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Development of Valence Bands of C60 from Submonolayer to Two and Three Dimensionality |
XUN Kun1;DENG Junzhuo2;LIU Fengqin2;YAO Jun2;LÜ Sihua3;WANG Zuquan3;WU Sicheng2,3 |
1Department of Physics, Yantai University, Yantai 264005
2Laboratory of Synchrotron Radiation, Institute of High Energy Physics, Academia Sinica, Beijing 100039
3Department of Physics, Peking University, Beijing 100871
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Cite this article: |
XUN Kun, DENG Junzhuo, LIU Fengqin et al 1993 Chin. Phys. Lett. 10 119-122 |
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Abstract For submonolayer amounts of C60 condensed on Sn substrate, the peaks derived from top two occupied molecular orbitals were broadened by 0.3eV in comparison with solid C60. For coverage θ < 1 monolayer, the broadenings are independent of the coverage. It indicates that the delocalizations of electrons in valence bands of C60 are weak and the widths do not reflect the true band dispersions.
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Keywords:
79.60.-i
33.60.-q
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Published: 01 February 1993
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