Key Laboratory of Material Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei,30031, China;
Key Laboratory of Material Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei,30031, China;
Key Laboratory of Material Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei,30031, China;
Key Laboratory of Material Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei,30031, China;
Key Laboratory of Material Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei,30031, China;
Gallium Nitride, buffer layer, carrier mobility, polarity;