Anomalous hopping and tunneling effects in a new aluminum film percolation system |
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| Authors: | Xia A-gen Ye Jian-ting Ye Quan-lin Tao Xiang-ming Jin Jin-sheng Ye Gao-xiang |
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| Institution: | (1) Department of Physics, Zhejiang University, 310028 Hangzhou, China |
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| Abstract: | A new aluminum thin film percolation system, deposited on glass and silicon wafer surfaces by a vapor deposition method, was
investigated. By using the expansive and mobile behaviors of the silicone oil, the Al films are quenched gradually by the
silicone oil during the deposition process. TheR-I behavior of the film system was studied, and the anomalous conductivity indicated that, at very low current, the hopping
and tunneling effects in the films are much stronger than those of the normal film systems.
Project supported by NSFC (Grant No. 19874016) and the Special Fund of Zhejiang Provincial Natural Science Foundation for
Young Scientists (Grant No. 1997-RC9603). |
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| Keywords: | thin film percolation hopping conductance tunneling effect |
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