New concept for magnetization switching by ultrafast acoustic pulses

O Kovalenko, T Pezeril, VV Temnov - Physical review letters, 2013 - APS
It is shown theoretically that a single acoustic pulse, a few picoseconds long, can reverse
magnetization in a magnetostrictive material Terfenol-D. Following giant magnetoelastic …

Magnetization precession induced by picosecond acoustic pulses in a freestanding film acting as an acoustic cavity

JW Kim, JY Bigot - Physical Review B, 2017 - APS
We report the magnetization dynamics excited by picosecond acoustic pulses confined in
the acoustic cavity of freestanding nickel films. By detecting both sides of the sample we …

Femtosecond spectrotemporal magneto-optics

JY Bigot, L Guidoni, E Beaurepaire, PN Saeta - Physical review letters, 2004 - APS
A new method to measure and analyze the time and spectrally resolved polarimetric
response of magnetic materials is presented. It allows us to study the ultrafast magnetization …

Picosecond inverse magnetostriction in galfenol thin films

JV Jäger, AV Scherbakov, TL Linnik… - Applied Physics …, 2013 - pubs.aip.org
Coherent high-amplitude precession of the magnetization and spin waves with frequencies
up to 40 GHz are generated by injecting picosecond compressive and shear acoustic pulses …

Coherent Magnetization Precession in Ferromagnetic (Ga, Mn) As<? format?> Induced by Picosecond Acoustic Pulses

AV Scherbakov, AS Salasyuk, AV Akimov, X Liu… - Physical review …, 2010 - APS
We show that the magnetization of a thin ferromagnetic (Ga, Mn) As layer can be modulated
by picosecond acoustic pulses. In this approach a picosecond strain pulse injected into the …

Resonant magneto-acoustic switching: influence of Rayleigh wave frequency and wavevector

P Kuszewski, IS Camara, N Biarrotte… - Journal of Physics …, 2018 - iopscience.iop.org
We show on in-plane magnetized thin films that magnetization can be switched efficiently by
180 degrees using large amplitude Rayleigh waves travelling along the hard or easy …

Ultrafast changes of magnetic anisotropy driven by laser-generated coherent and noncoherent phonons in metallic films

VN Kats, TL Linnik, AS Salasyuk, AW Rushforth… - Physical Review B, 2016 - APS
Ultrafast optical excitation of a metal ferromagnetic film results in a modification of the
magnetocrystalline anisotropy and induces the magnetization precession. We consider two …

Phononic switching of magnetization by the ultrafast Barnett effect

CS Davies, FGN Fennema, A Tsukamoto, I Razdolski… - Nature, 2024 - nature.com
The historic Barnett effect describes how an inertial body with otherwise zero net magnetic
moment acquires spontaneous magnetization when mechanically spinning,. Breakthrough …

[HTML][HTML] Controlling the spins angular momentum in ferromagnets with sequences of picosecond acoustic pulses

JW Kim, M Vomir, JY Bigot - Scientific reports, 2015 - nature.com
Controlling the angular momentum of spins with very short external perturbations is a key
issue in modern magnetism. For example it allows manipulating the magnetization for …

Ultrafast magnetoacoustics in nickel films

JW Kim, M Vomir, JY Bigot - Physical review letters, 2012 - APS
We report about the magnetization dynamics of a ferromagnetic nickel film at room
temperature excited by acoustic pulses generated with femtosecond laser pulses. The …