1. Department of Materials Science and Engineering, Northwestern University , Evanston, IL , USA
2. Superconducting Quantum Materials and Systems Center (SQMS), Fermi National Accelerator Laboratory , Batavia, Illinois , United States
3. Northwestern University Atomic and Nanoscale Characterization Experimental (NUANCE) Center, Northwestern University , Evanston, IL , USA
4. Department of Chemistry, Northwestern University , Evanston, Illinois , United States
5. Department of Electrical and Computer Engineering, Northwestern University , Evanston, Illinois , United States