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.
SEM illustration of goethite particle lift-out and cross-sectional APT tip preparation. (A) Goethite “embedded” within a chromium matrix. (B) Lift-out showing the embedded goethite particle in cross-section. (C) APT tip where a small section of the goethite cross-section is placed at the tip apex.
