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Effects of Lens Shape on GaN Grown on Microlens Patterned Sapphire Substrates by Metallorganic Chemical Vapor Deposition, Lin, Hung-Cheng, Liu, Hsueh-Hsing, Lee, Geng-Yen, Chyi, Jen-Inn, Lu, Chang-Ming, Chao, Chih-Wei, Wang, Te-Chung, Chang, Chun-Jong, Chi, Solomon W. S.
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Lin et al. (2010) studied this question.
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