Optically excited spin pumping mediating collective magnetization dynamics in a spin valve structure
A.P. Danilov
1
,
A V Scherbakov
1, 2
,
A.V. Scherbakov
1, 2
,
B.A. Glavin
3
,
T. L. Linnik
3
,
T.L. Linnik
3
,
A M Kalashnikova
2
,
L A Shelukhin
2
,
L. A. Shelukhin
2
,
D.P. Pattnaik
4
,
A W Rushforth
4
,
A.W. Rushforth
4
,
C. J. Love
5
,
S. A. Cavill
5, 6
,
Stuart A. Cavill
5, 6
,
D. R. YAKOVLEV
1, 2
,
D G Yakovlev
1, 2
,
M. Bayer
1, 2
3
Department of Theoretical Physics, V. E. Lashkaryov Institute of Semiconductor Physics, 03028 Kyiv, Ukraine
|
Publication type: Journal Article
Publication date: 2018-08-13
scimago Q1
wos Q2
SJR: 1.303
CiteScore: 6.2
Impact factor: 3.7
ISSN: 24699950, 24699969, 10980121, 1550235X
Abstract
We demonstrate spin pumping, i.e. the generation of a pure spin current by precessing magnetization, without application of microwave radiation commonly used in spin pumping experiments. We use femtosecond laser pulses to simultaneously launch the magnetization precession in each of two ferromagnetic layers of a Galfenol-based spin valve and monitor the temporal evolution of the magnetizations. The spin currents generated by the precession cause a dynamic coupling of the two layers. This coupling has dissipative character and is especially efficient when the precession frequencies in the two layers are in resonance, where coupled modes with strongly different decay rates are formed.
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Total citations:
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Citations from 2024:
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(6%)
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Danilov A. et al. Optically excited spin pumping mediating collective magnetization dynamics in a spin valve structure // Physical Review B. 2018. Vol. 98. No. 6. 060406
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Danilov A., Scherbakov A. V., Scherbakov A., Glavin B., Linnik T. L., Linnik T., Kalashnikova A. M., Shelukhin L. A., Shelukhin L. A., Pattnaik D., Rushforth A. W., Rushforth A., Love C. J., Cavill S. A., Cavill S. A., YAKOVLEV D. R., Yakovlev D. G., Bayer M. Optically excited spin pumping mediating collective magnetization dynamics in a spin valve structure // Physical Review B. 2018. Vol. 98. No. 6. 060406
Cite this
RIS
Copy
TY - JOUR
DO - 10.1103/PhysRevB.98.060406
UR - https://doi.org/10.1103/PhysRevB.98.060406
TI - Optically excited spin pumping mediating collective magnetization dynamics in a spin valve structure
T2 - Physical Review B
AU - Danilov, A.P.
AU - Scherbakov, A V
AU - Scherbakov, A.V.
AU - Glavin, B.A.
AU - Linnik, T. L.
AU - Linnik, T.L.
AU - Kalashnikova, A M
AU - Shelukhin, L A
AU - Shelukhin, L. A.
AU - Pattnaik, D.P.
AU - Rushforth, A W
AU - Rushforth, A.W.
AU - Love, C. J.
AU - Cavill, S. A.
AU - Cavill, Stuart A.
AU - YAKOVLEV, D. R.
AU - Yakovlev, D G
AU - Bayer, M.
PY - 2018
DA - 2018/08/13
PB - American Physical Society (APS)
IS - 6
VL - 98
SN - 2469-9950
SN - 2469-9969
SN - 1098-0121
SN - 1550-235X
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2018_Danilov,
author = {A.P. Danilov and A V Scherbakov and A.V. Scherbakov and B.A. Glavin and T. L. Linnik and T.L. Linnik and A M Kalashnikova and L A Shelukhin and L. A. Shelukhin and D.P. Pattnaik and A W Rushforth and A.W. Rushforth and C. J. Love and S. A. Cavill and Stuart A. Cavill and D. R. YAKOVLEV and D G Yakovlev and M. Bayer},
title = {Optically excited spin pumping mediating collective magnetization dynamics in a spin valve structure},
journal = {Physical Review B},
year = {2018},
volume = {98},
publisher = {American Physical Society (APS)},
month = {aug},
url = {https://doi.org/10.1103/PhysRevB.98.060406},
number = {6},
pages = {060406},
doi = {10.1103/PhysRevB.98.060406}
}