Interfacing of a Research Machines Ltd. 380Z microcomputer to an AEI/Kratos ES200 electron spectrometer and Inotech multichannel analyser (MCA) is described. Comprehensive data acquisition and processing facilities are thereby provided. The microcomputer controls the MCA, the ES200 sweep ramp and the ES200 analyser kinetic energy (KE) above which the sweep is applied. The operating and processing program has been developed predominantly in BASIC, permitting the retention of more flexibility than is usual with ‘packaged’ computer systems. Facilities are provided for rapid quantitative elemental analysis by XPS following the automatic execution of repetitive sweeps over a sequence of up to 10 KE regions. Peak maximum KEs and widths are also computed, and X‐ray satellite contributions can be subtracted from the spectra. In addition, integral spectra, 5–25 point smoothed spectra and their first and second derivatives can be generated.
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Evans et al. (1982) studied this question.
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