1. Department of Electrical
Engineering, The University of Texas at Dallas, 800 West Campbell Rd., Richardson, Texas 75080,
United States
2. Department of Materials Science and Engineering, The University of Texas at Dallas, 800 West Campbell
Rd., Richardson, Texas 75080, United States
3. Department of Mechanical Engineering, The University of Texas at Dallas, 800
West Campbell Rd., Richardson, Texas 75080, United States
4. School of Mechanical
Systems Engineering, Chonnam National University, 77 Yongbong-ro, Buk-Gu, Gwangju, 550-757, South Korea