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Here, nickel microspheres (Ni) were prepared by a solvothermal method, and then they were etched by Fe3+ ions in glycerol at 363K to realize surface-nanocrystallization. By surface-nanocrystallization on Ni, the reactivity of Ni can be improved and its magnetic properties can be maintained at their usual rate, which are important for the potential application of Ni as a magnetic catalyst. In this...
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