Abstract
The study of laser-induced ultrafast magnetization dynamics is crucial for the development of information recording technology. Due to the complex mechanism, there is still a lack of comprehensive understanding for ultrafast magnetization dynamics. As an essential stage of laser-induced ultrafast magnetization switching process, the transient ferromagnetic like state (TFLS), has attracted much attention. Different from other studies on TFLS through the difference of magnetization dynamics between rare-earth and transition-metal, our study mainly focuses on the influence of energy injection and relaxation on TFLS in the process of ultrafast magnetization dynamics. The influence of various parameters on the formation of energy exchange dependent TFLS is studied. The results of simulation well support our view. Understanding the mechanism behind the TFLS is of great significance to promote the application of laser-induced ultrafast magnetization switching.
| Original language | English |
|---|---|
| Article number | 103013 |
| Number of pages | 10 |
| Journal | New Journal of Physics |
| Volume | 24 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 13 Oct 2022 |
Bibliographical note
© 2022 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft.Funding Information:
Natural Science Foundation of Guangdong China (2020A1515010634).
Funding Information:
The authors would like to acknowledge the support of the Natural Science Foundation of Guangdong China.
Keywords
- optics
- ultrafast laser
- ultrafast magnetic recording