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The mechanism for spontaneous tin (Sn) whisker growth has been elusive for nearly 70 years. This study is to understand this phenomenon based on a new substrate system rather than traditional ones (Sn and its alloys). On ball-milled Ti/Sn/C samples, spontaneous growth of Sn whiskers different from general ones was observed. Ti2SnC grains were found to form during ball milling process, and the Sn atom...
A new method, combining impregnation and vapor-hydrolysis, was developed to prepare hybrid photocatalyst: nitrogen doped TiO 2 coated activated carbon (N–TiO 2 /AC). The activated carbon (AC) was impregnated into titanium tetraethoxide/urea/methanol solution, and then the impregnated AC powder was kept in water vapor at 90°C for 3h for hydrolysis. Then it was calcinated to fabricate...
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