Figure 3.
Scanning electron microscope (SEM) images of TiO2-x/TiO2 (400 °C)-based hetero-structure at different magnification: (A)—at ×25000; (B)—at ×50000.
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.