Journal of Physics Condensed Matter, volume 34, issue 22, pages 225801
Laser-induced THz magnetism of antiferromagnetic CoF2
Publication type: Journal Article
Publication date: 2022-03-30
Journal:
Journal of Physics Condensed Matter
Quartile SCImago
Q2
Quartile WOS
Q3
Impact factor: 2.7
ISSN: 09538984, 1361648X
Condensed Matter Physics
General Materials Science
Abstract
Excitation, detection, and control of coherent THz magnetic excitation in antiferromagnets are challenging problems that can be addressed using ever shorter laser pulses. We study experimentally excitation of magnetic dynamics at THz frequencies in an antiferromagnetic insulator CoF2 by sub-10 fs laser pulses. Time-resolved pump-probe polarimetric measurements at different temperatures and probe polarizations reveal laser-induced transient circular birefringence oscillating at the frequency of 7.45 THz and present below the Néel temperature. The THz oscillations of circular birefringence are ascribed to oscillations of the magnetic moments of Co2+ ions induced by the laser-driven coherent E g phonon mode via the THz analogue of the transverse piezomagnetic effect. It is also shown that the same pulse launches coherent oscillations of the magnetic linear birefringence at the frequency of 3.4 THz corresponding to the two-magnon mode. Analysis of the probe polarization dependence of the transient magnetic linear birefringence at the frequency of the two-magnon mode enables identifying its symmetry.
Citations by journals
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1
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Annals of Physics
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Annals of Physics
1 publication, 12.5%
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Applied Physics Letters
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Applied Physics Letters
1 publication, 12.5%
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Physical Review B
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Physical Review B
1 publication, 12.5%
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Journal Physics D: Applied Physics
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Journal Physics D: Applied Physics
1 publication, 12.5%
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Advanced Materials
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Advanced Materials
1 publication, 12.5%
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APL Materials
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APL Materials
1 publication, 12.5%
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Journal of Energy Storage
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Journal of Energy Storage
1 publication, 12.5%
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Physical Review X
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Physical Review X
1 publication, 12.5%
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1
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Citations by publishers
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1
2
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Elsevier
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Elsevier
2 publications, 25%
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American Institute of Physics (AIP)
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American Institute of Physics (AIP)
2 publications, 25%
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American Physical Society (APS)
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American Physical Society (APS)
2 publications, 25%
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IOP Publishing
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IOP Publishing
1 publication, 12.5%
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Wiley
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Wiley
1 publication, 12.5%
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1
2
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Formisano F. et al. Laser-induced THz magnetism of antiferromagnetic CoF2 // Journal of Physics Condensed Matter. 2022. Vol. 34. No. 22. p. 225801.
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Formisano F., Dubrovin R. M., Pisarev R. V., Kalashnikova A., Kimel A. V. Laser-induced THz magnetism of antiferromagnetic CoF2 // Journal of Physics Condensed Matter. 2022. Vol. 34. No. 22. p. 225801.
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TY - JOUR
DO - 10.1088/1361-648X/ac5c20
UR - https://doi.org/10.1088%2F1361-648X%2Fac5c20
TI - Laser-induced THz magnetism of antiferromagnetic CoF2
T2 - Journal of Physics Condensed Matter
AU - Formisano, F
AU - Dubrovin, R. M.
AU - Pisarev, Roman V.
AU - Kalashnikova, A.M.
AU - Kimel, A. V.
PY - 2022
DA - 2022/03/30 00:00:00
PB - IOP Publishing
SP - 225801
IS - 22
VL - 34
SN - 0953-8984
SN - 1361-648X
ER -
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@article{2022_Formisano,
author = {F Formisano and R. M. Dubrovin and Roman V. Pisarev and A.M. Kalashnikova and A. V. Kimel},
title = {Laser-induced THz magnetism of antiferromagnetic CoF2},
journal = {Journal of Physics Condensed Matter},
year = {2022},
volume = {34},
publisher = {IOP Publishing},
month = {mar},
url = {https://doi.org/10.1088%2F1361-648X%2Fac5c20},
number = {22},
pages = {225801},
doi = {10.1088/1361-648X/ac5c20}
}
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Formisano, F., et al. “Laser-induced THz magnetism of antiferromagnetic CoF2.” Journal of Physics Condensed Matter, vol. 34, no. 22, Mar. 2022, p. 225801. https://doi.org/10.1088%2F1361-648X%2Fac5c20.