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**Harvard**

Constantinian, K., Ovsyannikov, G., Sheyerman, A., Kislinskii, Y., Shadrin, A., Kalaboukhov, A., Mustafa, L., Khaydukov, Y. och Winkler, D. (2016) *Spin-Triplet Superconducting Current in Metal-Oxide Heterostructures With Composite Ferromagnetic Interlayer*.

** BibTeX **

@article{

Constantinian2016,

author={Constantinian, K. and Ovsyannikov, G. and Sheyerman, A. and Kislinskii, Y. and Shadrin, A. and Kalaboukhov, Alexei and Mustafa, L. and Khaydukov, Y. and Winkler, Dag},

title={Spin-Triplet Superconducting Current in Metal-Oxide Heterostructures With Composite Ferromagnetic Interlayer},

journal={Ieee Transactions on Applied Superconductivity},

issn={1051-8223},

volume={26},

issue={3},

abstract={Superconducting heterostructures fabricated from oxide superconductor YBa2Cu2O7-delta and a composite ferromagnet La0.7Sr0.3MnO3/SrRuO3 interlayer and Au/Nb counter electrode were studied experimentally. Superconducting current was observed at magnetic field H raised up to 2000 Oe, which is greater than saturation magnetic field of manganite La0.7Sr0.3MnO3 (of order 100 Oe) and greater by a few orders than the value of magnetic field corresponding to penetration of one magnetic flux quantum. Microwave measurements of integer and half-integer Shapiro steps in conditions when relatively low external magnetic fieldH < 30 Oe was applied showed that the second harmonic in the current-phase relation of superconducting current becomes as big as the first harmonic. Fourier analysis of I-C(H) dependence allows extracting the components of fractional periods in I-C(H) function that also confirms a deviation from the sinusoidal current-phase relation. The obtained experimental data are explained by theoretical models that predict a huge enhancement of the second harmonic of the spin-triplet component in the superconducting current. The current-phase relation could be controlled by an external magnetic field, changing the directions of magnetization in the composite bilayer ferromagnet, which is inserted between two spin-singlet superconductors.},

year={2016},

keywords={Composite ferromagnet, current-phase relations, long-range proximity effect, spin-triplet pairing, superconducting heterostructure},

}

** RefWorks **

RT Journal Article

SR Electronic

ID 235060

A1 Constantinian, K.

A1 Ovsyannikov, G.

A1 Sheyerman, A.

A1 Kislinskii, Y.

A1 Shadrin, A.

A1 Kalaboukhov, Alexei

A1 Mustafa, L.

A1 Khaydukov, Y.

A1 Winkler, Dag

T1 Spin-Triplet Superconducting Current in Metal-Oxide Heterostructures With Composite Ferromagnetic Interlayer

YR 2016

JF Ieee Transactions on Applied Superconductivity

SN 1051-8223

VO 26

IS 3

AB Superconducting heterostructures fabricated from oxide superconductor YBa2Cu2O7-delta and a composite ferromagnet La0.7Sr0.3MnO3/SrRuO3 interlayer and Au/Nb counter electrode were studied experimentally. Superconducting current was observed at magnetic field H raised up to 2000 Oe, which is greater than saturation magnetic field of manganite La0.7Sr0.3MnO3 (of order 100 Oe) and greater by a few orders than the value of magnetic field corresponding to penetration of one magnetic flux quantum. Microwave measurements of integer and half-integer Shapiro steps in conditions when relatively low external magnetic fieldH < 30 Oe was applied showed that the second harmonic in the current-phase relation of superconducting current becomes as big as the first harmonic. Fourier analysis of I-C(H) dependence allows extracting the components of fractional periods in I-C(H) function that also confirms a deviation from the sinusoidal current-phase relation. The obtained experimental data are explained by theoretical models that predict a huge enhancement of the second harmonic of the spin-triplet component in the superconducting current. The current-phase relation could be controlled by an external magnetic field, changing the directions of magnetization in the composite bilayer ferromagnet, which is inserted between two spin-singlet superconductors.

LA eng

DO 10.1109/tasc.2016.2522300

LK http://dx.doi.org/10.1109/tasc.2016.2522300

OL 30