Auger Electron Spectroscopy Reference Manual: A Book of Standard Spectra for Identification and Interpretation of Auger Electron Spectroscopy Data

ISBN-13: 9781475717044 / Angielski / Miękka / 2013 / 135 str.

G. McGuire

Opis

Auger electron spectroscopy (AES) is based on the Auger total secondary electron energy distribution, and an ion gun to process, which involves the core-level ionization of an atom with provide depth profiling capability. subsequent deexcitation occurring by an outer-level electron de- The high surface sensitivity of Auger spectroscopy which dictates caying to fill the core hole. The excess energy is transferred to the need for an ultrahigh-vacuum system is due to the limited and causes the ejection of another electron, which is by definition mean free path of electrons in the 0-3000 e V kinetic energy an Auger electron. The Auger electron transition, denoted by range. The Auger peaks decay exponentially with overlayer cov- the electron levels involved, is independent of the excitation erage, which is consistent with an exponential dependence of source and leaves the atom with a constant kinetic energy. The escape probability on the depth of the parent atom. A compila- kinetic energy is given by the differences in binding energies for tion of data from a variety of sources has been used to generate the three levels (for example, EK-E L, - EL ) minus a correction 2 an escape depth curve which falls in the range of 5-30 A in the term for the work function and electron wave function relaxation. energy range from 0 to 3000 eV. The observed escape depth does When the Auger transition occurs within a few angstroms of the not show a strong dependence on the matrix.

Spis treści

Beryllium.- Carbon.- Nitrogen.- Oxygen.- Sodium.- Aluminum.- Silicon.- Phosphorus.- Sulfur.- Chlorine.- Argon.- Potassium.- Titanium.- Chromium.- Manganese.- Iron.- Cobalt.- Nickel.- Copper.- Zinc.- Gallium.- Germanium.- Arsenic.- Selenium.- Bromine.- Niobium.- Molybdenum.- Rhodium.- Palladium.- Silver.- Cadmium.- Indium.- Tin.- Antimony.- Tellurium.- Iodine.- Xenon.- Cesium.- Tantalum.- Rhenium.- Platinum.- Gold.- Bismuth.