Frequency-dependent electrical conductivity of nanocrystalline SnO2

被引：0
|
作者：
A. S. Chizhov
M. N. Rumyantseva
A. M. Gaskov
机构：
[1] Moscow State University,
来源：
Inorganic Materials | 2013年 / 49卷
关键词：
Constant Phase Element; Nanocrystalline Material; Barrier Model; Charge Transport Process; Dimensionless Conductivity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nanocrystalline SnO2 with a crystallite size of 3–4 and 5–6 nm has been prepared by a sol-gel process in aqueous solution. Its ac electrical conductivity has been measured in dry air at a temperature of 200°C. The observed frequency dependence of its conductivity has been interpreted in terms of the random potential barrier model. The data obtained indicate that the transport properties of the material are dominated by hopping conduction through disordered crystallite boundaries.
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页码：1000 / 1004
页数：4
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