1. Functional Ceramics Group, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea
2. Bio-inspired Materials and Devices Laboratory (BMDL), Center for Energy Harvesting Materials and Systems (CEHMS), Virginia Tech, Blacksburg, Virginia 24061, United States
3. Department of Materials Science and Engineering, Michigan Technological University, Houghton, Michigan 49931, United States
4. Center for Electronic Materials, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
5. CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi 110012, India
6. Department of Materials Modeling and Characterization, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea
7. Department of Physics, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Korea
8. Department of Chemical Engineering, Dong-A University, Busan 49315, Korea
9. School of Materials Science and Engineering, Yeungnam University, Gyeongsan 38541, Korea