1. Center
for Composite Materials and Structures, Harbin Institute of Technology, Harbin, Heilongjiang 150001, People’s Republic of China
2. Department
of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
3. Materials
and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
4. Department
of Physics, North Carolina State University, Raleigh, North Carolina 27695, United States