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We investigate the electronic structure of cobalt–nickel mixed oxides by means of SR-based electron spectroscopy. We vary the Co–Ni content systematically and find that the most significant changes in the spectroscopic data occur at a mixing ratio of 30/70. We analyze the electronic structure of this material in detail and we are able to distinguish between pure covalent contributions, which cause...
A potential method for the de-acidification of water-logged archaeological wood is through a treatment with alkaline nanoparticles. To provide information on the process we have measured the penetration of strontium carbonate nanoparticles in fresh oak blocks from dispersions of water and 2-propanol. The diffusion coefficient into the wood from aqueous dispersions is ~3×10 −12 m 2 ...
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