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Physical Review Letters, volume 96, issue 19, publication number 197003

Thickness Dependence of the Josephson Ground States of Superconductor-Ferromagnet-Superconductor Junctions

Publication typeJournal Article
Publication date2006-05-19
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor8.6
ISSN00319007, 10797114
General Physics and Astronomy
Abstract
We report the first experimental observation of the two-node thickness dependence of the critical current in Josephson junctions with a ferromagnetic interlayer. Nodes of the critical current correspond to the transitions into the pi state and back into the conventional 0 state. From the experimental data the superconducting order parameter oscillation period and the pair decay length in the ferromagnet are extracted reliably. We develop a theoretical approach based on the Usadel equations taking into account the spin-flip scattering. Results of numerical calculations are in good agreement with experiments.

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GOST Copy
Oboznov V. et al. Thickness Dependence of the Josephson Ground States of Superconductor-Ferromagnet-Superconductor Junctions // Physical Review Letters. 2006. Vol. 96. No. 19. 197003
GOST all authors (up to 50) Copy
Oboznov V., Bolginov V. V., Bol'ginov V., Feofanov A. K., Feofanov A., Ryazanov V. V., Ryazanov V. V., Buzdin A. I. Thickness Dependence of the Josephson Ground States of Superconductor-Ferromagnet-Superconductor Junctions // Physical Review Letters. 2006. Vol. 96. No. 19. 197003
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevLett.96.197003
UR - https://doi.org/10.1103/PhysRevLett.96.197003
TI - Thickness Dependence of the Josephson Ground States of Superconductor-Ferromagnet-Superconductor Junctions
T2 - Physical Review Letters
AU - Oboznov, V.A.
AU - Bolginov, V V
AU - Feofanov, A K
AU - Ryazanov, V. V.
AU - Buzdin, A. I.
AU - Bol'ginov, V.V.
AU - Feofanov, A.K.
AU - Ryazanov, V V
PY - 2006
DA - 2006/05/19
PB - American Physical Society (APS)
IS - 19
VL - 96
SN - 0031-9007
SN - 1079-7114
ER -
BibTex
Cite this
BibTex Copy
@article{2006_Oboznov,
author = {V.A. Oboznov and V V Bolginov and A K Feofanov and V. V. Ryazanov and A. I. Buzdin and V.V. Bol'ginov and A.K. Feofanov and V V Ryazanov},
title = {Thickness Dependence of the Josephson Ground States of Superconductor-Ferromagnet-Superconductor Junctions},
journal = {Physical Review Letters},
year = {2006},
volume = {96},
publisher = {American Physical Society (APS)},
month = {may},
url = {https://doi.org/10.1103/PhysRevLett.96.197003},
number = {19},
doi = {10.1103/PhysRevLett.96.197003}
}
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