High magneto-optical activity and low optical losses in metal-dielectric Au/Co/Au-SiO(2) magnetoplasmonic nanodisks.
Metal-dielectric Au-Co-SiO(2)  magnetoplasmonic nanodisks are found to exhibit large magneto-optical activity and low optical losses. The internal architecture of the nanodisks is such that, in resonant conditions, the electromagnetic field undertakes a particular spatial distribution. This makes it possible to maximize the electromagnetic field at the magneto-optically active layers and minimize it in the other, optically lossy ones.
Instituto de Microelectrónica de Madrid, Isaac Newton 8, Madrid, Spain.
Juan Carlos
JC
Banthí
David
D
Meneses-Rodríguez
Fernando
F
García
María Ujué
MU
González
Antonio
A
García-Martín
Alfonso
A
Cebollada
Gaspar
G
Armelles
D003035:Cobalt / Q000737:chemistry*; D017097:Electric Impedance; D004574:Electromagnetic Fields; D006046:Gold / Q000737:chemistry*; D060328:Magnetic Phenomena; D049329:Nanostructures / Q000737:chemistry*; D055620:Optical Phenomena; D012822:Silicon Dioxide / Q000737:chemistry*
D003035:Cobalt; D006046:Gold; D012822:Silicon Dioxide