Affiliation: | Se-Hun KWON1,Young-Keun JEONG1,Soongeun KWON2,Myung-Chang KANG1,Hyung-Woo LEE1 1. National Core Research Center for Hybrid Materials Solution,Pusan National University,Busan 609-735,Korea,2. Department of Mechanical Engineering,Korea Advanced Institute of Science and Technology (KAIST),Daejeon 305-701 |