Figure 7. Raman spectra of the Na4Mn9O18 nanowires with increasing laser power.
The inset shows an image of the analyzed area.
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.