volume 87 issue 10 pages 570-576

Critical current in S-FNF-S Josephson structures with the noncollinear magnetization vectors of ferromagnetic films

Publication typeJournal Article
Publication date2008-07-28
scimago Q3
wos Q3
SJR0.312
CiteScore2.3
Impact factor1.3
ISSN00213640, 10906487
Physics and Astronomy (miscellaneous)
Abstract
The critical current IC of S-FNF-S Josephson junctions, which are ferromagnet (F)-normal metal (N)-ferromagnet multilayer structures whose ends are in contact with the superconducting (S) electrodes, has been calculated. It has been shown that both the magnitude and sign of IC depends significantly on the misorientation angle α of the magnetization vectors M1, 2 of the ferromagnetic films and the distance L between the superconducting electrodes. The effect of the triplet superconducting component ∼〈ψ↑ψ↑〉 ∼〈ψ↓ψ↓〉 appearing in the structure on IC(α) has been analyzed. It has been proven that a new type of the π junction exists, appearing due to the superposition of two contributions to IC that decrease monotonically with L and are damped at lengths about the coherence length of the normal metal. It has been shown that the effective control over the magnitude and sign of IC of the structure is achieved at a small deflection of the vectors M1, 2 from the antiferromagnetic (M1 ↑↓ M2) configuration.
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Karminskaya T. Y., Kupriyanov M. Yu., Golubov A. A. Critical current in S-FNF-S Josephson structures with the noncollinear magnetization vectors of ferromagnetic films // JETP Letters. 2008. Vol. 87. No. 10. pp. 570-576.
GOST all authors (up to 50) Copy
Karminskaya T. Y., Kupriyanov M. Yu., Golubov A. A. Critical current in S-FNF-S Josephson structures with the noncollinear magnetization vectors of ferromagnetic films // JETP Letters. 2008. Vol. 87. No. 10. pp. 570-576.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1134/S0021364008100123
UR - https://doi.org/10.1134/S0021364008100123
TI - Critical current in S-FNF-S Josephson structures with the noncollinear magnetization vectors of ferromagnetic films
T2 - JETP Letters
AU - Karminskaya, T. Yu.
AU - Kupriyanov, M Yu
AU - Golubov, A. A.
PY - 2008
DA - 2008/07/28
PB - Pleiades Publishing
SP - 570-576
IS - 10
VL - 87
SN - 0021-3640
SN - 1090-6487
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2008_Karminskaya,
author = {T. Yu. Karminskaya and M Yu Kupriyanov and A. A. Golubov},
title = {Critical current in S-FNF-S Josephson structures with the noncollinear magnetization vectors of ferromagnetic films},
journal = {JETP Letters},
year = {2008},
volume = {87},
publisher = {Pleiades Publishing},
month = {jul},
url = {https://doi.org/10.1134/S0021364008100123},
number = {10},
pages = {570--576},
doi = {10.1134/S0021364008100123}
}
MLA
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MLA Copy
Karminskaya, T. Yu., et al. “Critical current in S-FNF-S Josephson structures with the noncollinear magnetization vectors of ferromagnetic films.” JETP Letters, vol. 87, no. 10, Jul. 2008, pp. 570-576. https://doi.org/10.1134/S0021364008100123.