Figure A1.
(a,b) High-resolution STM images from Process Ⅰ indicating disordered surface structures at this stage. Here, the scanning bias voltage and current are equal to 1 V and 0.1 nm, respectively.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.