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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2021 Volume 47, Issue 1, Pages 31–34 (Mi pjtf4897)

Specific features of electron diffraction analysis of barium hexaferrite films on $c$-sapphire

A. È. Muslimova, M. G. Ismailovb, V. M. Kanevskiia

a FSRC "Crystallography and Photonics" RAS
b Daghestan State University, Makhachkala

Abstract: The processes of formation of (0001)BaFe$_{12}$O$_{19}$ films on sapphire with the ferromagnetic easy axis directed along the normal to the substrate have been investigated. Propagation of a high-energy electron beam upon interaction with a (0001)BaFe$_{12}$O$_{19}$ film has been studied depending on the angle of incidence of the beam. Deviation of the grazing electron beam by the magnetic field of the (0001)BaFe$_{12}$O$_{19}$ film is demonstrated. It is shown that the presence of the (0001)BaFe$_{12}$O$_{19}$ film on sapphire induces redistribution of cathodoluminescence in it with a dominant red shift. No film-induced radiation has been observed in the experiment.

Keywords: barium hexaferrite, sapphire, electrons, luminescence.

Received: 14.07.2020
Revised: 21.09.2020
Accepted: 22.09.2020

DOI: 10.21883/PJTF.2021.01.50455.18465


 English version:
Technical Physics Letters, 2021, 47:1, 27–30

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