Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Pumping properties of the hybrid single-electron transistor in dissipative environment
AU - Lotkhov, S. V.
AU - Kemppinen, A.
AU - Kafanov, Sergey
AU - Pekola, J. P.
AU - Zorin, A. B.
PY - 2009/11
Y1 - 2009/11
N2 - 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.
AB - 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.
U2 - 10.1063/1.3227839
DO - 10.1063/1.3227839
M3 - Journal article
AN - SCOPUS:70349495677
VL - 95
JO - Applied Physics Letters
JF - Applied Physics Letters
SN - 0003-6951
IS - 11
M1 - 112507
ER -