The influence of the localized surface plasmon resonance on the magneto-optical Kerr effect (MOKE) was investigated in Ni80Fe20 thin films coated with gold nanorods. The nanorods are dimensionally tuned to support localized surface plasmon resonance near the incident laser frequency. A significant enhancement of magneto-optical response is observed, in which the MOKE signal is increased by over 40% compared to the reference Ni80Fe20 films. The spectral dependence of MOKE signals exhibits the maximum magneto-optical response centered around the longitudinal surface plasmon resonance wavelength of gold nanorods. Finite-difference time-domain modeling confirms that the excitation of the localized surface plasmons leads to the enhancement of magneto-optical responses.
Skip Nav Destination
Article navigation
8 January 2018
Research Article|
January 08 2018
Localized surface plasmon resonance enhanced magneto-optical Kerr effect in Ni80Fe20 thin films coated with Au nanorods
B. C. Choi;
B. C. Choi
a)
1
Department of Physics and Astronomy, University of Victoria
, Victoria V8P 5C2, Canada
Search for other works by this author on:
H. Xu
;
H. Xu
1
Department of Physics and Astronomy, University of Victoria
, Victoria V8P 5C2, Canada
Search for other works by this author on:
G. Hajisalem;
G. Hajisalem
2
Department of Electrical and Computer Engineering, University of Victoria
, Victoria V8P 5C2, Canada
Search for other works by this author on:
R. Gordon
R. Gordon
2
Department of Electrical and Computer Engineering, University of Victoria
, Victoria V8P 5C2, Canada
Search for other works by this author on:
a)
Author to whom correspondence should be addressed: bchoi@uvic.ca
Appl. Phys. Lett. 112, 022403 (2018)
Article history
Received:
November 03 2017
Accepted:
December 22 2017
Citation
B. C. Choi, H. Xu, G. Hajisalem, R. Gordon; Localized surface plasmon resonance enhanced magneto-optical Kerr effect in Ni80Fe20 thin films coated with Au nanorods. Appl. Phys. Lett. 8 January 2018; 112 (2): 022403. https://doi.org/10.1063/1.5011980
Download citation file:
Sign in
Don't already have an account? Register
Sign In
You could not be signed in. Please check your credentials and make sure you have an active account and try again.
Pay-Per-View Access
$40.00
Citing articles via
Topological and chiral matter—Physics and applications
Maia G. Vergniory, Takeshi Kondo, et al.
Roadmap on photonic metasurfaces
Sebastian A. Schulz, Rupert. F. Oulton, et al.
Feedback cooling of an insulating high-Q diamagnetically levitated plate
S. Tian, K. Jadeja, et al.
Related Content
Terahertz excitation of spin dynamics in ferromagnetic thin films incorporated in metallic spintronic-THz-emitter
Appl. Phys. Lett. (March 2020)
Dynamic behavior of Ni80Fe20 nanowires with controlled periodic width modulation
Appl. Phys. Lett. (June 2016)
Magnetization dynamics and reversal mechanism of Fe filled Ni80Fe20 antidot nanostructures
Appl. Phys. Lett. (June 2012)
Effect of the spin-twist structure on the spin-wave dynamics in Fe55Pt45/Ni80Fe20 exchange coupled bi-layers with varying Ni80Fe20 thickness
J. Appl. Phys. (January 2014)
Control of ferromagnetic properties of Ni80Fe20 thin films by voltage-induced oxidation
J. Appl. Phys. (August 2018)