Magneto-Optical Behavior of Implanted Ferrite-Garnet Thin Films in the Transparency Range

Authors

  • L. Kalandadze Department of Physics, Batumi Shota Rustaveli State University
  • O. Nakashidze Department of Physics, Batumi Shota Rustaveli State University
  • N. Gomidze Department of Physics, Batumi Shota Rustaveli State University
  • M. Khajishvili Department of Physics, Batumi Shota Rustaveli State University
  • I. Jabnidze Department of Physics, Batumi Shota Rustaveli State University
  • K. Makharadze Department of Physics, Batumi Shota Rustaveli State University

DOI:

https://doi.org/10.15407/ujpe71.2.188

Keywords:

ferrite-garnet thin films, soft magnetic materials, ion implantation, magneto-optical materials, magneto-optical effects

Abstract

Ferrite-garnet thin films exhibit peculiar magneto-optical properties, which make them highly relevant for both fundamental research and advanced technological applications in optics, magnetism, electronics, spintronics, and photonics. From this perspective, particular practical importance is attributed to the magneto-optical properties of ion-implanted ferrite-garnet films, as ion implantation can reduce or modify local magnetization, coercivity, and anisotropy, as well as weaken cylindrical magnetic domains, thereby enhancing the control and utilization of their parameters. In the present paper, we investigate the magneto-optical Kerr effect in the range of incident light quantum energy of 0.5–4.5 eV before and after ion-implantation of ferritegarnet films for different compositions (YBiCaSmLu)3(FeGeSi)5O12, (YBiCa)3(FeGe)5O12, and (YBiCaSm)3(FeGeSi)5O12. It has been established that ferrite-granite thin films exhibit interesting magneto-optical properties in the range of incident light quantum energy of 0.5–2.2 eV. In particular, under certain experimental conditions, magneto-optical activity is observed when the plane of polarization of the incident light deviates from the P-component. To clarify the nature of this effect, the polar Kerr effect and magnetization processes in the energy range of incident light quanta of 0.5–2.2 eV, which is the transparency region of ferrite-garnet, were studied. The obtained results confirm that in this region, magneto-optical activity is characteristic of all three compositions of ferrite-garnet, and implantation has virtually no effect on their magneto-optical properties.

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Published

2026-02-18

Issue

Vol. 71 No. 2 (2026)

Section

Physics of magnetic phenomena and physics of ferroics

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How to Cite

Magneto-Optical Behavior of Implanted Ferrite-Garnet Thin Films in the Transparency Range. (2026). Ukrainian Journal of Physics, 71(2), 188. https://doi.org/10.15407/ujpe71.2.188

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