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.
Variation of the intensities of Raman band at 1076 cm−1 as a function of the Rayleigh band at 84 cm−1 before and after adding 4-MBA. Each IRayleigh or IRaman value is the average of three Raman maps; Each Raman map contains 400 single spectra.
