Giant Spin-Valve Effect in Heterostructures with a Superconducting Layer
A. A. Kamashev
1
,
N.N Garif’yanov
1
,
A A Validov
1
,
J. Schümann
2
,
V. Kataev
2
,
B. Büchner
2, 3
,
Ya V Fominov
4, 5, 6
,
I. A. GARIFULLIN
1
1
Publication type: Journal Article
Publication date: 2019-09-01
scimago Q3
wos Q3
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Abstract
The superconducting characteristics of the spin-valve Co2Cr1 - xFexAly/Cu/Ni/Cu/Pb heterostructures are studied. It is found that the difference in the plots characterizing superconducting transitions at the parallel and perpendicular orientations of magnetizations in the ferromagnetic Heusler alloy layer (HA = Co2Cr1 - xFexAly) with a high degree of spin polarization and in the nickel (Ni) layer can be as large as 0.5 K. For all samples, the dependence of Tc on the angle between the magnetization directions of the ferromagnetic layers exhibits a deep minimum near the orthogonal orientation. This minimum results from the long-range triplet components of the superconducting condensate in a ferromagnetic material. At the perpendicular orientation of the magnetizations, the Heusler alloy layer with the high degree of spin polarization absorbs the spin-polarized Cooper pairs from the spacing between the Heusler alloy and Ni layers.
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Total citations:
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Citations from 2024:
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GOST
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Kamashev A. A. et al. Giant Spin-Valve Effect in Heterostructures with a Superconducting Layer // JETP Letters. 2019. Vol. 110. No. 5. pp. 342-347.
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Kamashev A. A., Garif’yanov N., Validov A. A., Schümann J., Kataev V., Büchner B., Fominov Ya. V., GARIFULLIN I. A. Giant Spin-Valve Effect in Heterostructures with a Superconducting Layer // JETP Letters. 2019. Vol. 110. No. 5. pp. 342-347.
Cite this
RIS
Copy
TY - JOUR
DO - 10.1134/s0021364019170077
UR - https://doi.org/10.1134/s0021364019170077
TI - Giant Spin-Valve Effect in Heterostructures with a Superconducting Layer
T2 - JETP Letters
AU - Kamashev, A. A.
AU - Garif’yanov, N.N
AU - Validov, A A
AU - Schümann, J.
AU - Kataev, V.
AU - Büchner, B.
AU - Fominov, Ya V
AU - GARIFULLIN, I. A.
PY - 2019
DA - 2019/09/01
PB - Pleiades Publishing
SP - 342-347
IS - 5
VL - 110
SN - 0021-3640
SN - 1090-6487
ER -
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BibTex (up to 50 authors)
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@article{2019_Kamashev,
author = {A. A. Kamashev and N.N Garif’yanov and A A Validov and J. Schümann and V. Kataev and B. Büchner and Ya V Fominov and I. A. GARIFULLIN},
title = {Giant Spin-Valve Effect in Heterostructures with a Superconducting Layer},
journal = {JETP Letters},
year = {2019},
volume = {110},
publisher = {Pleiades Publishing},
month = {sep},
url = {https://doi.org/10.1134/s0021364019170077},
number = {5},
pages = {342--347},
doi = {10.1134/s0021364019170077}
}
Cite this
MLA
Copy
Kamashev, A. A., et al. “Giant Spin-Valve Effect in Heterostructures with a Superconducting Layer.” JETP Letters, vol. 110, no. 5, Sep. 2019, pp. 342-347. https://doi.org/10.1134/s0021364019170077.
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