Journal
SURFACE AND INTERFACE ANALYSIS
Volume 49, Issue 2, Pages 122-126Publisher
WILEY
DOI: 10.1002/sia.6069
Keywords
XPS; spin-orbit splitting; binding energy; rare earth chromites; core-shell structure
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Funding
- Brock University
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Ministry of Research and Innovation (Ontario)
- Canada Foundation for Innovation, Canada
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To reveal the surface elemental composition and chemical states of the Ce1-xEuxCrO3 nano-powders (x = 0.0, 0.3, 0.5, 0.7, 0.8, 1.0), X-ray photoelectron spectroscopy was carried out in two conditions of before and after surface cleaning. This surface characterization described the core level binding energies of cerium, europium and chromium with different oxidation states. These results verified the morphology of the particles' surface which can be a confirmation of the spin disorder in these core-shell structures. The effect of surface Ar sputtering on the oxidation states were studied. Copyright (C) 2016 John Wiley & Sons, Ltd.
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