1. National Key Laboratory of Science and Technology on Advanced Composites in Special Environments Harbin Institute of Technology Harbin 150080 P. R. China
2. School of Information and Engineering Handan University Handan 056005 P. R. China
3. Center of Analysis Measurement Harbin Institute of Technology Harbin 150001 P. R. China
4. Microwave and Vacuum Technology Laboratory Jihua Laboratory Foshan 528251 P. R. China
5. Department of Materials Science and Engineering National University of Singapore Singapore 117576 Singapore
6. Key Laboratory of Micro-systems and Micro-structures Manufacturing Ministry of Education Harbin 150080 P. R. China