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Conferences > CLEOPR > 2009 > WG3 > WG3_3
  • Conference on Lasers and Electro-Optics/Pacific Rim 2009
  • (Optica Publishing Group, 2009),
  • paper WG3_3

Study on GaN micro-rod growth by nature patterned sapphire substrate

S. C. Hsu, P. M. Tu, I. R. Chen, and Y. J. Cheng

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Abstract

In this study, we investigated the kinetics and etched morphology on sapphire substrate by mixing acid solutions. We developed different etching conditions to produce various etching morphology patterns on sapphire surface. Then, GaN micro-rod embedded with quantum wells (QWs) were grown on the patterned sapphire surface. The cathode luminescence (CL) images of these QW embedded micro-rods have shown great crystal quality.

© 2009 IEEE

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