1. Department
of Energy and Materials Engineering, Dongguk University, 26 Pil-dong,
3-Ga, Jung-gu, Seoul 100-715, Republic of Korea
2. Nano
Carbon Materials Research Group, Korea Electrotechnology Research Institute (KERI), 12 Bulmosan-ro 10 Beon-gil, Seongsan-gu, Changwon, Gyeongsangnam-do 642-120, Republic of Korea
3. Nuclear
Fuel Cycle Development Group, Korea Atomic Energy Research Institute, 1035 Daedok-daero, Yuseong-gu, Daejeon 305-353, Republic of Korea