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硅表面直接化学镀镍研究 被引量:6

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摘要 演示了n-Si(100)不经预先活化处理, 可在碱性镀液中直接进行化学镀镍. 考察了镀液pH值和温度对镀层中金属颗粒尺寸的影响, 并运用能量耗散谱(EDS)分析了硅表面上化学镀层的元素组成. 发现温度的提高或镀液pH值的降低会使沉积层中的金属颗粒尺寸增大. 根据半导体电化学原理讨论了镍离子在硅表面还原的可能机理, 化学镀镍晶种的形成主要归因于在碱性溶液中Si表面上水分子捕获半导体电子而产生原子氢.
出处 《科学通报》 EI CAS CSCD 北大核心 2004年第17期1711-1715,共5页 Chinese Science Bulletin
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