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We studied the size dependence of the electronic structure of nanocrystalline copper embedded in silicon carbide by means of soft X-ray absorption spectroscopy. Changes in the local electronic states of copper nanoclusters, including the shift in binding energy and the reduction of s–p–d hybridization, occurred. The experimental result was compared with the ab initio self-consistent, real-space, multiple-scattering...
Nanocrystalline copper clusters embedded in silicon carbide were made by island growth during sputter deposition. The distribution and morphology of metal clusters were observed by high-resolution transmission electron microscopy. To investigate chemical bonding at the copper–silicon carbide interface, we studied the electronic states of copper and silicon using X-ray photoelectron spectroscopy (XPS)...
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