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The authors report on the fabrication of a Si-based single electron transistor (SET), in which the gate is formed just on the top of quantum dots (QDs). By this kind of structure, the gate modulation factor can be modulated to be high, which provides a promising approach to improve the voltage gain. It is demonstrated that the gate modulation factor achieves 0.84 in the fabricated SET device with sub-
Published in:
Applied Physics Letters
(Volume:89
,
Issue:
17
)
Date of Publication: Oct 2006