Anisotropy study of garnet films grown over substrates populated with gold nanoparticles

Plasmon resonance induced Faraday rotation enhancement in liquid phase epitaxy grown garnet films with gold nanoparticles on their surfaces is discussed. Experimental results are presented, which reveal stronger Faraday rotation enhancement for gold nanoparticles obtained by the annealing of thicker gold films evaporated on garnet film surfaces. This stronger Faraday rotation enhancement can be attributed to larger dimensions and separations of gold nanoparticles, which increase the extent of penetration of plasmon resonance induced electric fields into garnet films.

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Deposition of gold nanoparticles on liquid phase epitaxy grown garnet films and Faraday rotation enhancement

Lang

Bowen

Krafft

et al. 2013

Journal of Applied Physics

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Plasmon resonance enhancement of Faraday rotation of liquid phase epitaxy grown garnet films populated with gold nanoparticles on the film surfaces

Lang¹,

Bowen²,

Krafft³

et al. 2014

Journal of Applied Physics

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Enhancement of the Faraday rotation of rare-earth iron garnet thin films offers the promise for development of compact and higher performance polarization dependent optical devices. Faraday rotation enhancement has been achieved utilizing strong localized electric fields induced by the excitation of plasmon resonances in gold nanoparticles deposited on garnet films. This paper presents experimental results that reveal strong Faraday rotation enhancement in bismuth-doped garnet films with gold nanoparticles of various dimensions and separations deposited on the epitaxial films. Stronger enhancements can be obtained by increasing the height and relative spacing between the nanoparticles formed on the garnet film surfaces.

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Anisotropy study of garnet films grown over substrates populated with gold nanoparticles

Cited by 2 publications

References 8 publications

Deposition of gold nanoparticles on liquid phase epitaxy grown garnet films and Faraday rotation enhancement

Deposition of gold nanoparticles on liquid phase epitaxy grown garnet films and Faraday rotation enhancement

Plasmon resonance enhancement of Faraday rotation of liquid phase epitaxy grown garnet films populated with gold nanoparticles on the film surfaces

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