期刊
SUPERLATTICES AND MICROSTRUCTURES
卷 42, 期 1-6, 页码 197-200出版社
ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2007.04.029
关键词
cadmium oxide; XPS; electronic structure; surface preparation
资金
- Engineering and Physical Sciences Research Council [EP/E010210/1] Funding Source: researchfish
- EPSRC [EP/E010210/1] Funding Source: UKRI
The electronic structure of single-crystalline CdO is investigated using X-ray photoemission spectroscopy. The surface is prepared by in situ Ar+ ion bombardment and annealing (IBA). The core level spectra before and after the IBA are presented, and reveal a dramatic reduction in the surface contamination. The semi-core Cd 4d level and valence band region following the IBA are also shown. The surface Fermi level is pinned 1.3 +/- 0.10 eV above the valence band maximum. (c) 2007 Elsevier Ltd. All rights reserved.
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