Affiliation: | (1) Korea Research Institute of Standards and Science, P.O. Box 102, Yusong, Taejon, 305-600, Korea;(2) Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373–1 Kusung-dong, Yusung-gu, Taejon, 305-701, Korea;(3) Department of Chemical Engineering, Sangju National University, Sangju, 742-711, Korea;(4) Department of Inorganic Materials Engineering, Pusan National University, Pusan, 609-35, Korea |