Kinetics of thermal desorption using Auger electron spectroscopy application to cesium covered (110) gallium arsenide

Abstract

We propose a new method for monitoring surface reactions kinetics using Auger Spectroscopy. It allows continuous observations of adsorption and desorption kinetics of an element A on the surface of a substrate B. The apparatus designed for this purpose transforms a standard Auger electron spectrometer into a detector measuring the rate of these surface reactions. We have used this technique to study the thermal desorption of cesium from (110) gallium arsenide. Several binding states are found