Physical Review B, volume 100, issue 5, publication number 054506

Electrical control of magnetization in superconductor/ferromagnet/superconductor junctions on a three-dimensional topological insulator

Nashaat M. 1, 2
Bobkova I. V. 3, 4
Shukrinov Yu M 1, 5
Shukrinov Yu. M. 1, 5
Rahmonov I.R. 1, 6
Rahmonov Ilhom 1, 6
Sengupta K. 7
Sengupta K 7
Publication typeJournal Article
Publication date2019-08-06
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor3.7
ISSN24699950, 24699969, 10980121, 1550235X
Abstract
Strong dependence of the Josephson energy on the magnetization orientation in Josephson junctions with ferromagnetic interlayers and spin-orbit coupling opens a way to control magnetization by Josephson current or Josephson phase. Here we investigate the perspectives of magnetization control in superconductor/ferromagnet/superconductor (S/F/S) Josephson junctions on the surface of a 3D topological insulator hosting Dirac quasiparticles. Due to the spin-momentum locking of these Dirac quasiparticles a strong dependence of the Josephson current-phase relation on the magnetization orientation is realized. It is demonstrated that this can lead to splitting of the ferromagnet's easy-axis in the voltage driven regime. We show that such a splitting can lead to stabilization of an unconventional four-fold degenerate ferromagnetic state.

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Nashaat M. et al. Electrical control of magnetization in superconductor/ferromagnet/superconductor junctions on a three-dimensional topological insulator // Physical Review B. 2019. Vol. 100. No. 5. 054506
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Nashaat M., Bobkova I., Bobkov A., Shukrinov Yu. M., Shukrinov Y. M., Rahmonov I., Rahmonov I., Sengupta K., Sengupta K. Electrical control of magnetization in superconductor/ferromagnet/superconductor junctions on a three-dimensional topological insulator // Physical Review B. 2019. Vol. 100. No. 5. 054506
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RIS Copy
TY - JOUR
DO - 10.1103/PhysRevB.100.054506
UR - https://doi.org/10.1103%2FPhysRevB.100.054506
TI - Electrical control of magnetization in superconductor/ferromagnet/superconductor junctions on a three-dimensional topological insulator
T2 - Physical Review B
AU - Nashaat, M.
AU - Bobkova, I. V.
AU - Bobkov, A. M.
AU - Shukrinov, Yu M
AU - Rahmonov, I.R.
AU - Sengupta, K.
AU - Shukrinov, Yu. M.
AU - Rahmonov, Ilhom
AU - Sengupta, K
PY - 2019
DA - 2019/08/06 00:00:00
PB - American Physical Society (APS)
IS - 5
VL - 100
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
BibTex
Cite this
BibTex Copy
@article{2019_Nashaat
author = {M. Nashaat and I. V. Bobkova and A. M. Bobkov and Yu M Shukrinov and I.R. Rahmonov and K. Sengupta and Yu. M. Shukrinov and Ilhom Rahmonov and K Sengupta},
title = {Electrical control of magnetization in superconductor/ferromagnet/superconductor junctions on a three-dimensional topological insulator},
journal = {Physical Review B},
year = {2019},
volume = {100},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103%2FPhysRevB.100.054506},
number = {5},
doi = {10.1103/PhysRevB.100.054506}
}
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