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Magneto-electric response of iron garnet film micromagnetic structure on combined action of AC and DC electric field

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Abstract

Changes in the domain structure of epitaxial ferrite-garnet films under joint action of DC and AC electric fields and DC magnetic field were investigated by the optical polarimetry method. The effect of broadening of the domain wall image was found under specified combined influences. The investigations revealed that visual manifestation of the effect strongly depends on the curvature of the domain walls and the orientation of the magnetic field relative to the sample plane. Analyzing our results, we note that reaction of the domain structure to influence of external electric fields was caused by changing the magnetic anisotropy parameters of ferrite garnets in an electric field.

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Authors and Affiliations

  1. Department of Radio Physics, Electronics and Computer Systems, Taras Shevchenko Kiev National University, 4-g, Prospekt Glushkova Street, 03127, Kiev, Ukraine

    Vadim Koronovskyy & Yuri Vakyla

Authors
  1. Vadim Koronovskyy
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  2. Yuri Vakyla
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Correspondence to Vadim Koronovskyy.

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Koronovskyy, V., Vakyla, Y. Magneto-electric response of iron garnet film micromagnetic structure on combined action of AC and DC electric field. Electron. Mater. Lett. 11, 1028–1032 (2015). https://doi.org/10.1007/s13391-015-5031-z

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  • DOI: https://doi.org/10.1007/s13391-015-5031-z

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