Open Access
Record electron self-cooling in cold-electron bolometers with a hybrid superconductor-ferromagnetic nanoabsorber and traps
A V Gordeeva
1, 2, 3
,
A. L. PANKRATOV
1, 3
,
N. G. Pugach
4, 5
,
A S Vasenko
5, 6
,
V.O. Zbrozhek
1
,
A.V. Blagodatkin
1, 2
,
D.A. Pimanov
1, 2
,
L S Kuzmin
1, 2
Publication type: Journal Article
Publication date: 2020-12-15
scimago Q1
wos Q1
SJR: 0.874
CiteScore: 6.7
Impact factor: 3.9
ISSN: 20452322
PubMed ID:
33319817
Multidisciplinary
Abstract
The Cosmic Microwave Background (CMB) radiation is the only observable that allows studying the earliest stage of the Universe. Radioastronomy instruments for CMB investigation require low working temperatures around 100 mK to get the necessary sensitivity. On-chip electron cooling of receivers is a pathway for future space missions due to problems of dilution fridges at low gravity. Here, we demonstrate experimentally that in a Cold-Electron Bolometer (CEB) a theoretical limit of electron cooling down to 65 mK from phonon temperature of 300 mK can be reached. It is possible due to effective withdrawing of hot electrons from the tunnel barrier by double stock, special traps and suppression of Andreev Joule heating in hybrid Al/Fe normal nanoabsorber.
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Total citations:
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Citations from 2024:
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GOST
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Gordeeva A. V. et al. Record electron self-cooling in cold-electron bolometers with a hybrid superconductor-ferromagnetic nanoabsorber and traps // Scientific Reports. 2020. Vol. 10. No. 1. 21961
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Gordeeva A. V., PANKRATOV A. L., Pugach N. G., Vasenko A. S., Zbrozhek V., Blagodatkin A., Pimanov D., Kuzmin L. S. Record electron self-cooling in cold-electron bolometers with a hybrid superconductor-ferromagnetic nanoabsorber and traps // Scientific Reports. 2020. Vol. 10. No. 1. 21961
Cite this
RIS
Copy
TY - JOUR
DO - 10.1038/s41598-020-78869-z
UR - https://doi.org/10.1038/s41598-020-78869-z
TI - Record electron self-cooling in cold-electron bolometers with a hybrid superconductor-ferromagnetic nanoabsorber and traps
T2 - Scientific Reports
AU - Gordeeva, A V
AU - PANKRATOV, A. L.
AU - Pugach, N. G.
AU - Vasenko, A S
AU - Zbrozhek, V.O.
AU - Blagodatkin, A.V.
AU - Pimanov, D.A.
AU - Kuzmin, L S
PY - 2020
DA - 2020/12/15
PB - Springer Nature
IS - 1
VL - 10
PMID - 33319817
SN - 2045-2322
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2020_Gordeeva,
author = {A V Gordeeva and A. L. PANKRATOV and N. G. Pugach and A S Vasenko and V.O. Zbrozhek and A.V. Blagodatkin and D.A. Pimanov and L S Kuzmin},
title = {Record electron self-cooling in cold-electron bolometers with a hybrid superconductor-ferromagnetic nanoabsorber and traps},
journal = {Scientific Reports},
year = {2020},
volume = {10},
publisher = {Springer Nature},
month = {dec},
url = {https://doi.org/10.1038/s41598-020-78869-z},
number = {1},
pages = {21961},
doi = {10.1038/s41598-020-78869-z}
}