Physical Review Applied, volume 12, issue 4, publication number 044044
Optical Excitation of Propagating Magnetostatic Waves in an Epitaxial Galfenol Film by Ultrafast Magnetic Anisotropy Change
Khokhlov N.E.
1
,
Gerevenkov P.I.
1
,
Gerevenkov P I
1
,
Shelukhin L. A.
1
,
Shelukhin L A
1
,
Azovtsev A.V.
1
,
Pertsev N. A.
1
,
Pertsev N. N.
1
,
Wang M.
2
,
Wang M
2
,
Rushforth A.W.
2
,
Rushforth A W
2
,
Scherbakov A.V.
1, 3
,
Scherbakov A V
1, 3
,
Publication type: Journal Article
Publication date: 2019-10-18
Journal:
Physical Review Applied
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 4.6
ISSN: 23317019
General Physics and Astronomy
Abstract
Using a time-resolved optically-pumped scanning optical microscopy technique we demonstrate the laser-driven excitation and propagation of spin waves in a 20-nm film of a ferromagnetic metallic alloy Galfenol epitaxially grown on a GaAs substrate. In contrast to previous all-optical studies of spin waves we employ laser-induced thermal changes of magnetocrystalline anisotropy as an excitation mechanism. A tightly focused 70-fs laser pulse excites packets of magnetostatic surface waves with a $e^{-1}$ propagation length of 3.4 $\mu$m, which is comparable with that of permalloy. As a result, laser-driven magnetostatic spin waves are clearly detectable at distances up to 10 $\mu$m, which promotes epitaxial Galfenol films to the limited family of materials suitable for magnonic devices. A pronounced in-plane magnetocrystalline anisotropy of the Galfenol film offers an additional degree of freedom for manipulating the spin waves' parameters. Reorientation of an in-plane external magnetic field relative to the crystallographic axes of the sample tunes the frequency, amplitude and propagation length of the excited waves.
Citations by journals
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Physical Review Applied
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2 publications, 10.53%
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1 publication, 5.26%
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1 publication, 5.26%
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Nature Communications
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1 publication, 5.26%
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1 publication, 5.26%
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1 publication, 5.26%
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1 publication, 5.26%
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1 publication, 5.26%
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1 publication, 5.26%
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1 publication, 5.26%
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1
2
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Citations by publishers
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1
2
3
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5
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American Physical Society (APS)
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American Physical Society (APS)
5 publications, 26.32%
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American Institute of Physics (AIP)
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2 publications, 10.53%
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Elsevier
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Elsevier
2 publications, 10.53%
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IOP Publishing
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IOP Publishing
2 publications, 10.53%
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Springer Nature
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Springer Nature
2 publications, 10.53%
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Pleiades Publishing
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Pleiades Publishing
2 publications, 10.53%
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Walter de Gruyter
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Walter de Gruyter
1 publication, 5.26%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 5.26%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 5.26%
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American Chemical Society (ACS)
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American Chemical Society (ACS)
1 publication, 5.26%
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1
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5
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Khokhlov N. et al. Optical Excitation of Propagating Magnetostatic Waves in an Epitaxial Galfenol Film by Ultrafast Magnetic Anisotropy Change // Physical Review Applied. 2019. Vol. 12. No. 4. 044044
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Khokhlov N., Gerevenkov P. I., Gerevenkov P., Shelukhin L. A., Shelukhin L. A., Azovtsev A., Pertsev N. A., Pertsev N. N., Wang M., Wang M., Rushforth A. W., Rushforth A., Scherbakov A. V., Scherbakov A., Kalashnikova A. M. Optical Excitation of Propagating Magnetostatic Waves in an Epitaxial Galfenol Film by Ultrafast Magnetic Anisotropy Change // Physical Review Applied. 2019. Vol. 12. No. 4. 044044
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TY - JOUR
DO - 10.1103/PhysRevApplied.12.044044
UR - https://doi.org/10.1103%2FPhysRevApplied.12.044044
TI - Optical Excitation of Propagating Magnetostatic Waves in an Epitaxial Galfenol Film by Ultrafast Magnetic Anisotropy Change
T2 - Physical Review Applied
AU - Khokhlov, N.E.
AU - Gerevenkov, P I
AU - Shelukhin, L A
AU - Azovtsev, A.V.
AU - Wang, M
AU - Rushforth, A W
AU - Scherbakov, A V
AU - Kalashnikova, A M
AU - Pertsev, N. A.
AU - Gerevenkov, P.I.
AU - Shelukhin, L. A.
AU - Pertsev, N. N.
AU - Wang, M.
AU - Rushforth, A.W.
AU - Scherbakov, A.V.
PY - 2019
DA - 2019/10/18 00:00:00
PB - American Physical Society (APS)
IS - 4
VL - 12
SN - 2331-7019
ER -
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@article{2019_Khokhlov,
author = {N.E. Khokhlov and P I Gerevenkov and L A Shelukhin and A.V. Azovtsev and M Wang and A W Rushforth and A V Scherbakov and A M Kalashnikova and N. A. Pertsev and P.I. Gerevenkov and L. A. Shelukhin and N. N. Pertsev and M. Wang and A.W. Rushforth and A.V. Scherbakov},
title = {Optical Excitation of Propagating Magnetostatic Waves in an Epitaxial Galfenol Film by Ultrafast Magnetic Anisotropy Change},
journal = {Physical Review Applied},
year = {2019},
volume = {12},
publisher = {American Physical Society (APS)},
month = {oct},
url = {https://doi.org/10.1103%2FPhysRevApplied.12.044044},
number = {4},
doi = {10.1103/PhysRevApplied.12.044044}
}