Pumping properties of the hybrid single-electron transistor in dissipative environment

Lotkhov, S. V. and Kemppinen, A. and Kafanov, Sergey and Pekola, J. P. and Zorin, A. B. (2009) Pumping properties of the hybrid single-electron transistor in dissipative environment. Applied Physics Letters, 95 (11). ISSN 0003-6951

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Abstract

Pumping characteristics were studied of a hybrid normal-metal/ superconductor single-electron transistor embedded in high-Ohmic environment. Two 3 μm long microstrip resistors of CrOx with a sum resistance R≈80 k were placed adjacent to the transistor. Substantial improvement of pumping and a reduction of the subgap leakage were observed in the low-megahertz range. At higher frequencies (0.1-1 GHz), pumping performance deteriorated compared to reference devices without resistors by the slowdown of tunneling and by electronic heating.

Item Type:
Journal Article
Journal or Publication Title:
Applied Physics Letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
ID Code:
84901
Deposited By:
Deposited On:
27 Feb 2017 15:06
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 10:14