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OPTICAL-PROPERTIES OF GRAPHITE-LIKE CARBON-FILMS

被引：10
作者：
GAVRILENKO, VI
FROLOV, SI
PIDLISNYJ, EV
机构：
[1] Institute of Semiconductors, Ukrainian Academy of Sciences, 252650 Kiev -28, Prospect Nauki 45, SU
来源：
THIN SOLID FILMS | 1990年 / 190卷 / 02期
关键词：
D O I：
10.1016/0040-6090(89)90915-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A model of the electronic structure of graphite-like carbon films, describing the semiconductor properties of this material, is presented. Spectra of optical constants of microcrystalline carbon films in the region λ = 0.4-8.0 μm were studied by the spectral ellipsometry and IR reflection methods. A number of distinctive features of the spectra, associated with both the appearance of CC- and CHn-type bonds and direct energy gaps, were found. Analysis of the optical data using the proposed model makes possible a common interpretation of our results and literature data. Values of a parameter Θ, which is an averaged qualitative parameter of structural distortions within carbon microcrystallites as compared with crystalline graphite, are determined from comparison of theoretical results and experimental data. © 1990.
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收藏
页码：255 / 263
页数：9
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