Magneto-optical kerr effects of yttrium-iron garnet thin films incorporating gold nanoparticles

Satoshi Tomita, Takeshi Kato, Shigeru Tsunashima, Satoshi Iwata, Minoru Fujii, Shinji Hayashi

研究成果: Article

96 引用 (Scopus)

抜粋

We report an experimental study on magneto-optical (MO) Kerr effects of yttrium-iron garnet (YIG) thin films incorporating Au nanoparticles. The polar MO Kerr spectra in the wavelength between 400 and 800nm show that, by incorporating the Au nanoparticles, Kerr rotation angles become negative values in the region, where the localized surface plasmon polariton (SPP) resonance of the Au nanoparticles is located. The anomalous Kerr rotation indicates a possible coupling between the MO Kerr effect of YIG and the SPP. A mechanism for the coupling is discussed.

元の言語English
記事番号167402
ジャーナルPhysical Review Letters
96
発行部数16
DOI
出版物ステータスPublished - 2006 5 11
外部発表Yes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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