Low Temperature Physics, volume 49, issue 1, pages 103-107
Mo-Re alloy: A new benchmark two-band superconductor
2
Kyiv Academic University 2 , Kyiv 03142, Ukraine
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3
G. V. Kurdyumov Institute for Metal Physics of the National Academy of Sciences of Ukraine 3 , Kyiv 03142, Ukraine
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Publication type: Journal Article
Publication date: 2023-01-01
Journal:
Low Temperature Physics
Quartile SCImago
Q3
Quartile WOS
Q4
Impact factor: 0.8
ISSN: 1063777X, 10906517
General Physics and Astronomy
Physics and Astronomy (miscellaneous)
Abstract
Multigap superconductivity, emerging in metals with several bands crossing the Fermi level, favors exotic superconducting orders that have no equivalent in a single-band counterpart. In this context, it is important to search for new materials with well-established two (or more) gaps having distinctly different sizes. In this work, we confirm previous statements and present new evidence to support the claim that Mo-Re alloy with a comparable concentration of the components is a two-band/two-gap superconductor. The differential conductance spectra obtained in point-contact experiments demonstrate the presence of a bosonic, undamped collective mode and its harmonics associated with the superconducting state. Following previous works on MgB2, we have identified these features as manifestations of the so-called Leggett mode arising due to relative phase fluctuations between two superconducting order parameters.
Top-30
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Citations by publishers
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American Institute of Physics (AIP)
1 publication, 25%
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Elsevier
1 publication, 25%
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National Academy of Sciences of Ukraine (Co. LTD Ukrinformnauka) (Publications)
1 publication, 25%
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Treatise
1 publication, 25%
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1
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Tarenkov V. et al. Mo-Re alloy: A new benchmark two-band superconductor // Low Temperature Physics. 2023. Vol. 49. No. 1. pp. 103-107.
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Tarenkov V., Shapovalov A., Zhitlukhina E., Belogolovskii M., Seidel P. Mo-Re alloy: A new benchmark two-band superconductor // Low Temperature Physics. 2023. Vol. 49. No. 1. pp. 103-107.
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TY - JOUR
DO - 10.1063/10.0016483
UR - https://doi.org/10.1063/10.0016483
TI - Mo-Re alloy: A new benchmark two-band superconductor
T2 - Low Temperature Physics
AU - Tarenkov, V.
AU - Shapovalov, A.
AU - Zhitlukhina, E.
AU - Belogolovskii, M.
AU - Seidel, P
PY - 2023
DA - 2023/01/01
PB - American Institute of Physics (AIP)
SP - 103-107
IS - 1
VL - 49
SN - 1063-777X
SN - 1090-6517
ER -
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@article{2023_Tarenkov,
author = {V. Tarenkov and A. Shapovalov and E. Zhitlukhina and M. Belogolovskii and P Seidel},
title = {Mo-Re alloy: A new benchmark two-band superconductor},
journal = {Low Temperature Physics},
year = {2023},
volume = {49},
publisher = {American Institute of Physics (AIP)},
month = {jan},
url = {https://doi.org/10.1063/10.0016483},
number = {1},
pages = {103--107},
doi = {10.1063/10.0016483}
}
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Tarenkov, V., et al. “Mo-Re alloy: A new benchmark two-band superconductor.” Low Temperature Physics, vol. 49, no. 1, Jan. 2023, pp. 103-107. https://doi.org/10.1063/10.0016483.