А. V. Telegin, Yu. P. Sukhorukov

MAGNETOTRANSMISSION EFFECT IN MAGNETOSTRICTIVE CoFe2O4 FOR THE CASE OF THE VOIGT GEOMETRY

Infrared absorption spectra are obtained for a ferrimagnetic single crystal of ferrite CoFe2O4. It is shown that an external magnetic field applied in the Voigt geometry leads to a noticeable change in the transparency of the single crystal possessing high magnetostriction – the magnetotransmission effect (up to 10% in a 2 kOe field). The direct correlation between magnetotransmission and magnetostriction in the ferrite was established at room temperature. The anisotropy of the magnetotransmission of natural infrared radiation in CoFe2O4 is studied for the first time.

Acknowledgments: The work was performed within the state assignment from FASO Russia (Spin, No. АААА-А18-118020290104-2, with a partial support from UB RAS (grant No. 18-10-2-3) and the RF Min-istry of Education (grant No. 14.Z50.31.0025).

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