Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices, Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices, Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices, University of Science and Technology Beijing - School of Materials Science and Engineering, University of Science and Technology Beijing - School of Materials Science and Engineering, Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices, Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices, Xidian University - School of Advanced Materials and Nanotechnology, Xidian University - School of Advanced Materials and Nanotechnology, Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices and Xiangtan University - Hunan Provincial Key Laboratory of Thin Film Materials and Devices