TY - JOUR
T1 - Influence of the Plasmonic Nanodisk Positions Inside a Magnetic Medium on the Faraday Effect Enhancement
AU - Kuzmichev, Alexey N.
AU - Sylgacheva, Daria A.
AU - Kozhaev, Mikhail A.
AU - Krichevsky, Denis M.
AU - Shaposhnikov, Alexander N.
AU - Berzhansky, Vladimir N.
AU - Freire-Fernández, Francisco
AU - Qin, Huajun J.
AU - Popova, Olena E.
AU - Keller, Niels
AU - Van Dijken, Sebastiaan
AU - Chernov, Alexander I.
AU - Belotelov, Vladimir I.
PY - 2020/4
Y1 - 2020/4
N2 - Light localization by metal particles of nanometer size allows to not only control the propagation of light, but also enhance magneto-optical effects. The influence of the immersion of gold nanodisks inside a transparent magnetic medium, namely, Bi-substituted iron garnet, is investigated, and the optimal position of the nanoparticles within the magnetic material for a strong enhancement of the effect is unraveled. Three samples with periodic arrays of Au cylinders are studied: disks on the surface of the magnetic dielectric film, inside the magnetic film, and directly under the magnetic film. The largest enhancement of the Faraday effect mediated by a localized surface plasmon resonance takes place when nanodisks are submerged inside the magnetic film at a few nanometers below its upper surface. It is shown that the most prominent influence on the Faraday effect enhancement is provided by the magnetic medium between the nanodisks. The experimental results are in good agreement with the numerical analysis.
AB - Light localization by metal particles of nanometer size allows to not only control the propagation of light, but also enhance magneto-optical effects. The influence of the immersion of gold nanodisks inside a transparent magnetic medium, namely, Bi-substituted iron garnet, is investigated, and the optimal position of the nanoparticles within the magnetic material for a strong enhancement of the effect is unraveled. Three samples with periodic arrays of Au cylinders are studied: disks on the surface of the magnetic dielectric film, inside the magnetic film, and directly under the magnetic film. The largest enhancement of the Faraday effect mediated by a localized surface plasmon resonance takes place when nanodisks are submerged inside the magnetic film at a few nanometers below its upper surface. It is shown that the most prominent influence on the Faraday effect enhancement is provided by the magnetic medium between the nanodisks. The experimental results are in good agreement with the numerical analysis.
KW - Faraday effect
KW - iron garnets
KW - magneto-optical effects
KW - plasmonics
UR - http://www.scopus.com/inward/record.url?scp=85078956168&partnerID=8YFLogxK
U2 - 10.1002/pssr.201900682
DO - 10.1002/pssr.201900682
M3 - Article
AN - SCOPUS:85078956168
VL - 14
JO - PHYSICA STATUS SOLIDI: RAPID RESEARCH LETTERS
JF - PHYSICA STATUS SOLIDI: RAPID RESEARCH LETTERS
SN - 1862-6254
IS - 4
M1 - 1900682
ER -