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Depth-dependent optical properties of a HVPE-grown freestanding Si-doped GaN single crystal
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Journal of Crystal Growth Vol.276, pp37-42 (2005.03)
Euikwan Koh, H. Choi, M. Yoon, Sungho Choh, Hangsung Kim, Yongmin Cho, Sangsig Kim, Sung soo Park, Ilwoo Park