1. School of Engineering Technology Purdue University West Lafayette IN 47907 USA
2. School of Electronic and Electrical Engineering Kyungpook National University Daegu 41566 Republic of Korea
3. Analysis Technical Center Korea Institute of Ceramic Engineering and Technology Jinju Gyeongsangnam-do 52851 Republic of Korea
4. College of Science, Health, Engineering and Education Murdoch University Murdoch WA 6150 Australia
5. Department of Materials Science and Engineering KAIST Daejeon 34141 Republic of Korea
6. Center for Mass and Related Quantities Korea Research Institute of Standard and Science Daejeon 34113 Republic of Korea