1. School of Materials Science and Engineering & Guangxi Key Laboratory of Information Materials
2. Guilin University of Electronic Technology
3. Guilin 541004
4. P. R. China
5. Guilin Key Laboratory of Microelectronic Electrode Materials and Biological Nanomaterials & National Special Mineral Materials Engineering Technology Research Center & Guangxi Key Laboratory of Superhard Materials
6. China Monferrous Metal (Guilin) Geology and Mining Co., Ltd
7. Zhongshan Branch of State Key Laboratory of Electronic Thin Films and Integrated Devices
8. University of Electronic Science and Technology of China
9. Zhongshan Institute
10. Zhongshan 528402