Author Affiliations

Chih-Feng Wang,^1,2,* Terefe G. Habteyes,² Ting Shan Luk,^3,4 John F. Klem,⁴ Igal Brener,^3,4 Hou-Tong Chen,¹ and Oleg Mitrofanov^3,5,**

¹Center for Integrated Nanotechnologies, Los Alamos National Laboratory, Los Alamos, NM 87545, USA

²Center for High Technology Materials, University of New Mexico, Albuquerque, NM 87106, USA

³Center for Integrated Nanotechnologies, Sandia National Laboratories, Albuquerque, NM 87123

⁴Sandia National Laboratories, Albuquerque, NM 87185, USA

⁵Electronic and Electrical Engineering, University College London, London, WC1E 7JE UK

^*Present address: Physical Sciences Division, Pacific Northwest National Laboratory, Richland, WA 99354

^** o.mitrofanov@ucl.ac.uk