我们详细研究了Ru1-xSbxSr2Gd1.4Ce0.6Cu2O10-δ(Ru1222Gd)和RuSr2Sm2-yCeyCu2O10-δ(Ru1222Sm)系列样品的红外吸收光谱.实验结果表明,样品在680 cm-1,600 cm-1,530 cm-1,400,380cm-1附近分别出现典型的红外吸收峰.通过与类似结构的高温超导体进行比较,对吸收峰进行了指认和分析.同时,我们还分析讨论了体系的晶格结构、声子振动和输运性质的相互关系.研究结果表明,Sb掺杂和Ce含量的变化对平面氧O(3)沿a轴的伸缩振动和顶点氧0(2)沿z轴的伸缩振动有着不同的影响.
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