p-Type ZnO on sapphire by using O2-N2 co-activating and fabrication of ZnO LED - ZHANG, Z. Z; WEI, Z. P; LU, Y. M; SHEN, D. Z; YAO, B; LI, B. H; ZHAO, D. X; ZHANG, J. Y; FAN, X. W; TANG, Z. K (14th International Conference on Molecular Beam Epitaxy (MBE-XIV), 3-8 September 2006, Tokyo, Japan, 2007)
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