Plasmon Excitation in 2D and 3D C<suB>60</suB> Studied by Photoemission

Chin. Phys. Lett.

1993, Vol. 10

Issue (3): 167-170 DOI:

Original Articles

Plasmon Excitation in 2D and 3D C₆₀ Studied by Photoemission

XUN Kun¹;DENG Junzhuo²;YAO Jun²;LIU Fengqin²;TAO Xiaoping²;LÜ Si hua³;WANG Zuquan³;WU Sicheng^2,3

¹Department of Physics, Yantai University, Yantai 264005 ²Synchrotron Radiation Laboratory, Institute of High Energy Physics, Academia Sinica, Beijing 100039 ³Department of Physics, Peking University, Beijing 100871

Cite this article:

XUN Kun, DENG Junzhuo, YAO Jun et al 1993 Chin. Phys. Lett. 10 167-170

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Abstract For near monolayer (ML) C₆₀ condensed on Sn substrate, x-ray photoemission studies of Cls level reveal a feature centered about 22eV below the main peak. Analyses show that the feature is caused by the plasmon loss of the two dimensional C₆₀ film. Bulk plasmon loss peak(～ 28 eV blow the main peak), which has been observed on thick C₆₀ films, was not observed on the C₆₀ films with coverage θ < 2 ML. It indicates that the 28eV energy loss feature is due to a bulk plasmon associated with the solid C₆₀ but not a single C₆₀ molecule.

Keywords: 73.60.-n 79.60.-i 81.60.-j

Published: 01 March 1993

PACS:	73.60.-n
	79.60.-i	(Photoemission and photoelectron spectra)
	81.60.-j

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I3/0167

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