Physical Review Applied, volume 14, issue 3, publication number 034061
Laser-Induced Magnetization Precession in Individual Magnetoelastic Domains of a Multiferroic Co40Fe40B20/BaTiO3 Composite
Shelukhin L. A.
1
,
Scherbakov A.V.
1, 2
,
Kazenwadel D.L.
3
,
Kirilenko D.A.
1
,
Hämäläinen S.J.
4
,
van Dijken S.
4
,
2
Experimental Physics II, Technical University Dortmund, Dortmund D-44227, Germany
|
3
University of Konstanz, Konstanz D-78457, Germany
|
Publication type: Journal Article
Publication date: 2020-09-23
Journal:
Physical Review Applied
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor: 4.6
ISSN: 23317019
General Physics and Astronomy
Abstract
Using a magneto-optical pump-probe technique with micrometer spatial resolution we show that magnetization precession can be launched in individual magnetic domains imprinted in a Co$_{40}$Fe$_{40}$B$_{20}$ (CoFeB) layer by elastic coupling to ferroelectric domains in a BaTiO$_{3}$ substrate. The dependence of the precession parameters on external magnetic field strength and orientation reveal that by laser-induced ultrafast partial quenching of the magnetoelastic coupling parameter of CoFeB by $\approx$27% along with 10% ultrafast demagnetization trigger the magnetization precession. The relation between the laser-induced reduction of the magnetoelastic coupling and the demagnetization is approximated by the $n(n+1)/2$-law with n$\approx$2. This correspondence confirms the thermal origin of the laser-induced anisotropy change. Based on the analysis and modeling of the excited precession we find signatures of laser-induced precessional switching, which occurs when the magnetic field is applied along the hard magnetization axis and its value is close to the effective magnetoelastic anisotropy field. The precession excitation process in an individual magnetoelastic domain is found to be unaffected by neighboring domains. This makes laser-induced changes of magnetoelastic anisotropy a promising tool for driving magnetization dynamics and switching in composite multiferroics with spatial selectivity.
Citations by journals
1
2
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Physical Review Applied
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Physical Review Applied
2 publications, 28.57%
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Physical Review Materials
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Physical Review Materials
1 publication, 14.29%
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Nanoscale
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Nanoscale
1 publication, 14.29%
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Applied Physics Letters
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Applied Physics Letters
1 publication, 14.29%
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Physical Review B
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Physical Review B
1 publication, 14.29%
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Technical Physics
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Technical Physics
1 publication, 14.29%
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1
2
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Citations by publishers
1
2
3
4
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American Physical Society (APS)
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American Physical Society (APS)
4 publications, 57.14%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 14.29%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
1 publication, 14.29%
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Pleiades Publishing
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Pleiades Publishing
1 publication, 14.29%
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1
2
3
4
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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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Shelukhin L. A. et al. Laser-Induced Magnetization Precession in Individual Magnetoelastic Domains of a Multiferroic Co40Fe40B20/BaTiO3 Composite // Physical Review Applied. 2020. Vol. 14. No. 3. 034061
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Shelukhin L. A., Pertsev N. A., Scherbakov A., Kazenwadel D., Kirilenko D., Hämäläinen S., van Dijken S., Kalashnikova A. Laser-Induced Magnetization Precession in Individual Magnetoelastic Domains of a Multiferroic Co40Fe40B20/BaTiO3 Composite // Physical Review Applied. 2020. Vol. 14. No. 3. 034061
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TY - JOUR
DO - 10.1103/PhysRevApplied.14.034061
UR - https://doi.org/10.1103%2FPhysRevApplied.14.034061
TI - Laser-Induced Magnetization Precession in Individual Magnetoelastic Domains of a Multiferroic Co40Fe40B20/BaTiO3 Composite
T2 - Physical Review Applied
AU - Shelukhin, L. A.
AU - Pertsev, Nikolay A.
AU - Scherbakov, A.V.
AU - Kazenwadel, D.L.
AU - Kirilenko, D.A.
AU - Hämäläinen, S.J.
AU - van Dijken, S.
AU - Kalashnikova, A.M.
PY - 2020
DA - 2020/09/23 00:00:00
PB - American Physical Society (APS)
IS - 3
VL - 14
SN - 2331-7019
ER -
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@article{2020_Shelukhin
author = {L. A. Shelukhin and Nikolay A. Pertsev and A.V. Scherbakov and D.L. Kazenwadel and D.A. Kirilenko and S.J. Hämäläinen and S. van Dijken and A.M. Kalashnikova},
title = {Laser-Induced Magnetization Precession in Individual Magnetoelastic Domains of a Multiferroic Co40Fe40B20/BaTiO3 Composite},
journal = {Physical Review Applied},
year = {2020},
volume = {14},
publisher = {American Physical Society (APS)},
month = {sep},
url = {https://doi.org/10.1103%2FPhysRevApplied.14.034061},
number = {3},
doi = {10.1103/PhysRevApplied.14.034061}
}