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.
(Color online). The Raman spectrum from non-oxidized area of a clean etched and annealed surface of Cu substrate before (bottom, black curve) and after (top, red curve) 8 days of treatment in the mixture of TMST with CsF. No new lines or extra features in Raman spectra after the treatment. Excitation wavelength λexc=532 nm.
