Affiliation: | a Department of Chemical Engineering, Inha University, 253 Yonghyun-Dong, Nam-Gu, Incheon 402-751, Republic of Korea b Semiconductor Device and Material lab, Samsung Advanced Institute of Technology, Mt. 14-1, Nongseo-dong, Giheung-gu, Yongin, Gyeonggi-do 446-712, Republic of Korea |