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The SnO 2 gas sensors and catalytic surfaces are produced by different techniques with a wide range of dopants improving their selectivity and sensitivities. The surface topology is important because the active surface area can be enlarged dramatically by employing nanostructures. Many reported techniques for the tin oxide nanostructures preparation require fine powders or liquid precursors...
The formation and subsequent time-evolution of silicon carbide nanocrystals grown on a silicon surface by high-temperature vacuum annealing was investigated, with the effects of carbon contamination on the properties of these nanostructures being examined. The presence of higher contaminant levels during an annealing step was found to strongly enhance the nanocrystal growth rate, yet conversely to...
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