[1] KAERI (Korea Atomic Energy Research Institute), 111, Daedeok-daero 989 beon-gil, Yuseong-gu, Daejeon 305-353, Korea, Republic of
[2] Department of Mechanical Engineering, University of Nevada, Reno, NV 89557, United States
[3] NBD Nanotechnologies, 8 St. Mary's Street, Boston, MA 02215, United States
[4] Department of Mechanical Engineering, University of Nevada, Las Vegas, NV 89154, United States