1. School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
2. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA
3. Lawrence Livermore National Laboratory, Livermore, CA, USA
4. SixPoint Materials, Buellton, CA, USA
5. School of Electrical and Computer Engineering, School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA