| Issue |
EPJ Web Conf.
Volume 185, 2018
Moscow International Symposium on Magnetism (MISM 2017)
|
|
|---|---|---|
| Article Number | 03013 | |
| Number of page(s) | 4 | |
| Section | Magnetic Nanostructures and Low Dimensional Magnetism | |
| DOI | https://doi.org/10.1051/epjconf/201818503013 | |
| Published online | 04 July 2018 | |
https://doi.org/10.1051/epjconf/201818503013
Magneto-Optical Response Amplification In Multi-Layer Nanocomposite-Semiconductor Structures
1
Moscow State University, Faculty of Physics, Moscow, 119991, Russia
2
Voronezh State Technical University, Voronezh, 394026, Russia
●
Corresponding author : v.e.buravtsova@gmail.com
Published online: 4 July 2018
The spectral and field dependences of the Transversal Kerr Effect (TKE) for (Co40Fe40B20)Z(SiO2)100-Z/Si (or С) multilayer (ML) nanocomposite-semiconductor structures were studied depending on the concentration of the nanocomposite layer ferromagnetic phase (Z), chemical of semiconductor layer and its thickness. It was found that under certain conditions an addition of thin nonmagnetic semiconductor layer leads to the increase of a multilayer magneto-optical (MO) response and softening of the magnetic properties of ML structure, up to the appearance of ferromagnetic (FM) ordering. The observed anomalous changes in magnetic and MO properties are well correlated with abrupt changes in the electric properties of ML structures. Decreasing of ferromagnetic phase concentration Z in the nanocomposite layer as well as increasing of the semiconductor layer thickness led to the disappearance of anomalous behavior in the MO properties. The results obtained are discussed taking into account the formation of a new magnetic phase on the FM granule-semiconductor interface.
© The Authors, published by EDP Sciences, 2018
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