在传统的化学镀镀液中分别添加Y-La、Y-Pr和Y-Nd等混合稀土制备钯/α-Al2O3无机复合膜.重点研究了在镀液中添加混合稀土对钯的沉积速度、镀膜温度和膜表面结构的影响,并用扫描电镜对钯膜表面形貌进行了表征.实验结果表明:在镀液中分别添加适量的Y-La、Y-Pr和Y-Nd等混合稀土,可提高镀速31%～60%、降低镀温10℃～20℃、缩小钯膜的晶核尺寸和提高膜的致密性.
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