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Generation of a localised microwave magnetic field by coherent phonons in a ferromagnetic grating

Salasyuk, A.S.; Rudkovskaya, A.V.; Danilov, A.P.; Glavin, B.A.; Kukhtaruk, S.M.; Wang, M.; Rushforth, A.W.; Nekludova, P.A.; Sokolov, S.V.; Elistratov, A.A.; Yakovlev, D.R.; Bayer, M.; Akimov, Andrey V.; Scherbakov, A.V.

Authors

A.S. Salasyuk

A.V. Rudkovskaya

A.P. Danilov

B.A. Glavin

S.M. Kukhtaruk

M. Wang

P.A. Nekludova

S.V. Sokolov

A.A. Elistratov

D.R. Yakovlev

M. Bayer

A.V. Scherbakov



Abstract

A high-amplitude microwave magnetic field localized at the nanoscale is a desirable tool for various applications within the rapidly developing field of nanomagnetism. Here, we drive magnetization precession by coherent phonons in a metal ferromagnetic nanograting and generate ac-magnetic induction with extremely high amplitude (up to 10 mT) and nanometer scale localization in the grating grooves. We trigger the magnetization by a laser pulse which excites localized surface acoustic waves. The developed technique has prospective uses in several areas of research and technology, including spatially resolved access to spin states for quantum technologies.

Citation

Salasyuk, A., Rudkovskaya, A., Danilov, A., Glavin, B., Kukhtaruk, S., Wang, M., …Scherbakov, A. (2018). Generation of a localised microwave magnetic field by coherent phonons in a ferromagnetic grating. Physical Review B, 97(6), Article 060404. https://doi.org/10.1103/PhysRevB.97.060404

Journal Article Type Article
Acceptance Date Jan 29, 2018
Online Publication Date Feb 12, 2018
Publication Date Feb 1, 2018
Deposit Date Feb 1, 2018
Publicly Available Date Feb 1, 2018
Journal Physical Review B
Print ISSN 2469-9950
Electronic ISSN 2469-9969
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 97
Issue 6
Article Number 060404
DOI https://doi.org/10.1103/PhysRevB.97.060404
Public URL https://nottingham-repository.worktribe.com/output/909457
Publisher URL https://journals.aps.org/prb/abstract/10.1103/PhysRevB.97.060404

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