IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Optimization of asymmetric single-electron transistor generating ac-induced dc current
Yoshinao MizugakiAkio KawaiMasataka MoriyaKouichi UsamiTadayuki KobayashiHiroshi Shimada
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2007 Volume 4 Issue 11 Pages 345-350

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Abstract

Charge tunneling events in an ac-voltage-driven asymmetric single-electron transistor (aSET) under appropriate gate charge are rectified due to the tilted Coulomb blockade (CB) diagram, which induces a finite dc electric current even under zero dc biasing. We demonstrate dependence of the dc current upon the gate charge and the amplitude of the ac voltage by means of numerical simulation based on the Monte Carlo method. Device parameters of the aSET optimized for generation of the ac-induced dc current are derived by both analytical and numerical methods.

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© 2007 by The Institute of Electronics, Information and Communication Engineers
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