Figure 3.
SEM images. (a) As-grown ZnO and (b) 3 at.% Al-doped ZnO films. High resolution images are also inserted; (c) undoped and (d) 3 at.% Al-doped films annealed in air; (e) undoped and (f) 3 at.% Al-doped ZnO film annealed in Ar.
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.