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Electroless nickel-phosphor (Ni-P) plating has been extensively used as a diffusion barrier layer in printed circuit board applications. However, the interfacial reactions between electroless Ni-P and lead (Pb)-free Sn solders during high temperature reflow are known to dissolve Ni-P excessively into Sn leaving behind a brittle Ni3P compound at the interface. This often causes various reliability...
A concise method to synthesize benzo[c]phenanthridine alkaloid, nornitidine, was developed utilizing nickel- or palladium-catalyzed iminoannulation of an internal alkyne. The advantages of this strategy included readily available starting materials, inexpensive reagents, short reaction steps, and good yields.
Nickel nanorods with tunable diameters and lengths have been synthesized via a combined technique of PEG (polyethylene glycol)-assisted hydrothermal and thermal decomposition reducing method. The diameters and lengths of rods could be easily controlled by using different molecular mass of PEG. The structure, morphology and magnetic properties of the products were characterized by X-ray powder diffraction...
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