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In order to grow magnetic layers on silicon substrates, a non-magnetic buffer layer is often needed to avoid silicide formation and to reproduce the perpendicular magnetic anisotropy obtained on metal single crystals, as in the case of Co on Au(111) and Pt(111). In this context, we have studied the electrochemical growth of Au buffer layers, and show that it is possible to obtain different film morphologies...
X-ray standing wave (XSW) analysis was used for an atomic-scale structural study of ultra-thin Si/Ge heterostructures grown on Si(001) by surfactant mediated epitaxy with Bi as the surfactant. XSW measurements were performed for the Si(004) and Si(022) Bragg reflections for Ge coverages from 1 to 10 monolayers. The measured Ge coherent positions agree with the calculated Ge positions for a tetragonally...
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