1. School of Materials Science and Engineering
2. Yeungnam University
3. Gyeongsan 712 749
4. Republic of Korea
5. Institute of Physics
6. Academia Sinica
7. Taipei 10617
8. Taiwan
9. Centre for Condensed Matter Sciences
10. Department of Chemical Engineering and Biotechnology
11. National Taipei University of Technology
12. Taipei 10608
13. Center for High Pressure Research
14. Bharathidasan University
15. Tiruchirappalli-620 024
16. India