Cascaded superconducting junction refrigerators: Optimization and performance limits
Publication type: Journal Article
Publication date: 2021-08-02
scimago Q1
wos Q2
SJR: 0.896
CiteScore: 6.1
Impact factor: 3.6
ISSN: 00036951, 10773118
Physics and Astronomy (miscellaneous)
Abstract
We demonstrate highly transparent silicon–vanadium and silicon–aluminum tunnel junctions with relatively low sub-gap leakage current and discuss how a trade-off typically encountered between transparency and leakage affects their refrigeration performance. We theoretically investigate cascaded superconducting tunnel junction refrigerators with two or more refrigeration stages. In particular, we develop an approximate method that takes into account self-heating effects but still allows us to optimize the cascade a single stage at a time. We design a cascade consisting of energy-efficient refrigeration stages, which makes cooling of, e.g., quantum devices from above 1 K to below 100 mK a realistic experimental target.
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7
Total citations:
7
Citations from 2024:
4
(57.15%)
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GOST
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Kemppinen A. et al. Cascaded superconducting junction refrigerators: Optimization and performance limits // Applied Physics Letters. 2021. Vol. 119. No. 5. p. 52603.
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Kemppinen A., Ronzani A., Mykkänen E., Hätinen J., Lehtinen J., Prunnila M. Cascaded superconducting junction refrigerators: Optimization and performance limits // Applied Physics Letters. 2021. Vol. 119. No. 5. p. 52603.
Cite this
RIS
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TY - JOUR
DO - 10.1063/5.0060652
UR - https://doi.org/10.1063/5.0060652
TI - Cascaded superconducting junction refrigerators: Optimization and performance limits
T2 - Applied Physics Letters
AU - Kemppinen, A
AU - Ronzani, A.
AU - Mykkänen, E
AU - Hätinen, J
AU - Lehtinen, Janne
AU - Prunnila, Mika
PY - 2021
DA - 2021/08/02
PB - AIP Publishing
SP - 52603
IS - 5
VL - 119
SN - 0003-6951
SN - 1077-3118
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2021_Kemppinen,
author = {A Kemppinen and A. Ronzani and E Mykkänen and J Hätinen and Janne Lehtinen and Mika Prunnila},
title = {Cascaded superconducting junction refrigerators: Optimization and performance limits},
journal = {Applied Physics Letters},
year = {2021},
volume = {119},
publisher = {AIP Publishing},
month = {aug},
url = {https://doi.org/10.1063/5.0060652},
number = {5},
pages = {52603},
doi = {10.1063/5.0060652}
}
Cite this
MLA
Copy
Kemppinen, A., et al. “Cascaded superconducting junction refrigerators: Optimization and performance limits.” Applied Physics Letters, vol. 119, no. 5, Aug. 2021, p. 52603. https://doi.org/10.1063/5.0060652.