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.
XPS high-resolution spectra for (a) Ga 3d, (b) As 3d, and (b) S 2p: (1) cleaned GaAs, (2) GaAs functionalized with ODT, (3) GaAs functionalized with the TAT peptide, and (4) GaAs functionalized with the mixed adlayer of ODT and TAT peptide.
