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研究了以次磷酸钠为还原剂的化学镀铜过程.分析了温度、pH、硫酸镍含量对化学镀铜沉积速率的影响及镀层的表面形貌和结构.结果表明,沉积速率随着镀液温度、pH和Ni离子浓度的提高而增大.镀层组分含量和XRD实验结果表明镀层为铜镍合金,呈面心立方结构,晶面间距d与晶胞参数a与标准Cu-Ni的相比略大.SEM实验表明,镀层表面形貌为团粒状,颗粒大小较不均匀.

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