semipolar r-planes

Applied Physics Letters
2023-03-27 | Journal article
DOI: 10.1063/5.0142138
Contributors: R. Akaike; M. Funato; Y. Kawakami
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