XPS spectra of some transition metal and alkaline earth monochalcogenides |
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Authors: | Hugo F Franzen Mirtha X Umaña JR McCreary RJ Thorn |
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Institution: | Ames Laboratory-ERDA and Department of Chemistry, Iowa State University, Ames, Iowa 50011 USA;Argonne National Laboratory, Argonne, Illinois 60439 USA |
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Abstract: | The first-row transition-metal monosulfides and alkaline-earth chalcogenides were studied by means of X-ray photoelectron spectroscopy. It is shown that the bonding in the alkaline earth compounds is relatively ionic with XPS evidence for significant charge separation. On the other hand, transition metal sulfides, with the exception of MnS, appear to be principally metallic with little or no charge separation. Values for the inner orbital binding energy shifts are reported for a large number of monochalcogenides. |
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