Journal of Physical Chemistry Letters, volume 11, issue 21, pages 9393-9399
Electronic Structures and Surface Reconstructions in Magnetic Superconductor RbEuFe4As4.
Stolyarov V. S.
1, 2
,
Pervakov K.S.
3
,
Astrakhantseva Anna S
1
,
Golovchanskiy I.A.
1, 4
,
Vyalikh Denis
5, 6
,
Kim Timur K
7
,
Vlasenko V A
3
,
Pudalov V.M.
3, 9
,
Golubov Alexander A.
1, 10
,
Chulkov E.V.
5, 9
,
Roditchev D.
11
5
7
Diamond Light Source, Harwell Campus, Didcot OX11 0DE, United Kingdom
|
10
Faculty of Science and Technology and MESA+, Institute of Nanotechnology, 7500 AE Enschede, The Netherlands
|
Publication type: Journal Article
Publication date: 2020-10-23
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor: 5.7
ISSN: 19487185
Physical and Theoretical Chemistry
General Materials Science
Abstract
In pnictide RbEuFe4As4, superconductivity sets in at 36 K and coexists, below 15-19 K, with the long-range magnetic ordering of Eu 4f spins. Here we report scanning tunneling experiments performed on cold-cleaved single crystals of the compound. The data revealed the coexistence of large Rb-terminated and small Eu-terminated terraces, both manifesting 1 × 2 and 2×2 reconstructions. On 2×2 surfaces, a hidden electronic order with a period ∼5 nm was discovered. A superconducting gap of ∼7 meV was seen to be strongly filled with quasiparticle states. The tunneling spectra compared with density functional theory calculations confirmed that flat electronic bands due to Eu 4f orbitals are situated ∼1.8 eV below the Fermi level and thus do not contribute directly to Cooper pair formation.
Citations by journals
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6
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Journal of Physical Chemistry Letters
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6 publications, 31.58%
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3 publications, 15.79%
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3 publications, 15.79%
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1 publication, 5.26%
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1 publication, 5.26%
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1 publication, 5.26%
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ACS Omega
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1 publication, 5.26%
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Journal of Superconductivity and Novel Magnetism
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1 publication, 5.26%
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Citations by publishers
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American Chemical Society (ACS)
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American Chemical Society (ACS)
8 publications, 42.11%
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American Physical Society (APS)
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3 publications, 15.79%
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Pleiades Publishing
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3 publications, 15.79%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 5.26%
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IOP Publishing
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IOP Publishing
1 publication, 5.26%
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Springer Nature
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Springer Nature
1 publication, 5.26%
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1
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8
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Stolyarov V. S. et al. Electronic Structures and Surface Reconstructions in Magnetic Superconductor RbEuFe4As4. // Journal of Physical Chemistry Letters. 2020. Vol. 11. No. 21. pp. 9393-9399.
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Stolyarov V. S., Pervakov K., Astrakhantseva A. S., Golovchanskiy I., Vyalikh D., Kim T. K., Eremeev S. V., Vlasenko V. A., Pudalov V., Golubov A. A., Chulkov E., Roditchev D. Electronic Structures and Surface Reconstructions in Magnetic Superconductor RbEuFe4As4. // Journal of Physical Chemistry Letters. 2020. Vol. 11. No. 21. pp. 9393-9399.
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TY - JOUR
DO - 10.1021/acs.jpclett.0c02711
UR - https://doi.org/10.1021%2Facs.jpclett.0c02711
TI - Electronic Structures and Surface Reconstructions in Magnetic Superconductor RbEuFe4As4.
T2 - Journal of Physical Chemistry Letters
AU - Astrakhantseva, Anna S
AU - Stolyarov, V. S.
AU - Golovchanskiy, I.A.
AU - Vyalikh, Denis
AU - Kim, Timur K
AU - Eremeev, Sergey V.
AU - Pervakov, K.S.
AU - Vlasenko, V A
AU - Pudalov, V.M.
AU - Golubov, Alexander A.
AU - Chulkov, E.V.
AU - Roditchev, D.
PY - 2020
DA - 2020/10/23 00:00:00
PB - American Chemical Society (ACS)
SP - 9393-9399
IS - 21
VL - 11
SN - 1948-7185
ER -
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@article{2020_Stolyarov,
author = {Anna S Astrakhantseva and V. S. Stolyarov and I.A. Golovchanskiy and Denis Vyalikh and Timur K Kim and Sergey V. Eremeev and K.S. Pervakov and V A Vlasenko and V.M. Pudalov and Alexander A. Golubov and E.V. Chulkov and D. Roditchev},
title = {Electronic Structures and Surface Reconstructions in Magnetic Superconductor RbEuFe4As4.},
journal = {Journal of Physical Chemistry Letters},
year = {2020},
volume = {11},
publisher = {American Chemical Society (ACS)},
month = {oct},
url = {https://doi.org/10.1021%2Facs.jpclett.0c02711},
number = {21},
pages = {9393--9399},
doi = {10.1021/acs.jpclett.0c02711}
}
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Stolyarov, V. S., et al. “Electronic Structures and Surface Reconstructions in Magnetic Superconductor RbEuFe4As4..” Journal of Physical Chemistry Letters, vol. 11, no. 21, Oct. 2020, pp. 9393-9399. https://doi.org/10.1021%2Facs.jpclett.0c02711.