1. The
State Key Laboratory of Mechanics and Control of Mechanical Structures,
Key Laboratory for Intelligent Nano Materials and Devices of Ministry
of Education, College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2. School
of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
3. College of Physics & Electronic Engineering, Taizhou University, Taizhou 318000, China