Physical Review B, volume 89, issue 18, publication number 184502

Angular dependence of superconductivity in superconductor/spin-valve heterostructures

Alejandro A. Jara 1
Christopher Safranski 1
Ilya N. Krivorotov 1
Chien-Te Wu 2
Abdul N Malmi Kakkada 2
Abdul N. Malmi-Kakkada 2
ORIOL T. VALLS 2
Klaus Halterman 3
Publication typeJournal Article
Publication date2014-05-08
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
We report measurements of the superconducting transition temperature, Tc, in CoO/Co/Cu/Co/Nb multilayers as a function of the angle α between the magnetic moments of the Co layers. Our measurements reveal that Tc(α) is a nonmonotonic function, with a minimum near α=π/2. Numerical self-consistent solutions of the Bogoliubov-de Gennes equations quantitatively and accurately describe the behavior of Tc as a function of α and layer thicknesses in these superconductor/spin-valve heterostructures. We show that experimental data and theoretical evidence agree in relating Tc(α) to enhanced penetration of the triplet component of the condensate into the Co/Cu/Co spin valve in the maximally noncollinear magnetic configuration. © 2014 American Physical Society.

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GOST Copy
Jara A. A. et al. Angular dependence of superconductivity in superconductor/spin-valve heterostructures // Physical Review B. 2014. Vol. 89. No. 18. 184502
GOST all authors (up to 50) Copy
Jara A. A., Safranski C., Krivorotov I. N., Wu C., Malmi Kakkada A. N., Malmi-Kakkada A. N., VALLS O. T., Halterman K. Angular dependence of superconductivity in superconductor/spin-valve heterostructures // Physical Review B. 2014. Vol. 89. No. 18. 184502
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevB.89.184502
UR - https://doi.org/10.1103/PhysRevB.89.184502
TI - Angular dependence of superconductivity in superconductor/spin-valve heterostructures
T2 - Physical Review B
AU - Jara, Alejandro A.
AU - Safranski, Christopher
AU - Krivorotov, Ilya N.
AU - Wu, Chien-Te
AU - Malmi Kakkada, Abdul N
AU - VALLS, ORIOL T.
AU - Halterman, Klaus
AU - Malmi-Kakkada, Abdul N.
PY - 2014
DA - 2014/05/08
PB - American Physical Society (APS)
IS - 18
VL - 89
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex
Cite this
BibTex Copy
@article{2014_Jara,
author = {Alejandro A. Jara and Christopher Safranski and Ilya N. Krivorotov and Chien-Te Wu and Abdul N Malmi Kakkada and ORIOL T. VALLS and Klaus Halterman and Abdul N. Malmi-Kakkada},
title = {Angular dependence of superconductivity in superconductor/spin-valve heterostructures},
journal = {Physical Review B},
year = {2014},
volume = {89},
publisher = {American Physical Society (APS)},
month = {may},
url = {https://doi.org/10.1103/PhysRevB.89.184502},
number = {18},
doi = {10.1103/PhysRevB.89.184502}
}
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