1. Institute for Rare Metals and Division of Advanced Materials Engineering Kongju National University Cheonan Republic of Korea
2. Optical Lens Material Research Center Korea Photonics Technology Institute (KOPTI) Gwangju Republic of Korea
3. Department of Materials Science and Engineering and Division of Advanced Nuclear Engineering Pohang University of Science and Technology (POSTECH Pohang Republic of Korea
4. Division of Materials Science and Engineering Hanyang University Seoul Republic of Korea