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.
(a) Raman spectra of (red curve) Si substrate and (black curve) SLG transferred on Si. (b) Raman spectra of (green curve) SLG on Cu, and (blue curve) after normalized, point-to-point subtraction of the Si substrate spectrum (shown in (a), red curve) from the spectrum of SLG transferred on Si (shown in (a), black curve).
