1. Composites Research Division, Korea Institute of Materials Science, Changwon, Republic of Korea
2. Department of Physics, Pusan National University, Busan, Republic of Korea
3. School of Mechanical Engineering, Gyeongsang National University, Jinju, Republic of Korea
4. Department of Polymer Science and Engineering, Pusan National University, Busan, Republic of Korea
5. Department of Polymer Engineering, Pukyong National University, Busan, Republic of Korea