Manipulation of Faraday rotation in Bi-substituted yttrium-iron garnet film using electromagnetic interaction between Au nanoparticles in two-dimensional array

Shinsuke Ozaki; Hiroaki Kura; Hideyuki Maki; Tetsuya Sato

doi:10.1063/1.3273402

Manipulation of Faraday rotation in Bi-substituted yttrium-iron garnet film using electromagnetic interaction between Au nanoparticles in two-dimensional array

Shinsuke Ozaki, Hiroaki Kura, Hideyuki Maki, Tetsuya Sato

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The Faraday rotation in Bi-substituted yttrium-iron garnet thin films, in which an artificially fabricated Au nanoparticle array is embedded, is studied as a function of lattice spacing compared with the extinction spectra. With decreasing lattice spacing in the Au array, the wavelengths corresponding to the enhanced Faraday rotation and the extinction peak showed blueshifts in the same manner. This indicates that Faraday rotation can be manipulated by means of the wavelength shift of localized surface plasmon resonance that originates from the change in electromagnetic interaction between Au nanoparticles.

Original language	English
Article number	123530
Journal	Journal of Applied Physics
Volume	106
Issue number	12
DOIs	https://doi.org/10.1063/1.3273402
Publication status	Published - 2009

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Manipulation of Faraday rotation in Bi-substituted yttrium-iron garnet film using electromagnetic interaction between Au nanoparticles in two-dimensional array",

abstract = "The Faraday rotation in Bi-substituted yttrium-iron garnet thin films, in which an artificially fabricated Au nanoparticle array is embedded, is studied as a function of lattice spacing compared with the extinction spectra. With decreasing lattice spacing in the Au array, the wavelengths corresponding to the enhanced Faraday rotation and the extinction peak showed blueshifts in the same manner. This indicates that Faraday rotation can be manipulated by means of the wavelength shift of localized surface plasmon resonance that originates from the change in electromagnetic interaction between Au nanoparticles.",

author = "Shinsuke Ozaki and Hiroaki Kura and Hideyuki Maki and Tetsuya Sato",

note = "Funding Information: The authors thank K. Sato of Tokyo University of Agriculture and Technology for his continuous advice on the measurement of magneto-optical effects. The present work was supported by a Grant-in-Aid for Scientific Research under Grant No. 19310077, from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.",

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AU - Maki, Hideyuki

AU - Sato, Tetsuya

N1 - Funding Information: The authors thank K. Sato of Tokyo University of Agriculture and Technology for his continuous advice on the measurement of magneto-optical effects. The present work was supported by a Grant-in-Aid for Scientific Research under Grant No. 19310077, from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.

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AB - The Faraday rotation in Bi-substituted yttrium-iron garnet thin films, in which an artificially fabricated Au nanoparticle array is embedded, is studied as a function of lattice spacing compared with the extinction spectra. With decreasing lattice spacing in the Au array, the wavelengths corresponding to the enhanced Faraday rotation and the extinction peak showed blueshifts in the same manner. This indicates that Faraday rotation can be manipulated by means of the wavelength shift of localized surface plasmon resonance that originates from the change in electromagnetic interaction between Au nanoparticles.

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Manipulation of Faraday rotation in Bi-substituted yttrium-iron garnet film using electromagnetic interaction between Au nanoparticles in two-dimensional array

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