Data for Magnetization dynamics in synthetic antiferromagnets with perpendicular magnetic anisotropy
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2020-07-25
2022-03-31
2022-03-31
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2023-06-26
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Title
Data for Magnetization dynamics in synthetic antiferromagnets with perpendicular magnetic anisotropy
Published Date
2023-11-09
Author Contact
Wang, Xiaojia
wang4940@umn.edu
wang4940@umn.edu
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Dataset
Abstract
This repository contains data along with associated output from instrumentation supporting all results reported in Huang, D.; Zhang, D.; Kim, Y; Wang, J.P.; and Wang X. Magnetization dynamics in synthetic antiferromagnets with perpendicular magnetic anisotropy. Phys. Rev. B., 2023, 107, 214438. The magnetization dynamics of the perpendicular synthetic antiferromagnets (p-SAFs) sample is detected by time-resolved magneto-optical Kerr effect (TR-MOKE), which is ultrafast-laser-based metrology utilizing a pump-probe configuration. In TR-MOKE, pump laser pulses interact with the sample, initiating magnetization dynamics in magnetic layers via inducing ultrafast thermal demagnetization. The laser-induced heating brings a rapid decrease to the magnetic anisotropy fields and interlayer exchange coupling (IEC), which changes equilibrium direction of magnetization in each layer and initiates the precession. The magnetization dynamics due to pump excitation is detected by a probe beam through MOKE. In our setup, the incident probe beam is normal to the sample surface (polar MOKE); therefore, the Kerr rotation angle (θ_K) of the reflected probe beam is proportional to the z component of the magnetization.
Description
The repository contains six .csv files for all raw experimental data for plots, following the order of figure numbers. Data in ‘TR-MOKE signals’ .csv are used to extract frequency, amplitude, phase, and damping shown in Figs. 2,4,5.
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https://doi.org/10.1103/PhysRevB.107.214438
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National Science Foundation (NSF, CBET-2226579)
ERI program (FRANC) “Advanced MTJs for computation in and near random access memory” by DARPA
ASCENT, one of six centers in JUMP (a Semiconductor Research Corporation program, sponsored by MARCO and DARPA)
UMN MRSEC Seed program (NSF, DMR-2011401)
UMN 2022–2023 Doctoral Dissertation Fellowship
ERI program (FRANC) “Advanced MTJs for computation in and near random access memory” by DARPA
ASCENT, one of six centers in JUMP (a Semiconductor Research Corporation program, sponsored by MARCO and DARPA)
UMN MRSEC Seed program (NSF, DMR-2011401)
UMN 2022–2023 Doctoral Dissertation Fellowship
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Huang, Dingbin; Zhang, Delin; Kim, Yun; Wang, Jian-Ping; Wang, Xiaojia. (2023). Data for Magnetization dynamics in synthetic antiferromagnets with perpendicular magnetic anisotropy. Retrieved from the Data Repository for the University of Minnesota (DRUM), https://doi.org/10.13020/p10g-gm98.
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| File View/Open | Description | Size |
|---|---|---|
| README_PRB_SAF_MRSEC.pdf | Description of data | 196.57 KB |
| PRB_SAF_data.zip | Raw experimental data for plots, following the order of figure numbers. Data in ‘TR-MOKE signals’ .csv are used to extract frequency, amplitude, phase, and damping shown in Figs. 2,4,5. | 72.52 KB |
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