Single-Electron-Tunneling Effect in Nanoscale Granular Microbridges
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概要
- 論文の詳細を見る
The single-electron-tunneling (SET) effect in a nanoscale granular microbridge, which consists of a two-dimensional array of small intergrain tunnel junctions, was investigated. We observed the Coulomb blockade effect and the periodic electrical field effect in the microbridges. These results coincide well with results of numerical calculations based on a model of a two-dimensional SET junction array. We showed that electron conduction properties of the microbridges are quasi-zero-dimensional, because the size of the charge soliton is larger than the dimensions of the microbridges. The details of the current-voltage characteristics were considered as an aspect of the Kosterlitz-Thouless (KT) transition, which is a peculiar phase transition in a two dimensional system. The electron conduction properties are extremely affected by the existence of a fixed background charge.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1997-06-30
著者
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Sugahara Masanori
Faculty Of Engineering Yokohama National University
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Miura Norihiro
Faculty Of Engineering Yokohama National University
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Kimijima Hideki
Faculty Of Engineering Yokohama National University
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Yoshikawa Nobuyuki
Faculty Of Agriculture Iwate University
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Sugahara Masanori
Faculty of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya, Yokohama 240, Japan
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Yoshikawa Nobuyuki
Faculty of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya, Yokohama 240, Japan
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Kimijima Hideki
Faculty of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya, Yokohama 240, Japan
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