Characterization of complex anodic alumina films by electrochemical impedance spectroscopy

被引：24
|
作者：
Girginov, Assen
Popova, Angelina
Kanazirski, Ivan
Zahariev, Alexander
机构：
[1] Univ Chem Technol & Met, Dept Chem Phys, Sofia 1756, Bulgaria
[2] Univ Chem Technol & Met, Dept Gen & Inorgan Chem, Sofia 1756, Bulgaria
来源：
THIN SOLID FILMS | 2006年 / 515卷 / 04期
关键词：
aluminum oxide; anodic oxidation; electrical properties and measurements; dielectrics;
D O I：
10.1016/j.tsf.2006.04.050
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Complex anodic alumina films are formed by pore-filling (reanodization) of porous anodic films (matrices). These films are characterized by electrochemical impedance spectroscopy. It is determined that the recorded impedance spectra are well described by an equivalent circuit, containing a Constant Phase Element. The fitted parameters of the complex films are calculated, and information about certain dielectric characteristics of these films in contact with an electrolyte is obtained. The paper also discusses changes in the surface non-homogeneity of the complex films in comparison with those of the porous matrix. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：1548 / 1551
页数：4
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