Optical Excitation of Single- and Multimode Magnetization Precession in Fe - Ga Nanolayers
A.V. Scherbakov
1, 2
,
A.P. Danilov
1
,
F. Godejohann
1
,
T.L. Linnik
3
,
B.A. Glavin
3
,
L. A. Shelukhin
2
,
D.P. Pattnaik
4
,
M. Wang
4
,
A.W. Rushforth
4
,
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: 2019-03-22
scimago Q1
wos Q2
SJR: 1.288
CiteScore: 7.2
Impact factor: 4.4
ISSN: 23317019
General Physics and Astronomy
Abstract
We demonstrate a variety of precessional responses of the magnetization to ultrafast optical excitation in nanolayers of Galfenol (Fe,Ga), which is a ferromagnetic material with large saturation magnetization and enhanced magnetostriction. The particular properties of Galfenol, including cubic magnetic anisotropy and weak damping, allow us to detect up to 6 magnon modes in a 120-nm layer, and a single mode with effective damping ${\alpha}_{eff}$ = 0.005 and frequency up to 100 GHz in a 4-nm layer. This is the highest frequency observed to date in time-resolved experiments with metallic ferromagnets. We predict that detection of magnetization precession approaching THz frequencies should be possible with Galfenol nanolayers.
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Total citations:
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Citations from 2024:
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(13%)
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Scherbakov A. et al. Optical Excitation of Single- and Multimode Magnetization Precession in Fe - Ga Nanolayers // Physical Review Applied. 2019. Vol. 11. No. 3. 031003
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Scherbakov A., Danilov A., Godejohann F., Linnik T., Glavin B., Shelukhin L. A., Pattnaik D., Wang M., Rushforth A., Yakovlev D. G., Akimov A. V., Bayer M. Optical Excitation of Single- and Multimode Magnetization Precession in Fe - Ga Nanolayers // Physical Review Applied. 2019. Vol. 11. No. 3. 031003
Cite this
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TY - JOUR
DO - 10.1103/PhysRevApplied.11.031003
UR - https://doi.org/10.1103/PhysRevApplied.11.031003
TI - Optical Excitation of Single- and Multimode Magnetization Precession in Fe - Ga Nanolayers
T2 - Physical Review Applied
AU - Scherbakov, A.V.
AU - Danilov, A.P.
AU - Godejohann, F.
AU - Linnik, T.L.
AU - Glavin, B.A.
AU - Shelukhin, L. A.
AU - Pattnaik, D.P.
AU - Wang, M.
AU - Rushforth, A.W.
AU - Yakovlev, D G
AU - Akimov, Alexander V.
AU - Bayer, M.
PY - 2019
DA - 2019/03/22
PB - American Physical Society (APS)
IS - 3
VL - 11
SN - 2331-7019
ER -
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BibTex (up to 50 authors)
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@article{2019_Scherbakov,
author = {A.V. Scherbakov and A.P. Danilov and F. Godejohann and T.L. Linnik and B.A. Glavin and L. A. Shelukhin and D.P. Pattnaik and M. Wang and A.W. Rushforth and D G Yakovlev and Alexander V. Akimov and M. Bayer},
title = {Optical Excitation of Single- and Multimode Magnetization Precession in Fe - Ga Nanolayers},
journal = {Physical Review Applied},
year = {2019},
volume = {11},
publisher = {American Physical Society (APS)},
month = {mar},
url = {https://doi.org/10.1103/PhysRevApplied.11.031003},
number = {3},
pages = {031003},
doi = {10.1103/PhysRevApplied.11.031003}
}