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根据K在C60 晶体中的扩散系数分析了在C60 (1 1 1 )单晶解理面上制备K3 C60 单晶膜的实验条件。对制备出的样品进行了角分辨光电子谱研究。结果表明样品确实为K3 C60 单晶 ,并首次观察到K3 C60 的能带色散。
According to the diffusion coefficient of K in C60 crystal, the experimental conditions for preparing K3 C60 single crystal film on C60 (1 1 1) single crystal cleavage plane were analyzed. The prepared samples were investigated by angle-resolved photoelectron spectroscopy. The results show that the sample is indeed K3 C60 single crystal, and the band dispersion of K3 C60 was first observed.