中国物理快报  2005, Vol. 22 Issue (5): 1214-1217    
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Variable Energy Positron Annihilation Spectroscopy of GaN Grown on Sapphire Substrates with MOCVD
HU Yi-Fan1, C. D. Beling2, S. Fung2
1Department of Physics, Huazhong University of Science and Technology, Wuhan 430074 2Department of Physics, University of Hong Kong, Pokfulam Road, Hong Kong
Variable Energy Positron Annihilation Spectroscopy of GaN Grown on Sapphire Substrates with MOCVD
HU Yi-Fan1;C. D. Beling2;S. Fung2
1Department of Physics, Huazhong University of Science and Technology, Wuhan 430074 2Department of Physics, University of Hong Kong, Pokfulam Road, Hong Kong