科研之友
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摘要
Considering quantum mechanical tunneling effect, we derive a formula for calculating the effective conductivity (electric and thermal) of metal-insulator composites. In order to consider the interaction between the metal particles, a simple self-consistent way is used to improve this expression. Besides, we report the experimental results of effective conductivity (electric and thermal) of Co-ZrO2 and Ni-ZrO2 composites. We find that the theoretical results given by our model are in good agreement with the experimental data.
- 出版日期2003-1
- 单位清华大学
