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NiO/SnO2 hybrid nanowires showed an enhanced sensitivity against NO2 gas of ppm concentrations (5–15ppm) when compared to pristine SnO2 counterpart without the NiO decoration. The hybrid structure involved uniform deposition of NiO nano-islands with a size less than 10nm in diameter on surface of the SnO2 nanowires. A fivefold increase on the sensing response, i.e., from 1.65 to 9.34, was found for...
Research on the relationship of microstructure and properties of coated tools such as TiAlN and TiAlSiN plays a key role in obtaining the needed cutting performance in titanium machining. In this study, three kinds of coatings of TiAlN, TiAlSiN monolayer and TiAlN/TiAlSiN composite multilayer have been fabricated by magnetron sputtering method. It is found that the coating structure changes from columnar...
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