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A new type of carbon-copper core-shell nanoparticles (CCCSNs) have been fabricated using biomass as template. CCCSNs, as made, are homogeneously embedded in carbon black as a composite material. The composite material can be further processed in different dimensions (from hundreds nanometers to meters) based on application needs. The special carbon shells transformed from biomass can protect the copper...
Alkaline metal (AM) atoms filled CoSb3 skutterudites are synthesized by melting method and sintered by spark plasma sintering. The maximal filling fraction or filling fraction limit (FFL) of AM (AM=Li, Na, K, Cs) in CoSb3 are estimated experimentally and show good agreement with our previous calculations based on density functional method. The effect of thermodynamics properties on FFL, crystallographic...
Fe100-xNx thin films were prepared by RF sputtering in nitrogen with a low plasma density. All films had compositions in the range 0??x??35 at% and consisted of a single metastable phase with a body-centered cubic structure. The saturation magnetization seemed to follow the Slater-Pauling curve with respect to the nitrogen concentration. In the films, the Fe atoms that were nearest-neighbors to nitrogen...
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