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.
Schematic diagram (a) explaining the proposed stress transfer mechanism (Li is the length of the i-crystallite and Lc the critical transfer length) and showing (b) the strips in the graphene islands and (c) the corresponding elementary units.
