Physical Review B, volume 102, issue 2, publication number 020405

Superconductivity-induced change in magnetic anisotropy in epitaxial ferromagnet-superconductor hybrids with spin-orbit interaction

César González-Ruano 1
Diego Caso 1
Coriolan Tiusan 3, 4
C.V. Tiusan 3, 4
Michel Hehn 4
Niladri Banerjee 5
Jacob Linder 2
Publication typeJournal Article
Publication date2020-07-15
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Abstract
The interaction between superconductivity and ferromagnetism in thin film superconductor/ferromagnet heterostructures is usually reflected by a change in superconductivity of the S layer set by the magnetic state of the F layers. Here we report the converse effect: transformation of the magnetocrystalline anisotropy of a single Fe(001) layer, and thus its preferred magnetization orientation, driven by the superconductivity of an underlying V layer through a spin-orbit coupled MgO interface. We attribute this to an additional contribution to the free energy of the ferromagnet arising from the controlled generation of triplet Cooper pairs, which depends on the relative angle between the exchange field of the ferromagnet and the spin-orbit field. This is fundamentally different from the commonly observed magnetic domain modification by Meissner screening or domain wall-vortex interaction and offers the ability to fundamentally tune magnetic anisotropies using superconductivity - a key step in designing future cryogenic magnetic memories.

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González-Ruano C. et al. Superconductivity-induced change in magnetic anisotropy in epitaxial ferromagnet-superconductor hybrids with spin-orbit interaction // Physical Review B. 2020. Vol. 102. No. 2. 020405
GOST all authors (up to 50) Copy
González-Ruano C., Johnsen L. G., Caso D., Tiusan C., Tiusan C., Hehn M., Banerjee N., Linder J., Aliev F. Superconductivity-induced change in magnetic anisotropy in epitaxial ferromagnet-superconductor hybrids with spin-orbit interaction // Physical Review B. 2020. Vol. 102. No. 2. 020405
RIS |
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevB.102.020405
UR - https://doi.org/10.1103/PhysRevB.102.020405
TI - Superconductivity-induced change in magnetic anisotropy in epitaxial ferromagnet-superconductor hybrids with spin-orbit interaction
T2 - Physical Review B
AU - González-Ruano, César
AU - Johnsen, Lina G.
AU - Caso, Diego
AU - Tiusan, Coriolan
AU - Hehn, Michel
AU - Banerjee, Niladri
AU - Linder, Jacob
AU - Aliev, F.G.
AU - Tiusan, C.V.
PY - 2020
DA - 2020/07/15
PB - American Physical Society (APS)
IS - 2
VL - 102
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex
Cite this
BibTex Copy
@article{2020_González-Ruano,
author = {César González-Ruano and Lina G. Johnsen and Diego Caso and Coriolan Tiusan and Michel Hehn and Niladri Banerjee and Jacob Linder and F.G. Aliev and C.V. Tiusan},
title = {Superconductivity-induced change in magnetic anisotropy in epitaxial ferromagnet-superconductor hybrids with spin-orbit interaction},
journal = {Physical Review B},
year = {2020},
volume = {102},
publisher = {American Physical Society (APS)},
month = {jul},
url = {https://doi.org/10.1103/PhysRevB.102.020405},
number = {2},
doi = {10.1103/PhysRevB.102.020405}
}
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