Thermal desorption spectroscopy of fullerene films containing endohedral Li@C60

被引:19
|
作者
Kusch, C [1 ]
Krawez, N [1 ]
Tellgmann, R [1 ]
Winter, B [1 ]
Campbell, EEB [1 ]
机构
[1] Max Born Inst Nichtlineare Opt & Kurzzeitspekt, D-12474 Berlin, Germany
来源
关键词
D O I
10.1007/s003390050669
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Thermal desorption spectroscopy has been carried out on thin fullerene films containing endohedral Li @ C-60 and produced by low-energy ion bombardment. The desorption properties of the films were studied as a function of the film thickness, ion energy, and ion dose. The results provide strong corroborative evidence for the endohedral nature of the Li-containing species and also clearly indicate the prescence of Li-2 @ C-60 in the films. The binding energy in these films is significantly larger than in pure C-60 films and evidence of degradation of the fullerenes is seen at high ion energies and/or large ion doses.
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页码:293 / 298
页数:6
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