Results 41 to 50 of about 92,951 (162)

Laser-induced terahertz spin transport in magnetic nanostructures arises from the same force as ultrafast demagnetization

open access: yes, 2022
<p><span>Data for the publication "Laser-induced terahertz spin transport in magnetic nanostructures arises from the same force as ultrafast demagnetization" published in PhysRevB (2022).
Rouzegar, Reza
core   +1 more source

Terahertz Spectral Signatures of Ultrafast Spin Transports in Ferromagnetic Heusler Alloy

open access: yesAdvanced Physics Research, 2023
Although the Co‐based Heusler compounds are predicted to be half‐metals, their sub‐picosecond demagnetization dynamics upon laser excitation show a transition‐metal‐like behavior.
Zuanming Jin   +14 more
doaj   +1 more source

Ultrafast Electron Dynamics in Magnetic Thin Films

open access: yesApplied Sciences, 2021
In past decades, ultrafast spin dynamics in magnetic systems have been associated with heat deposition from high energy laser pulses, limiting the selective access to spin order.
Hovan Lee   +3 more
doaj   +1 more source

Spin Berry points as crucial for ultrafast demagnetization [PDF]

open access: yesModern Physics Letters B, 2021
Laser-induced ultrafast demagnetization has puzzled researchers around the world for over two decades. Intrinsic complexity in electronic, magnetic and phononic subsystems is difficult to understand microscopically. So far, it is not possible to explain demagnetization using a single mechanism, which suggests a crucial piece of information still ...
Zhang, G. P.   +2 more
openaire   +2 more sources

Capturing ultrafast magnetization phenomenon using femtosecond x rays

open access: yesAPL Materials, 2021
Recent advances in x-ray and extreme ultraviolet sources have enabled a new frontier for ultrafast studies of magnetic materials. Modern x-ray free electron lasers and high-harmonic generation sources combine the power of x-ray techniques available at ...
Spencer Jeppson, Roopali Kukreja
doaj   +1 more source

Ultrafast dynamics of 4f electron spins in TbFeCo film driven by inter-atomic 3d–5d–4f exchange coupling

open access: yesNew Journal of Physics, 2019
The ultrafast demagnetization dynamics of 3d and 4f spins, respectively, in FeCo and Tb of TbFeCo alloy film are studied independently by employing a dual-color time-resolved magneto-optical Kerr spectroscopy.
Zhifeng Chen   +3 more
doaj   +1 more source

Robust Magnetic Order Upon Ultrafast Excitation of an Antiferromagnet

open access: yesAdvanced Materials Interfaces, 2022
The ultrafast manipulation of magnetic order due to optical excitation is governed by the intricate flow of energy and momentum between the electron, lattice, and spin subsystems.
Sang‐Eun Lee   +10 more
doaj   +1 more source

Twisted light affects ultrafast demagnetization

open access: yes, 2022
Irradiation with an ultrashort laser pulse can completely destroy the magnetic order of ferromagnetic thin films on the femtosecond timescale. This phenomenon holds great potential for ultrafast spintronics and information processing and is an active field of research.
Prinz, Eva   +2 more
openaire   +2 more sources

Laser-Induced Forces on Atoms During Ultrafast Demagnetization

open access: yesJournal of Magnetism and Magnetic Materials, 2022
Laser-induced femtosecond demagnetization has attracted a broad    attention as a possible candidate for information storage    technology. However, whether or not lattice vibration directly    participates demagnetization has been highly controversial over a    decade.
G.P. Zhang, Y.H. Bai
openaire   +2 more sources

Ultrafast demagnetization and Gilbert damping in electrodeposited CoP film

open access: yesJournal of Materials Science, 2023
From portable electronics to high-performance computing, the requirement for miniaturized and high-efficiency power supply is ever-increasing. Soft magnetic material with higher resistivity and moderate anisotropy field can be considered as a promising candidate as core materials for high-frequency integrated magnetic passives leading to such on-chip ...
Soma Dutta   +4 more
openaire   +2 more sources

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