mriselMagnetic Resonance in SolidsMagnetic Resonance in Solids2072-5981Kazan Federal University10.26907/mrsej-19503mrisel-80Research ArticleСтатьиUltrafast magnetization dynamics in thin films of L10-ordered FePt and FePd compounds: promising differencesPetrovA. V.

Kremlevskaya 18, Kazan 420008

PasynkovM. V.

Kremlevskaya 18, Kazan 420008

YusupovR. V.

Kremlevskaya 18, Kazan 420008

Roman.Yusupov@kpfu.ruNikitinS. I.

Kremlevskaya 18, Kazan 420008

GumarovA. I.

Kremlevskaya 18, Kazan 420008

YanilkinI. V.

Kremlevskaya 18, Kazan 420008

KiiamovA. G.

Kremlevskaya 18, Kazan 420008

TagirovL. R.

Kremlevskaya 18, Kazan 420008; Sibirsky Trakt 10/7, 420029 Kazan

Institute of Physics, Kazan Federal UniversityRussian FederationInstitute of Physics, Kazan Federal University; Zavoisky Physical-Technical Institute, FRC "Kazan Scientific Center of RAS"Russian Federation20192208201921519503 (8 pp.)Copyright © Petrov A.V., Pasynkov M.V., Yusupov R.V., Nikitin S.I., Gumarov A.I., Yanilkin I.V., Kiiamov A.G., Tagirov L.R., 20242024Petrov A.V., Pasynkov M.V., Yusupov R.V., Nikitin S.I., Gumarov A.I., Yanilkin I.V., Kiiamov A.G., Tagirov L.R.Petrov A.V., Pasynkov M.V., Yusupov R.V., Nikitin S.I., Gumarov A.I., Yanilkin I.V., Kiiamov A.G., Tagirov L.R.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.mrsej.ru/jour/article/view/80

In the paper we report on the synthesis, structural and magnetic characterization and time-resolved polar magnetooptical Kerr effect studies of thin epitaxial films of the ordered L10-phase of FePt and FePd compounds. Time scales of the photoinduced demagnetization and magnetization recovery are found. It is shown that demagnetization of FePt and FePd films occurs on different time scales, ∼0.2 ps and ∼3 ps, respectively. This difference makes these films promising for artificial multilayer ferrimagnets with high perpendicular anisotropy suitable for all-optical fast high-capacity information storage devices.

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The authors declare that there are no conflicts of interest present.