1. Department of Materials Science and Engineering, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas 75080, United States
2. Department of Electrical Engineering, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas 75080, United States
3. Microelectronics Research Center, The University of Texas at Austin, 10100 Burnet Rd, Bldg 160, Austin, Texas 78758, United States
4. Department of Electrical and Computer Engineering, The Ohio State University, Columbus, Ohio 43210, United States
5. School of Advanced Materials Engineering, Kookmin University, 77, Jeongneungro, Seongbuk-gu, Seoul 136-702, Korea
6. Materials Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955, Saudi Arabia