Sudden Suppression of Electron-Transmission Peaks in Finite-Biased Nanowires
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概要
- 論文の詳細を見る
Negative differential conductance (NDC) is expected to be an essential property to realize fast switching in future electronic devices. We here present a thorough analysis on electron transmission of a simple atomic-scale model consisting of two rectangular prisms, and clarify the detailed mechanism of the occurrence of NDC phenomenon in terms of the changes of local density of states upon applying bias voltages to the electrodes. On boosting up bias voltages, we observe the sudden suppression of transmission peaks which results in NDC behavior in the current-voltage characteristic. This suppression is explained by the fact that when the bias voltage exceeds a certain threshold, the conduction channels contributing to the current flow are suddenly closed up to deny the electron transportation.
- 社団法人応用物理学会の論文
- 2002-12-15
著者
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Hirose Kikuji
Department Of Precision Science And Technology Osaka University
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Hirose Kikuji
Department Of Mechanical Engineering Kochi National College Of Technology
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Aono Masakazu
Icorp/japan Science And Technology Agency
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Aono Masakazu
The Institute Of Physical And Chemical Research (riken)
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TSUKAMOTO Shiro
The Anan National College of Technology
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Aono M
Inst. Of Physical And Chemical Res. Wako Jpn
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Aono M
Physical And Chemical Res. (riken) Saitama
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Tsukamoto Shigeru
The Institute Of Physical And Chemical Research (riken)
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Aono Masakazu
The Institute Of Physical And Chemical Research (riken):department Of Precision Science And Technolo
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Aono Masakazu
National Institute For Researches In Inorganic Materials
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Aono Masakazu
Aono Atomcraft Project Erato Jrdc:surface And Interface Laboratory The Institute Of Physical And Che
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Aono Masakazu
The Institute Of Physical And Chemical Research (riken):department Of Precision Science And Technolo
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AONO Masakazu
The Institute of Physical and Chemical Research
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