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Semiconductors

, Volume 52, Issue 14, pp 1857–1860 | Cite as

Transverse Magneto-Optical Kerr Effect in Magnetite Covered by Array of Gold Nanostripes

  • S. A. DyakovEmail author
  • F. Spitzer
  • I. Akimov
  • D. A. Yavsin
  • S. I. Pavlov
  • S. Y. Verbin
  • S. G. Tikhodeev
  • N. A. Gippius
  • A. B. Pevtsov
  • M. Bayer
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Abstract

We study theoretically and experimentally a magneto-optical Kerr effect (TMOKE) in magnetite film covered by sub-wavelength grating consisting of gold nanostripes. Our rigorous coupled wave analysis (RCWA) simulations of optical reflection and transmission coefficients of the structure under study predict a multiple enhancement of TMOKE response in transmission as compared with a plain magnetite film without gold nanostripes. We demonstrate that due to the high absorption losses in magnetite film, the quality factors of the optical resonances in our sample are low which results in wide areas on the dispersion diagram where the TMOKE can be observed.

Notes

ACKNOWLEDGMENTS

Authors thank the RFBR (project no. 15-52-12011) and the Deutsche Forschungsgemeinschaft (DFG) within the framework of the International Collaborative Research Centre (ICRC) TRR 160.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • S. A. Dyakov
    • 1
    Email author
  • F. Spitzer
    • 2
  • I. Akimov
    • 2
    • 3
  • D. A. Yavsin
    • 3
  • S. I. Pavlov
    • 3
  • S. Y. Verbin
    • 4
  • S. G. Tikhodeev
    • 5
  • N. A. Gippius
    • 1
  • A. B. Pevtsov
    • 3
  • M. Bayer
    • 2
    • 3
  1. 1.Skolkovo Institute of Science and TechnologyMoscowRussia
  2. 2.Experimentelle Physik 2, Technische Universitat DortmundDortmundGermany
  3. 3.Ioffe InstituteSt. PetersburgRussia
  4. 4.Spin Optics Laboratory, St. Petersburg State UniversitySt. PetersburgRussia
  5. 5.Moscow State UniversityMoscowRussia

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