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.
Contour plot of a 2-TCF for a model system that describes the evolution of a semiconductor surface under ion bombardment (Bikondoa et al., 2012 ▸). The directions of the delay time (τ) for the CCS and ACS are indicated. The colour bar scale shows the degree of correlation.
