New concept for magnetization switching by ultrafast acoustic pulses
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 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 …
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 …
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 …
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 …
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 …
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 …
magnetocrystalline anisotropy and induces the magnetization precession. We consider two …
Phononic switching of magnetization by the ultrafast Barnett effect
The historic Barnett effect describes how an inertial body with otherwise zero net magnetic
moment acquires spontaneous magnetization when mechanically spinning,. Breakthrough …
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 …
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 …
temperature excited by acoustic pulses generated with femtosecond laser pulses. The …