Effect of reductant and PVP on morphology and magnetic property of ultrafine Ni powders prepared via hydrothermal route
Materials Research Bulletin(2013)
Abstract
The ultrafine Ni powders with the shapes including sphere, pearl-string, leaf, fish-bone, hexagonal sheet and silknet were prepared through one-step hydrothermal reduction using different reductants. Their saturation magnetization, remanent magnetization and coercivity sequentially increase, and the coercivity of hexagonal sheet-like Ni powders increases by 25% compared with the Ni bulk counterpart.
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Key words
A. Magnetic materials,A. Metals,B. Chemical synthesis,C. X-ray diffraction,D. Magnetic properties
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