Pleiades Publishing
JETP Letters
,  том 118 ,  издание 2 ,  страницы 117-122

Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase

Тип публикации: Journal Article
Дата публикации: 2023-07-01
Pleiades Publishing
scimago Q3
wos Q3
БС1
SJR: 0.312
CiteScore: 2.3
Impact factor: 1.3
ISSN: 00213640, 10906487
Physics and Astronomy (miscellaneous)
Краткое описание

The time-resolved magneto-optical Kerr effect in epitaxial thin films of the FePt compound and the FePt0.84Rh0.16 solid solution with the perpendicular magnetic anisotropy on MgO (001) substrates has been studied. The evolution of hysteresis loops at short (100 fs–1 ns) and long (1–20 ms) time scales after the excitation by a femtosecond light pulse has been studied. Long-lived nonthermal reduction of the coercive field has been detected. The coercive field is recovered in several milliseconds. It has been proposed to explain the observed phenomenon by the excitation of high-Q-factor acoustic resonances in the substrate/film system and to the strong magnetoelastic interaction in FePt and FePt0.84Rh0.16 films.

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Petrov A. V. et al. Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase // JETP Letters. 2023. Vol. 118. No. 2. pp. 117-122.
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Petrov A. V., Nikitin S. I., Tagirov L., Kamzin A. S., Yusupov R. V. Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase // JETP Letters. 2023. Vol. 118. No. 2. pp. 117-122.
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TY - JOUR
DO - 10.1134/s0021364023601914
UR - https://doi.org/10.1134/s0021364023601914
TI - Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase
T2 - JETP Letters
AU - Petrov, A. V.
AU - Nikitin, S. I.
AU - Tagirov, L.R.
AU - Kamzin, Aleksandr S.
AU - Yusupov, Roman V.
PY - 2023
DA - 2023/07/01
PB - Pleiades Publishing
SP - 117-122
IS - 2
VL - 118
SN - 0021-3640
SN - 1090-6487
ER -
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@article{2023_Petrov,
author = {A. V. Petrov and S. I. Nikitin and L.R. Tagirov and Aleksandr S. Kamzin and Roman V. Yusupov},
title = {Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase},
journal = {JETP Letters},
year = {2023},
volume = {118},
publisher = {Pleiades Publishing},
month = {jul},
url = {https://doi.org/10.1134/s0021364023601914},
number = {2},
pages = {117--122},
doi = {10.1134/s0021364023601914}
}
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Petrov, A. V., et al. “Photoinduced Nonthermal Reduction of the Coercive Field in FePt and FePt0.84Rh0.16 Epitaxial Thin Films in the L10 Phase.” JETP Letters, vol. 118, no. 2, Jul. 2023, pp. 117-122. https://doi.org/10.1134/s0021364023601914.