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Tuning the Magneto-Optical Response of Nanosize Ferromagnetic Ni Disks Using the Phase of Localized Plasmons
MACCAFERRI, Nicolò; Berger, Andreas; Bonetti, Stefano et al.
2013In Physical Review Letters, 111 (16), p. 167401
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Abstract :
[en] We explore the influence of the phase of localized plasmon resonances on the magneto-optical activity of nanoferromagnets. We demonstrate that these systems can be described as two orthogonal damped oscillators coupled by the spin-orbit interaction. We prove that only the spin-orbit induced transverse plasmon plays an active role on the magneto-optical properties by controlling the relative amplitude and phase lag between the two oscillators. Our theoretical predictions are fully confirmed by magneto-optical Kerr effect and optical extinction measurements in nanostructures of different size and shape.
Disciplines :
Physics
Author, co-author :
MACCAFERRI, Nicolò ;  CIC nanoGUNE
Berger, Andreas
Bonetti, Stefano
Bonanni, Valentina
Kataja, Mikko
Qin, Qi Hang
van Dijken, Sebastiaan
Pirzadeh, Zhaleh
Dmitriev, Alexandre
Nogues, Josep
Akerman, Johan
Vavassori, Paolo
External co-authors :
yes
Language :
English
Title :
Tuning the Magneto-Optical Response of Nanosize Ferromagnetic Ni Disks Using the Phase of Localized Plasmons
Publication date :
2013
Journal title :
Physical Review Letters
ISSN :
0031-9007
eISSN :
1079-7114
Publisher :
American Physical Society, New York, United States - New York
Volume :
111
Issue :
16
Pages :
167401
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBilu :
since 22 February 2019

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