1. School of Architectural, Civil, Environmental, and Energy Engineering; Kyungpook National University; Daegu 41566 Korea
2. Advanced Functional Thin Films Department; Korea Institute of Material Science (KIMS); Changwon 51508 Korea
3. Department of Visual Optics; Seoul National University of Science & Technology; Seoul 01811 Korea
4. Department of Materials Science and Engineering; Kumoh National Institute of Technology; Gumi 39177 Korea