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IEICE TRANSACTIONS on Electronics

Proposal and Analysis of Quantum-Interference High-Speed Electron Devices Using Metal-Insulator Heterostructure

Tomoaki SAKAGUCHI, Masahiro WATANABE, Masahiro ASADA

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Summary :

A novel transistor, introducing metal and iusulator and using the quantum interference of hot electrons in the conduction band of an insulator as the operation principle, is proposed. The metal-insulator combination contributes to the reduction of the device size and obtaining high current density, low resistivity, and small capacitance, which result in the decrease of the response time of the device. Also, since this combination has the extremely high conduction band discontinuity, strong quantum interference can be obtained. The static I-V characteristics are analyzed and it is shown that there are multiple peaks useful for a variety of signal processing and logic applications. In addition, since the gradient between each peak and valley in the characteristics is steep, the device used as an amplifier has a high transconductance which contributes to the reduction of the response time. We show the possibility of subpicosecond response (0.2 ps) of this device theoretically.

Publication
IEICE TRANSACTIONS on Electronics Vol.E74-C No.10 pp.3326-3333
Publication Date
1991/10/25
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Quantum Electronics

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