Electronic structure of carbolite films

被引:3
|
作者
Ionov, AM [1 ]
Danzenbächer, S
Molodtsov, SL
Koepernik, K
Richter, M
Laubschat, C
机构
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia
[2] Tech Univ Dresden, Inst Oberflachen & Mikrostrukturphys, D-01062 Dresden, Germany
[3] St Petersburg State Univ, Inst Phys, St Petersburg 198904, Russia
[4] Max Planck Inst Chem Phys, D-01062 Dresden, Germany
[5] IFW Dresden, Dept Theoret Solid State Phys, D-01171 Dresden, Germany
关键词
carbon allotropes; electron spectroscopy; band-structure; photoemission;
D O I
10.1016/S0169-4332(01)00044-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The electronic structure of thin films of carbolite grown in situ in UHV conditions by impulse are deposition was studied by UPS and EELS. The obtained experimental data were compared with results of LDA-FPLO band-structure calculations. It was found that the electronic structure of carbolite is clearly different as compared to that of graphite and amorphous carbon. The weak photoemission intensity at the Fermi energy as well as the lineshape of the elastic peak in EELS spectra favours rather semiconducting behaviour of carbolite. The results of our band-structure calculations for carbolite polyyne-type chains with small kink angles are in a good agreement with the UPS data. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:207 / 211
页数:5
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