期刊
SURFACE SCIENCE
卷 603, 期 6, 页码 L45-L48出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susc.2009.01.036
关键词
Density functional calculations; Magnetic measurements; Chemisorption; Magnetic phenomena; Cobalt; Magnetic films; Magnetic surfaces
资金
- EPSRC
- The Royal Society for a University Research Fellowship
- EPSRC [EP/E039782/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E039782/1] Funding Source: researchfish
We report on experimental coercive field measurements for ultrathin films of Co on Cu{110}, revealing a complex dependence upon the surface coverage of oxygen and hydrogen adatoms. With reference to first-principles calculations, we rationalise this behaviour in terms of initial reaction with surface contaminants and/or adsorption at defects, followed by (in the case of oxygen) subsequent surface ordering and eventual formation of surface oxide. (C) 2009 Elsevier B.V. All rights reserved.
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