Abstract

The Auger electron spectra for amorphous boron carbide (B4C) are presented. The first derivative C KLL Auger electron spectrum of a crystalline carbide exhibits a peak shape different from that of adventitious hydrocarbon. The peak shape of the C KLL spectrum for a carbide such as TaC contains three components present at the approximate kinetic energies of 250, 260, and 270 eV, with the peak at 270 eV having a greater intensity in the positive direction than the C KLL spectrum for adventitious hydrocarbon. The features exhibited in the differentiated C KLL Auger spectrum for amorphous B4C are similar, but not identical to other metal carbides and are characteristically different from adventitious hydrocarbon, graphite, SiC, and other metal carbides.

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