Figure 4.
Normalized intensity of the XPS narrow scan spectra of (a) K 2p, (b) Ti 2p, and (c) O 1s levels. The dotted lines below the XPS spectra represent the Lorentzian-fitted curves.
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.