2015
DOI: 10.1088/0034-4885/78/10/104501
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Spin-polarized supercurrents for spintronics: a review of current progress

Abstract: During the past 15 years a new field has emerged, which combines superconductivity and spintronics, with the goal to pave a way for new types of devices for applications combining the virtues of both by offering the possibility of long-range spin-polarized supercurrents. Such supercurrents constitute a fruitful basis for the study of fundamental physics as they combine macroscopic quantum coherence with microscopic exchange interactions, spin selectivity, and spin transport. This report follows recent developm… Show more

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Cited by 555 publications
(524 citation statements)
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References 454 publications
(812 reference statements)
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“…Note that in our case the phase jump of π occurs at y 0 ≈ 0.8λ, while in the case of the Pearls vortex in the ultrathin film the corresponding distance is [47] 2w × 0.175 = 0.35w. Note that the finite electron transparency of the insulation barrier should result in a small correction to κ on the order of (λ/λ J ) 2 and does not qualitatively influence further results.…”
Section: A Modelmentioning
confidence: 94%
See 1 more Smart Citation
“…Note that in our case the phase jump of π occurs at y 0 ≈ 0.8λ, while in the case of the Pearls vortex in the ultrathin film the corresponding distance is [47] 2w × 0.175 = 0.35w. Note that the finite electron transparency of the insulation barrier should result in a small correction to κ on the order of (λ/λ J ) 2 and does not qualitatively influence further results.…”
Section: A Modelmentioning
confidence: 94%
“…Josephson junctions (JJs) with nonzero spontaneous phase difference between the superconducting electrodes in the ground state (the so-called π , ϕ 0 , and ϕ JJs) have become the subject of intensive theoretical and experimental study during the past decade [1,2]. The most striking feature of such junctions is their ability to generate a current in the superconducting circuit, thus acting as a phase battery [3][4][5][6].…”
Section: Introductionmentioning
confidence: 99%
“…3 shows the energy profile of the system in the regime when the thickness d s is close to its critical value calculated from Eqs. (2,4). It is seen that there are two local minima at the phases ϕ = 0 and ϕ = π, which correspond to the 0-and SPD-states.…”
mentioning
confidence: 93%
“…Intuitively, one might expect stronger superconducting correlations to give rise to a stronger Meissner response of the normal metal. The modelling of such systems via quasiclassical theory largely confirms this picture [2], except the observation that the magnetic susceptibility has a puzzling re-entrant behavior as a function of temperature [3][4][5].When superconductors are placed in contact with ferromagnets, triplet Cooper pairs emerge that carry a net spin [6][7][8][9]. Such pairs are additionally characterized by an odd-frequency symmetry [10] which influences several physical properties, such as the electronic density of states and electromagnetic response.…”
mentioning
confidence: 95%
“…When superconductors are placed in contact with ferromagnets, triplet Cooper pairs emerge that carry a net spin [6][7][8][9]. Such pairs are additionally characterized by an odd-frequency symmetry [10] which influences several physical properties, such as the electronic density of states and electromagnetic response.…”
mentioning
confidence: 99%