An official website of the United States government
Here’s how you know
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.
NIST X-ray Photoelectron Spectroscopy Database (SRD 20), Version 5.0
Reliable (reported energy within 300 eV of a reference energy)
Comment:
6 ML Ge/n-type Si(111)-(7x7). The thickness was determined by quartz-crystal thickness monitor. Branching ratio of the bulk and surface comp. are 0.509 and 0.529, respectively. Surface core-level shift derived from analysis of spectra for photon energies of 108 eV and 130 eV.