Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices Institute of Materials Technology and Engineering Academy of Sciences 315201;
The Faculty of Information Science and Engineering University 315211;
Zhejiang Provincial Key Laboratory of Power Semiconductor Materials and Devices-Hangzhou Global Scientific and Technological Innovation Center 311200;
Yongjiang Laboratory 315201;
gallium oxide; thin film epitaxy; ORIENTATION; oxygen vacancy; electrical properties;