Author Affiliations

Sheng Wang,^1,2,* Sihan Zhao,¹ Fanqi Wu,³ Chongwu Zhou,^3,4 and Feng Wang^1,2

¹Department of Physics, University of California at Berkeley, Berkeley, California 94720, USA.

²Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.

³Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California 90089, USA

⁴Department of Electrical Engineering, University of Southern California, Los Angeles, California 90089, USA

^*Corresponding author: shengwang16@berkeley.edu