Physical Review B, volume 104, issue 5, publication number 054413
Penetration depth of Cooper pairs in the IrMn antiferromagnet
R. L. Seeger
1
,
G. Forestier
1
,
O. Gladii
1
,
M. Leiviskä
1
,
S. Auffret
1
,
I Joumard
1
,
C. GÓMEZ
2
,
M Rubio Roy
1
,
M. Rubio-Roy
1
,
A. I. Buzdin
3, 4
,
M. Houzet
5
,
Vincent Baltz
1
2
Grenoble INP, CIME Nanotech, F-38000 Grenoble, France
|
Publication type: Journal Article
Publication date: 2021-08-10
Journal:
Physical Review B
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
Suppression of superconductivity due to the proximity effect between a superconductor and a ferromagnet can be partially alleviated when a Cooper pair simultaneously samples different directions of the short-range exchange field. The superconductor’s critical temperature, TC, is therefore expected to partially recover when the ferromagnet is in a multi-domain state, as opposed to a single-domain state. Here, we discuss series of experiments performed with ferromagnet(Pt/Co)/spacer(IrMn and Pt)/superconductor(NbN) heterostructures. By tuning the various parameters in play, e.g., superconducting coherence length-to-thicknesses ratio, and domain sizes, we obtained up to 10% recovery of the superconducting critical temperature ΔTC/TC. This large-scale recovery made novel investigations possible. In particular, from the spacer thickness-dependence of ΔTC/TC, it was possible to deduce the characteristic length for Cooper pair penetration in an IrMn antiferromagnet. This information is crucial for electronic transport, and up to now has been difficult to access experimentally for antiferromagnets.
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Physical Review B
6 publications, 85.71%
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Mesoscience and Nanotechnology
1 publication, 14.29%
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Citations by publishers
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American Physical Society (APS)
6 publications, 85.71%
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Treatise
1 publication, 14.29%
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Seeger R. L. et al. Penetration depth of Cooper pairs in the IrMn antiferromagnet // Physical Review B. 2021. Vol. 104. No. 5. 054413
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Seeger R. L., Forestier G., Gladii O., Leiviskä M., Auffret S., Joumard I., GÓMEZ C., Rubio Roy M., Rubio-Roy M., Buzdin A. I., Houzet M., Baltz V. Penetration depth of Cooper pairs in the IrMn antiferromagnet // Physical Review B. 2021. Vol. 104. No. 5. 054413
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TY - JOUR
DO - 10.1103/physrevb.104.054413
UR - https://doi.org/10.1103/physrevb.104.054413
TI - Penetration depth of Cooper pairs in the IrMn antiferromagnet
T2 - Physical Review B
AU - Seeger, R. L.
AU - Forestier, G.
AU - Gladii, O.
AU - Leiviskä, M.
AU - Auffret, S.
AU - Joumard, I
AU - GÓMEZ, C.
AU - Rubio Roy, M
AU - Buzdin, A. I.
AU - Houzet, M.
AU - Baltz, Vincent
AU - Rubio-Roy, M.
PY - 2021
DA - 2021/08/10
PB - American Physical Society (APS)
IS - 5
VL - 104
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
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@article{2021_Seeger,
author = {R. L. Seeger and G. Forestier and O. Gladii and M. Leiviskä and S. Auffret and I Joumard and C. GÓMEZ and M Rubio Roy and A. I. Buzdin and M. Houzet and Vincent Baltz and M. Rubio-Roy},
title = {Penetration depth of Cooper pairs in the IrMn antiferromagnet},
journal = {Physical Review B},
year = {2021},
volume = {104},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103/physrevb.104.054413},
number = {5},
doi = {10.1103/physrevb.104.054413}
}
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